4296 lines
		
	
	
		
			152 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			4296 lines
		
	
	
		
			152 KiB
		
	
	
	
		
			C++
		
	
	
	
// -*- C++ -*-
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//===--------------------------- string -----------------------------------===//
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//
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//                     The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP_STRING
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#define _LIBCPP_STRING
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/*
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    string synopsis
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namespace std
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{
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template <class stateT>
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class fpos
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{
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private:
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    stateT st;
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public:
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    fpos(streamoff = streamoff());
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    operator streamoff() const;
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    stateT state() const;
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    void state(stateT);
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    fpos& operator+=(streamoff);
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    fpos  operator+ (streamoff) const;
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    fpos& operator-=(streamoff);
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    fpos  operator- (streamoff) const;
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};
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template <class stateT> streamoff operator-(const fpos<stateT>& x, const fpos<stateT>& y);
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template <class stateT> bool operator==(const fpos<stateT>& x, const fpos<stateT>& y);
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template <class stateT> bool operator!=(const fpos<stateT>& x, const fpos<stateT>& y);
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template <class charT>
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struct char_traits
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{
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    typedef charT     char_type;
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    typedef ...       int_type;
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    typedef streamoff off_type;
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    typedef streampos pos_type;
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    typedef mbstate_t state_type;
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    static void assign(char_type& c1, const char_type& c2) noexcept;
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    static constexpr bool eq(char_type c1, char_type c2) noexcept;
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    static constexpr bool lt(char_type c1, char_type c2) noexcept;
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    static int              compare(const char_type* s1, const char_type* s2, size_t n);
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    static size_t           length(const char_type* s);
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    static const char_type* find(const char_type* s, size_t n, const char_type& a);
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    static char_type*       move(char_type* s1, const char_type* s2, size_t n);
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    static char_type*       copy(char_type* s1, const char_type* s2, size_t n);
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    static char_type*       assign(char_type* s, size_t n, char_type a);
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    static constexpr int_type  not_eof(int_type c) noexcept;
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    static constexpr char_type to_char_type(int_type c) noexcept;
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    static constexpr int_type  to_int_type(char_type c) noexcept;
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    static constexpr bool      eq_int_type(int_type c1, int_type c2) noexcept;
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    static constexpr int_type  eof() noexcept;
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};
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template <> struct char_traits<char>;
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template <> struct char_traits<wchar_t>;
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template<class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
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class basic_string
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{
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public:
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// types:
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    typedef traits traits_type;
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    typedef typename traits_type::char_type value_type;
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    typedef Allocator allocator_type;
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    typedef typename allocator_type::size_type size_type;
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    typedef typename allocator_type::difference_type difference_type;
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    typedef typename allocator_type::reference reference;
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    typedef typename allocator_type::const_reference const_reference;
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    typedef typename allocator_type::pointer pointer;
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    typedef typename allocator_type::const_pointer const_pointer;
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    typedef implementation-defined iterator;
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    typedef implementation-defined const_iterator;
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    typedef std::reverse_iterator<iterator> reverse_iterator;
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    typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
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    static const size_type npos = -1;
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    basic_string()
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        noexcept(is_nothrow_default_constructible<allocator_type>::value);
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    explicit basic_string(const allocator_type& a);
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    basic_string(const basic_string& str);
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    basic_string(basic_string&& str)
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        noexcept(is_nothrow_move_constructible<allocator_type>::value);
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    basic_string(const basic_string& str, size_type pos, size_type n = npos,
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                 const allocator_type& a = allocator_type());
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    basic_string(const value_type* s, const allocator_type& a = allocator_type());
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    basic_string(const value_type* s, size_type n, const allocator_type& a = allocator_type());
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    basic_string(size_type n, value_type c, const allocator_type& a = allocator_type());
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    template<class InputIterator>
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        basic_string(InputIterator begin, InputIterator end,
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                     const allocator_type& a = allocator_type());
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    basic_string(initializer_list<value_type>, const Allocator& = Allocator());
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    basic_string(const basic_string&, const Allocator&);
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    basic_string(basic_string&&, const Allocator&);
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    ~basic_string();
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    basic_string& operator=(const basic_string& str);
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    basic_string& operator=(basic_string&& str)
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        noexcept(
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             allocator_type::propagate_on_container_move_assignment::value ||
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             allocator_type::is_always_equal::value ); // C++17
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    basic_string& operator=(const value_type* s);
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    basic_string& operator=(value_type c);
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    basic_string& operator=(initializer_list<value_type>);
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    iterator       begin() noexcept;
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    const_iterator begin() const noexcept;
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    iterator       end() noexcept;
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    const_iterator end() const noexcept;
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    reverse_iterator       rbegin() noexcept;
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    const_reverse_iterator rbegin() const noexcept;
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    reverse_iterator       rend() noexcept;
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    const_reverse_iterator rend() const noexcept;
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    const_iterator         cbegin() const noexcept;
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    const_iterator         cend() const noexcept;
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    const_reverse_iterator crbegin() const noexcept;
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    const_reverse_iterator crend() const noexcept;
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    size_type size() const noexcept;
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    size_type length() const noexcept;
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    size_type max_size() const noexcept;
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    size_type capacity() const noexcept;
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    void resize(size_type n, value_type c);
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    void resize(size_type n);
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    void reserve(size_type res_arg = 0);
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    void shrink_to_fit();
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    void clear() noexcept;
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    bool empty() const noexcept;
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    const_reference operator[](size_type pos) const;
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    reference       operator[](size_type pos);
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    const_reference at(size_type n) const;
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    reference       at(size_type n);
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    basic_string& operator+=(const basic_string& str);
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    basic_string& operator+=(const value_type* s);
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    basic_string& operator+=(value_type c);
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    basic_string& operator+=(initializer_list<value_type>);
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    basic_string& append(const basic_string& str);
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    basic_string& append(const basic_string& str, size_type pos, size_type n=npos); //C++14
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    basic_string& append(const value_type* s, size_type n);
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    basic_string& append(const value_type* s);
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    basic_string& append(size_type n, value_type c);
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    template<class InputIterator>
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        basic_string& append(InputIterator first, InputIterator last);
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    basic_string& append(initializer_list<value_type>);
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    void push_back(value_type c);
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    void pop_back();
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    reference       front();
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    const_reference front() const;
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    reference       back();
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    const_reference back() const;
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    basic_string& assign(const basic_string& str);
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    basic_string& assign(basic_string&& str);
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    basic_string& assign(const basic_string& str, size_type pos, size_type n=npos); // C++14
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    basic_string& assign(const value_type* s, size_type n);
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    basic_string& assign(const value_type* s);
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    basic_string& assign(size_type n, value_type c);
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    template<class InputIterator>
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        basic_string& assign(InputIterator first, InputIterator last);
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    basic_string& assign(initializer_list<value_type>);
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    basic_string& insert(size_type pos1, const basic_string& str);
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    basic_string& insert(size_type pos1, const basic_string& str,
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                         size_type pos2, size_type n);
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    basic_string& insert(size_type pos, const value_type* s, size_type n=npos); //C++14
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    basic_string& insert(size_type pos, const value_type* s);
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    basic_string& insert(size_type pos, size_type n, value_type c);
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    iterator      insert(const_iterator p, value_type c);
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    iterator      insert(const_iterator p, size_type n, value_type c);
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    template<class InputIterator>
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        iterator insert(const_iterator p, InputIterator first, InputIterator last);
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    iterator      insert(const_iterator p, initializer_list<value_type>);
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    basic_string& erase(size_type pos = 0, size_type n = npos);
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    iterator      erase(const_iterator position);
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    iterator      erase(const_iterator first, const_iterator last);
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    basic_string& replace(size_type pos1, size_type n1, const basic_string& str);
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    basic_string& replace(size_type pos1, size_type n1, const basic_string& str,
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                          size_type pos2, size_type n2=npos); // C++14
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    basic_string& replace(size_type pos, size_type n1, const value_type* s, size_type n2);
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    basic_string& replace(size_type pos, size_type n1, const value_type* s);
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    basic_string& replace(size_type pos, size_type n1, size_type n2, value_type c);
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    basic_string& replace(const_iterator i1, const_iterator i2, const basic_string& str);
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    basic_string& replace(const_iterator i1, const_iterator i2, const value_type* s, size_type n);
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    basic_string& replace(const_iterator i1, const_iterator i2, const value_type* s);
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    basic_string& replace(const_iterator i1, const_iterator i2, size_type n, value_type c);
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    template<class InputIterator>
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        basic_string& replace(const_iterator i1, const_iterator i2, InputIterator j1, InputIterator j2);
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    basic_string& replace(const_iterator i1, const_iterator i2, initializer_list<value_type>);
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    size_type copy(value_type* s, size_type n, size_type pos = 0) const;
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    basic_string substr(size_type pos = 0, size_type n = npos) const;
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    void swap(basic_string& str)
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        noexcept(allocator_traits<allocator_type>::propagate_on_container_swap::value ||
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                 allocator_traits<allocator_type>::is_always_equal::value);  // C++17
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    const value_type* c_str() const noexcept;
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    const value_type* data() const noexcept;
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    allocator_type get_allocator() const noexcept;
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    size_type find(const basic_string& str, size_type pos = 0) const noexcept;
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    size_type find(const value_type* s, size_type pos, size_type n) const noexcept;
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    size_type find(const value_type* s, size_type pos = 0) const noexcept;
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    size_type find(value_type c, size_type pos = 0) const noexcept;
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    size_type rfind(const basic_string& str, size_type pos = npos) const noexcept;
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    size_type rfind(const value_type* s, size_type pos, size_type n) const noexcept;
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    size_type rfind(const value_type* s, size_type pos = npos) const noexcept;
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    size_type rfind(value_type c, size_type pos = npos) const noexcept;
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    size_type find_first_of(const basic_string& str, size_type pos = 0) const noexcept;
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    size_type find_first_of(const value_type* s, size_type pos, size_type n) const noexcept;
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    size_type find_first_of(const value_type* s, size_type pos = 0) const noexcept;
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    size_type find_first_of(value_type c, size_type pos = 0) const noexcept;
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    size_type find_last_of(const basic_string& str, size_type pos = npos) const noexcept;
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    size_type find_last_of(const value_type* s, size_type pos, size_type n) const noexcept;
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    size_type find_last_of(const value_type* s, size_type pos = npos) const noexcept;
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    size_type find_last_of(value_type c, size_type pos = npos) const noexcept;
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    size_type find_first_not_of(const basic_string& str, size_type pos = 0) const noexcept;
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    size_type find_first_not_of(const value_type* s, size_type pos, size_type n) const noexcept;
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    size_type find_first_not_of(const value_type* s, size_type pos = 0) const noexcept;
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    size_type find_first_not_of(value_type c, size_type pos = 0) const noexcept;
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    size_type find_last_not_of(const basic_string& str, size_type pos = npos) const noexcept;
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    size_type find_last_not_of(const value_type* s, size_type pos, size_type n) const noexcept;
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    size_type find_last_not_of(const value_type* s, size_type pos = npos) const noexcept;
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    size_type find_last_not_of(value_type c, size_type pos = npos) const noexcept;
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    int compare(const basic_string& str) const noexcept;
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    int compare(size_type pos1, size_type n1, const basic_string& str) const;
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    int compare(size_type pos1, size_type n1, const basic_string& str,
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                size_type pos2, size_type n2=npos) const; // C++14
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    int compare(const value_type* s) const noexcept;
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    int compare(size_type pos1, size_type n1, const value_type* s) const;
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    int compare(size_type pos1, size_type n1, const value_type* s, size_type n2) const;
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    bool __invariants() const;
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};
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template<class charT, class traits, class Allocator>
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basic_string<charT, traits, Allocator>
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operator+(const basic_string<charT, traits, Allocator>& lhs,
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          const basic_string<charT, traits, Allocator>& rhs);
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template<class charT, class traits, class Allocator>
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basic_string<charT, traits, Allocator>
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operator+(const charT* lhs , const basic_string<charT,traits,Allocator>&rhs);
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template<class charT, class traits, class Allocator>
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basic_string<charT, traits, Allocator>
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operator+(charT lhs, const basic_string<charT,traits,Allocator>& rhs);
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template<class charT, class traits, class Allocator>
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basic_string<charT, traits, Allocator>
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operator+(const basic_string<charT, traits, Allocator>& lhs, const charT* rhs);
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template<class charT, class traits, class Allocator>
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basic_string<charT, traits, Allocator>
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operator+(const basic_string<charT, traits, Allocator>& lhs, charT rhs);
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template<class charT, class traits, class Allocator>
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bool operator==(const basic_string<charT, traits, Allocator>& lhs,
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                const basic_string<charT, traits, Allocator>& rhs) noexcept;
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 | 
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template<class charT, class traits, class Allocator>
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bool operator==(const charT* lhs, const basic_string<charT, traits, Allocator>& rhs) noexcept;
 | 
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 | 
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template<class charT, class traits, class Allocator>
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bool operator==(const basic_string<charT,traits,Allocator>& lhs, const charT* rhs) noexcept;
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 | 
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template<class charT, class traits, class Allocator>
 | 
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bool operator!=(const basic_string<charT,traits,Allocator>& lhs,
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                const basic_string<charT, traits, Allocator>& rhs) noexcept;
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 | 
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template<class charT, class traits, class Allocator>
 | 
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bool operator!=(const charT* lhs, const basic_string<charT, traits, Allocator>& rhs) noexcept;
 | 
						|
 | 
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template<class charT, class traits, class Allocator>
 | 
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bool operator!=(const basic_string<charT, traits, Allocator>& lhs, const charT* rhs) noexcept;
 | 
						|
 | 
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template<class charT, class traits, class Allocator>
 | 
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bool operator< (const basic_string<charT, traits, Allocator>& lhs,
 | 
						|
                const basic_string<charT, traits, Allocator>& rhs) noexcept;
 | 
						|
 | 
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template<class charT, class traits, class Allocator>
 | 
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bool operator< (const basic_string<charT, traits, Allocator>& lhs, const charT* rhs) noexcept;
 | 
						|
 | 
						|
template<class charT, class traits, class Allocator>
 | 
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bool operator< (const charT* lhs, const basic_string<charT, traits, Allocator>& rhs) noexcept;
 | 
						|
 | 
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template<class charT, class traits, class Allocator>
 | 
						|
bool operator> (const basic_string<charT, traits, Allocator>& lhs,
 | 
						|
                const basic_string<charT, traits, Allocator>& rhs) noexcept;
 | 
						|
 | 
						|
template<class charT, class traits, class Allocator>
 | 
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bool operator> (const basic_string<charT, traits, Allocator>& lhs, const charT* rhs) noexcept;
 | 
						|
 | 
						|
template<class charT, class traits, class Allocator>
 | 
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bool operator> (const charT* lhs, const basic_string<charT, traits, Allocator>& rhs) noexcept;
 | 
						|
 | 
						|
template<class charT, class traits, class Allocator>
 | 
						|
bool operator<=(const basic_string<charT, traits, Allocator>& lhs,
 | 
						|
                const basic_string<charT, traits, Allocator>& rhs) noexcept;
 | 
						|
 | 
						|
template<class charT, class traits, class Allocator>
 | 
						|
bool operator<=(const basic_string<charT, traits, Allocator>& lhs, const charT* rhs) noexcept;
 | 
						|
 | 
						|
template<class charT, class traits, class Allocator>
 | 
						|
bool operator<=(const charT* lhs, const basic_string<charT, traits, Allocator>& rhs) noexcept;
 | 
						|
 | 
						|
template<class charT, class traits, class Allocator>
 | 
						|
bool operator>=(const basic_string<charT, traits, Allocator>& lhs,
 | 
						|
                const basic_string<charT, traits, Allocator>& rhs) noexcept;
 | 
						|
 | 
						|
template<class charT, class traits, class Allocator>
 | 
						|
bool operator>=(const basic_string<charT, traits, Allocator>& lhs, const charT* rhs) noexcept;
 | 
						|
 | 
						|
template<class charT, class traits, class Allocator>
 | 
						|
bool operator>=(const charT* lhs, const basic_string<charT, traits, Allocator>& rhs) noexcept;
 | 
						|
 | 
						|
template<class charT, class traits, class Allocator>
 | 
						|
void swap(basic_string<charT, traits, Allocator>& lhs,
 | 
						|
          basic_string<charT, traits, Allocator>& rhs)
 | 
						|
            noexcept(noexcept(lhs.swap(rhs)));
 | 
						|
 | 
						|
template<class charT, class traits, class Allocator>
 | 
						|
basic_istream<charT, traits>&
 | 
						|
operator>>(basic_istream<charT, traits>& is, basic_string<charT, traits, Allocator>& str);
 | 
						|
 | 
						|
template<class charT, class traits, class Allocator>
 | 
						|
basic_ostream<charT, traits>&
 | 
						|
operator<<(basic_ostream<charT, traits>& os, const basic_string<charT, traits, Allocator>& str);
 | 
						|
 | 
						|
template<class charT, class traits, class Allocator>
 | 
						|
basic_istream<charT, traits>&
 | 
						|
getline(basic_istream<charT, traits>& is, basic_string<charT, traits, Allocator>& str,
 | 
						|
        charT delim);
 | 
						|
 | 
						|
template<class charT, class traits, class Allocator>
 | 
						|
basic_istream<charT, traits>&
 | 
						|
getline(basic_istream<charT, traits>& is, basic_string<charT, traits, Allocator>& str);
 | 
						|
 | 
						|
typedef basic_string<char>    string;
 | 
						|
typedef basic_string<wchar_t> wstring;
 | 
						|
typedef basic_string<char16_t> u16string;
 | 
						|
typedef basic_string<char32_t> u32string;
 | 
						|
 | 
						|
int                stoi  (const string& str, size_t* idx = 0, int base = 10);
 | 
						|
long               stol  (const string& str, size_t* idx = 0, int base = 10);
 | 
						|
unsigned long      stoul (const string& str, size_t* idx = 0, int base = 10);
 | 
						|
long long          stoll (const string& str, size_t* idx = 0, int base = 10);
 | 
						|
unsigned long long stoull(const string& str, size_t* idx = 0, int base = 10);
 | 
						|
 | 
						|
float       stof (const string& str, size_t* idx = 0);
 | 
						|
double      stod (const string& str, size_t* idx = 0);
 | 
						|
long double stold(const string& str, size_t* idx = 0);
 | 
						|
 | 
						|
string to_string(int val);
 | 
						|
string to_string(unsigned val);
 | 
						|
string to_string(long val);
 | 
						|
string to_string(unsigned long val);
 | 
						|
string to_string(long long val);
 | 
						|
string to_string(unsigned long long val);
 | 
						|
string to_string(float val);
 | 
						|
string to_string(double val);
 | 
						|
string to_string(long double val);
 | 
						|
 | 
						|
int                stoi  (const wstring& str, size_t* idx = 0, int base = 10);
 | 
						|
long               stol  (const wstring& str, size_t* idx = 0, int base = 10);
 | 
						|
unsigned long      stoul (const wstring& str, size_t* idx = 0, int base = 10);
 | 
						|
long long          stoll (const wstring& str, size_t* idx = 0, int base = 10);
 | 
						|
unsigned long long stoull(const wstring& str, size_t* idx = 0, int base = 10);
 | 
						|
 | 
						|
float       stof (const wstring& str, size_t* idx = 0);
 | 
						|
double      stod (const wstring& str, size_t* idx = 0);
 | 
						|
long double stold(const wstring& str, size_t* idx = 0);
 | 
						|
 | 
						|
wstring to_wstring(int val);
 | 
						|
wstring to_wstring(unsigned val);
 | 
						|
wstring to_wstring(long val);
 | 
						|
wstring to_wstring(unsigned long val);
 | 
						|
wstring to_wstring(long long val);
 | 
						|
wstring to_wstring(unsigned long long val);
 | 
						|
wstring to_wstring(float val);
 | 
						|
wstring to_wstring(double val);
 | 
						|
wstring to_wstring(long double val);
 | 
						|
 | 
						|
template <> struct hash<string>;
 | 
						|
template <> struct hash<u16string>;
 | 
						|
template <> struct hash<u32string>;
 | 
						|
template <> struct hash<wstring>;
 | 
						|
 | 
						|
basic_string<char>     operator "" s( const char *str,     size_t len ); // C++14
 | 
						|
basic_string<wchar_t>  operator "" s( const wchar_t *str,  size_t len ); // C++14
 | 
						|
basic_string<char16_t> operator "" s( const char16_t *str, size_t len ); // C++14
 | 
						|
basic_string<char32_t> operator "" s( const char32_t *str, size_t len ); // C++14
 | 
						|
 | 
						|
}  // std
 | 
						|
 | 
						|
*/
 | 
						|
 | 
						|
#include <__config>
 | 
						|
#include <iosfwd>
 | 
						|
#include <cstring>
 | 
						|
#include <cstdio>  // For EOF.
 | 
						|
#include <cwchar>
 | 
						|
#include <algorithm>
 | 
						|
#include <iterator>
 | 
						|
#include <utility>
 | 
						|
#include <memory>
 | 
						|
#include <stdexcept>
 | 
						|
#include <type_traits>
 | 
						|
#include <initializer_list>
 | 
						|
#include <__functional_base>
 | 
						|
#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
 | 
						|
#include <cstdint>
 | 
						|
#endif
 | 
						|
#if defined(_LIBCPP_NO_EXCEPTIONS)
 | 
						|
#include <cassert>
 | 
						|
#endif
 | 
						|
 | 
						|
#include <__undef_min_max>
 | 
						|
 | 
						|
#include <__debug>
 | 
						|
 | 
						|
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 | 
						|
#pragma GCC system_header
 | 
						|
#endif
 | 
						|
 | 
						|
_LIBCPP_BEGIN_NAMESPACE_STD
 | 
						|
 | 
						|
// fpos
 | 
						|
 | 
						|
template <class _StateT>
 | 
						|
class _LIBCPP_TYPE_VIS_ONLY fpos
 | 
						|
{
 | 
						|
private:
 | 
						|
    _StateT __st_;
 | 
						|
    streamoff __off_;
 | 
						|
public:
 | 
						|
    _LIBCPP_INLINE_VISIBILITY fpos(streamoff __off = streamoff()) : __st_(), __off_(__off) {}
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY operator streamoff() const {return __off_;}
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY _StateT state() const {return __st_;}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY void state(_StateT __st) {__st_ = __st;}
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY fpos& operator+=(streamoff __off) {__off_ += __off; return *this;}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY fpos  operator+ (streamoff __off) const {fpos __t(*this); __t += __off; return __t;}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY fpos& operator-=(streamoff __off) {__off_ -= __off; return *this;}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY fpos  operator- (streamoff __off) const {fpos __t(*this); __t -= __off; return __t;}
 | 
						|
};
 | 
						|
 | 
						|
template <class _StateT>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
streamoff operator-(const fpos<_StateT>& __x, const fpos<_StateT>& __y)
 | 
						|
    {return streamoff(__x) - streamoff(__y);}
 | 
						|
 | 
						|
template <class _StateT>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
bool operator==(const fpos<_StateT>& __x, const fpos<_StateT>& __y)
 | 
						|
    {return streamoff(__x) == streamoff(__y);}
 | 
						|
 | 
						|
template <class _StateT>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
bool operator!=(const fpos<_StateT>& __x, const fpos<_StateT>& __y)
 | 
						|
    {return streamoff(__x) != streamoff(__y);}
 | 
						|
 | 
						|
// char_traits
 | 
						|
 | 
						|
template <class _CharT>
 | 
						|
struct _LIBCPP_TYPE_VIS_ONLY char_traits
 | 
						|
{
 | 
						|
    typedef _CharT    char_type;
 | 
						|
    typedef int       int_type;
 | 
						|
    typedef streamoff off_type;
 | 
						|
    typedef streampos pos_type;
 | 
						|
    typedef mbstate_t state_type;
 | 
						|
 | 
						|
    static inline void assign(char_type& __c1, const char_type& __c2) _NOEXCEPT
 | 
						|
        {__c1 = __c2;}
 | 
						|
    static inline _LIBCPP_CONSTEXPR bool eq(char_type __c1, char_type __c2) _NOEXCEPT
 | 
						|
        {return __c1 == __c2;}
 | 
						|
    static inline _LIBCPP_CONSTEXPR bool lt(char_type __c1, char_type __c2) _NOEXCEPT
 | 
						|
        {return __c1 < __c2;}
 | 
						|
 | 
						|
    static int              compare(const char_type* __s1, const char_type* __s2, size_t __n);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    static size_t           length(const char_type* __s);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    static const char_type* find(const char_type* __s, size_t __n, const char_type& __a);
 | 
						|
    static char_type*       move(char_type* __s1, const char_type* __s2, size_t __n);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    static char_type*       copy(char_type* __s1, const char_type* __s2, size_t __n);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    static char_type*       assign(char_type* __s, size_t __n, char_type __a);
 | 
						|
 | 
						|
    static inline _LIBCPP_CONSTEXPR int_type  not_eof(int_type __c) _NOEXCEPT
 | 
						|
        {return eq_int_type(__c, eof()) ? ~eof() : __c;}
 | 
						|
    static inline _LIBCPP_CONSTEXPR char_type to_char_type(int_type __c) _NOEXCEPT
 | 
						|
        {return char_type(__c);}
 | 
						|
    static inline _LIBCPP_CONSTEXPR int_type  to_int_type(char_type __c) _NOEXCEPT
 | 
						|
        {return int_type(__c);}
 | 
						|
    static inline _LIBCPP_CONSTEXPR bool      eq_int_type(int_type __c1, int_type __c2) _NOEXCEPT
 | 
						|
        {return __c1 == __c2;}
 | 
						|
    static inline _LIBCPP_CONSTEXPR int_type  eof() _NOEXCEPT
 | 
						|
        {return int_type(EOF);}
 | 
						|
};
 | 
						|
 | 
						|
template <class _CharT>
 | 
						|
int
 | 
						|
char_traits<_CharT>::compare(const char_type* __s1, const char_type* __s2, size_t __n)
 | 
						|
{
 | 
						|
    for (; __n; --__n, ++__s1, ++__s2)
 | 
						|
    {
 | 
						|
        if (lt(*__s1, *__s2))
 | 
						|
            return -1;
 | 
						|
        if (lt(*__s2, *__s1))
 | 
						|
            return 1;
 | 
						|
    }
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT>
 | 
						|
inline
 | 
						|
size_t
 | 
						|
char_traits<_CharT>::length(const char_type* __s)
 | 
						|
{
 | 
						|
    size_t __len = 0;
 | 
						|
    for (; !eq(*__s, char_type(0)); ++__s)
 | 
						|
        ++__len;
 | 
						|
    return __len;
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT>
 | 
						|
inline
 | 
						|
const _CharT*
 | 
						|
char_traits<_CharT>::find(const char_type* __s, size_t __n, const char_type& __a)
 | 
						|
{
 | 
						|
    for (; __n; --__n)
 | 
						|
    {
 | 
						|
        if (eq(*__s, __a))
 | 
						|
            return __s;
 | 
						|
        ++__s;
 | 
						|
    }
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT>
 | 
						|
_CharT*
 | 
						|
char_traits<_CharT>::move(char_type* __s1, const char_type* __s2, size_t __n)
 | 
						|
{
 | 
						|
    char_type* __r = __s1;
 | 
						|
    if (__s1 < __s2)
 | 
						|
    {
 | 
						|
        for (; __n; --__n, ++__s1, ++__s2)
 | 
						|
            assign(*__s1, *__s2);
 | 
						|
    }
 | 
						|
    else if (__s2 < __s1)
 | 
						|
    {
 | 
						|
        __s1 += __n;
 | 
						|
        __s2 += __n;
 | 
						|
        for (; __n; --__n)
 | 
						|
            assign(*--__s1, *--__s2);
 | 
						|
    }
 | 
						|
    return __r;
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT>
 | 
						|
inline
 | 
						|
_CharT*
 | 
						|
char_traits<_CharT>::copy(char_type* __s1, const char_type* __s2, size_t __n)
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__s2 < __s1 || __s2 >= __s1+__n, "char_traits::copy overlapped range");
 | 
						|
    char_type* __r = __s1;
 | 
						|
    for (; __n; --__n, ++__s1, ++__s2)
 | 
						|
        assign(*__s1, *__s2);
 | 
						|
    return __r;
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT>
 | 
						|
inline
 | 
						|
_CharT*
 | 
						|
char_traits<_CharT>::assign(char_type* __s, size_t __n, char_type __a)
 | 
						|
{
 | 
						|
    char_type* __r = __s;
 | 
						|
    for (; __n; --__n, ++__s)
 | 
						|
        assign(*__s, __a);
 | 
						|
    return __r;
 | 
						|
}
 | 
						|
 | 
						|
// char_traits<char>
 | 
						|
 | 
						|
template <>
 | 
						|
struct _LIBCPP_TYPE_VIS_ONLY char_traits<char>
 | 
						|
{
 | 
						|
    typedef char      char_type;
 | 
						|
    typedef int       int_type;
 | 
						|
    typedef streamoff off_type;
 | 
						|
    typedef streampos pos_type;
 | 
						|
    typedef mbstate_t state_type;
 | 
						|
 | 
						|
    static inline void assign(char_type& __c1, const char_type& __c2) _NOEXCEPT
 | 
						|
        {__c1 = __c2;}
 | 
						|
    static inline _LIBCPP_CONSTEXPR bool eq(char_type __c1, char_type __c2) _NOEXCEPT
 | 
						|
            {return __c1 == __c2;}
 | 
						|
    static inline _LIBCPP_CONSTEXPR bool lt(char_type __c1, char_type __c2) _NOEXCEPT
 | 
						|
        {return (unsigned char)__c1 < (unsigned char)__c2;}
 | 
						|
 | 
						|
    static inline int compare(const char_type* __s1, const char_type* __s2, size_t __n)
 | 
						|
        {return __n == 0 ? 0 : memcmp(__s1, __s2, __n);}
 | 
						|
    static inline size_t length(const char_type* __s) {return strlen(__s);}
 | 
						|
    static inline const char_type* find(const char_type* __s, size_t __n, const char_type& __a)
 | 
						|
        {return __n == 0 ? NULL : (const char_type*) memchr(__s, to_int_type(__a), __n);}
 | 
						|
    static inline char_type* move(char_type* __s1, const char_type* __s2, size_t __n)
 | 
						|
        {return __n == 0 ? __s1 : (char_type*) memmove(__s1, __s2, __n);}
 | 
						|
    static inline char_type* copy(char_type* __s1, const char_type* __s2, size_t __n)
 | 
						|
        {
 | 
						|
            _LIBCPP_ASSERT(__s2 < __s1 || __s2 >= __s1+__n, "char_traits::copy overlapped range");
 | 
						|
            return __n == 0 ? __s1 : (char_type*)memcpy(__s1, __s2, __n);
 | 
						|
        }
 | 
						|
    static inline char_type* assign(char_type* __s, size_t __n, char_type __a)
 | 
						|
        {return __n == 0 ? __s : (char_type*)memset(__s, to_int_type(__a), __n);}
 | 
						|
 | 
						|
    static inline _LIBCPP_CONSTEXPR int_type  not_eof(int_type __c) _NOEXCEPT
 | 
						|
        {return eq_int_type(__c, eof()) ? ~eof() : __c;}
 | 
						|
    static inline _LIBCPP_CONSTEXPR char_type to_char_type(int_type __c) _NOEXCEPT
 | 
						|
        {return char_type(__c);}
 | 
						|
    static inline _LIBCPP_CONSTEXPR int_type to_int_type(char_type __c) _NOEXCEPT
 | 
						|
        {return int_type((unsigned char)__c);}
 | 
						|
    static inline _LIBCPP_CONSTEXPR bool eq_int_type(int_type __c1, int_type __c2) _NOEXCEPT
 | 
						|
        {return __c1 == __c2;}
 | 
						|
    static inline _LIBCPP_CONSTEXPR int_type  eof() _NOEXCEPT
 | 
						|
        {return int_type(EOF);}
 | 
						|
};
 | 
						|
 | 
						|
// char_traits<wchar_t>
 | 
						|
 | 
						|
template <>
 | 
						|
struct _LIBCPP_TYPE_VIS_ONLY char_traits<wchar_t>
 | 
						|
{
 | 
						|
    typedef wchar_t   char_type;
 | 
						|
    typedef wint_t    int_type;
 | 
						|
    typedef streamoff off_type;
 | 
						|
    typedef streampos pos_type;
 | 
						|
    typedef mbstate_t state_type;
 | 
						|
 | 
						|
    static inline void assign(char_type& __c1, const char_type& __c2) _NOEXCEPT
 | 
						|
        {__c1 = __c2;}
 | 
						|
    static inline _LIBCPP_CONSTEXPR bool eq(char_type __c1, char_type __c2) _NOEXCEPT
 | 
						|
        {return __c1 == __c2;}
 | 
						|
    static inline _LIBCPP_CONSTEXPR bool lt(char_type __c1, char_type __c2) _NOEXCEPT
 | 
						|
        {return __c1 < __c2;}
 | 
						|
 | 
						|
    static inline int compare(const char_type* __s1, const char_type* __s2, size_t __n)
 | 
						|
        {return __n == 0 ? 0 : wmemcmp(__s1, __s2, __n);}
 | 
						|
    static inline size_t length(const char_type* __s)
 | 
						|
        {return wcslen(__s);}
 | 
						|
    static inline const char_type* find(const char_type* __s, size_t __n, const char_type& __a)
 | 
						|
        {return __n == 0 ? NULL : (const char_type*)wmemchr(__s, __a, __n);}
 | 
						|
    static inline char_type* move(char_type* __s1, const char_type* __s2, size_t __n)
 | 
						|
        {return __n == 0 ? __s1 : (char_type*)wmemmove(__s1, __s2, __n);}
 | 
						|
    static inline char_type* copy(char_type* __s1, const char_type* __s2, size_t __n)
 | 
						|
        {
 | 
						|
            _LIBCPP_ASSERT(__s2 < __s1 || __s2 >= __s1+__n, "char_traits::copy overlapped range");
 | 
						|
            return __n == 0 ? __s1 : (char_type*)wmemcpy(__s1, __s2, __n);
 | 
						|
        }
 | 
						|
    static inline char_type* assign(char_type* __s, size_t __n, char_type __a)
 | 
						|
        {return __n == 0 ? __s : (char_type*)wmemset(__s, __a, __n);}
 | 
						|
 | 
						|
    static inline _LIBCPP_CONSTEXPR int_type  not_eof(int_type __c) _NOEXCEPT
 | 
						|
        {return eq_int_type(__c, eof()) ? ~eof() : __c;}
 | 
						|
    static inline _LIBCPP_CONSTEXPR char_type to_char_type(int_type __c) _NOEXCEPT
 | 
						|
        {return char_type(__c);}
 | 
						|
    static inline _LIBCPP_CONSTEXPR int_type to_int_type(char_type __c) _NOEXCEPT
 | 
						|
        {return int_type(__c);}
 | 
						|
    static inline _LIBCPP_CONSTEXPR bool eq_int_type(int_type __c1, int_type __c2) _NOEXCEPT
 | 
						|
        {return __c1 == __c2;}
 | 
						|
    static inline _LIBCPP_CONSTEXPR int_type eof() _NOEXCEPT
 | 
						|
        {return int_type(WEOF);}
 | 
						|
};
 | 
						|
 | 
						|
#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
 | 
						|
 | 
						|
template <>
 | 
						|
struct _LIBCPP_TYPE_VIS_ONLY char_traits<char16_t>
 | 
						|
{
 | 
						|
    typedef char16_t       char_type;
 | 
						|
    typedef uint_least16_t int_type;
 | 
						|
    typedef streamoff      off_type;
 | 
						|
    typedef u16streampos   pos_type;
 | 
						|
    typedef mbstate_t      state_type;
 | 
						|
 | 
						|
    static inline void assign(char_type& __c1, const char_type& __c2) _NOEXCEPT
 | 
						|
        {__c1 = __c2;}
 | 
						|
    static inline _LIBCPP_CONSTEXPR bool eq(char_type __c1, char_type __c2) _NOEXCEPT
 | 
						|
        {return __c1 == __c2;}
 | 
						|
    static inline _LIBCPP_CONSTEXPR bool lt(char_type __c1, char_type __c2) _NOEXCEPT
 | 
						|
        {return __c1 < __c2;}
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    static int              compare(const char_type* __s1, const char_type* __s2, size_t __n);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    static size_t           length(const char_type* __s);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    static const char_type* find(const char_type* __s, size_t __n, const char_type& __a);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    static char_type*       move(char_type* __s1, const char_type* __s2, size_t __n);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    static char_type*       copy(char_type* __s1, const char_type* __s2, size_t __n);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    static char_type*       assign(char_type* __s, size_t __n, char_type __a);
 | 
						|
 | 
						|
    static inline _LIBCPP_CONSTEXPR int_type  not_eof(int_type __c) _NOEXCEPT
 | 
						|
        {return eq_int_type(__c, eof()) ? ~eof() : __c;}
 | 
						|
    static inline _LIBCPP_CONSTEXPR char_type to_char_type(int_type __c) _NOEXCEPT
 | 
						|
        {return char_type(__c);}
 | 
						|
    static inline _LIBCPP_CONSTEXPR int_type to_int_type(char_type __c) _NOEXCEPT
 | 
						|
        {return int_type(__c);}
 | 
						|
    static inline _LIBCPP_CONSTEXPR bool eq_int_type(int_type __c1, int_type __c2) _NOEXCEPT
 | 
						|
        {return __c1 == __c2;}
 | 
						|
    static inline _LIBCPP_CONSTEXPR int_type eof() _NOEXCEPT
 | 
						|
        {return int_type(0xFFFF);}
 | 
						|
};
 | 
						|
 | 
						|
inline
 | 
						|
int
 | 
						|
char_traits<char16_t>::compare(const char_type* __s1, const char_type* __s2, size_t __n)
 | 
						|
{
 | 
						|
    for (; __n; --__n, ++__s1, ++__s2)
 | 
						|
    {
 | 
						|
        if (lt(*__s1, *__s2))
 | 
						|
            return -1;
 | 
						|
        if (lt(*__s2, *__s1))
 | 
						|
            return 1;
 | 
						|
    }
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
inline
 | 
						|
size_t
 | 
						|
char_traits<char16_t>::length(const char_type* __s)
 | 
						|
{
 | 
						|
    size_t __len = 0;
 | 
						|
    for (; !eq(*__s, char_type(0)); ++__s)
 | 
						|
        ++__len;
 | 
						|
    return __len;
 | 
						|
}
 | 
						|
 | 
						|
inline
 | 
						|
const char16_t*
 | 
						|
char_traits<char16_t>::find(const char_type* __s, size_t __n, const char_type& __a)
 | 
						|
{
 | 
						|
    for (; __n; --__n)
 | 
						|
    {
 | 
						|
        if (eq(*__s, __a))
 | 
						|
            return __s;
 | 
						|
        ++__s;
 | 
						|
    }
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
inline
 | 
						|
char16_t*
 | 
						|
char_traits<char16_t>::move(char_type* __s1, const char_type* __s2, size_t __n)
 | 
						|
{
 | 
						|
    char_type* __r = __s1;
 | 
						|
    if (__s1 < __s2)
 | 
						|
    {
 | 
						|
        for (; __n; --__n, ++__s1, ++__s2)
 | 
						|
            assign(*__s1, *__s2);
 | 
						|
    }
 | 
						|
    else if (__s2 < __s1)
 | 
						|
    {
 | 
						|
        __s1 += __n;
 | 
						|
        __s2 += __n;
 | 
						|
        for (; __n; --__n)
 | 
						|
            assign(*--__s1, *--__s2);
 | 
						|
    }
 | 
						|
    return __r;
 | 
						|
}
 | 
						|
 | 
						|
inline
 | 
						|
char16_t*
 | 
						|
char_traits<char16_t>::copy(char_type* __s1, const char_type* __s2, size_t __n)
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__s2 < __s1 || __s2 >= __s1+__n, "char_traits::copy overlapped range");
 | 
						|
    char_type* __r = __s1;
 | 
						|
    for (; __n; --__n, ++__s1, ++__s2)
 | 
						|
        assign(*__s1, *__s2);
 | 
						|
    return __r;
 | 
						|
}
 | 
						|
 | 
						|
inline
 | 
						|
char16_t*
 | 
						|
char_traits<char16_t>::assign(char_type* __s, size_t __n, char_type __a)
 | 
						|
{
 | 
						|
    char_type* __r = __s;
 | 
						|
    for (; __n; --__n, ++__s)
 | 
						|
        assign(*__s, __a);
 | 
						|
    return __r;
 | 
						|
}
 | 
						|
 | 
						|
template <>
 | 
						|
struct _LIBCPP_TYPE_VIS_ONLY char_traits<char32_t>
 | 
						|
{
 | 
						|
    typedef char32_t       char_type;
 | 
						|
    typedef uint_least32_t int_type;
 | 
						|
    typedef streamoff      off_type;
 | 
						|
    typedef u32streampos   pos_type;
 | 
						|
    typedef mbstate_t      state_type;
 | 
						|
 | 
						|
    static inline void assign(char_type& __c1, const char_type& __c2) _NOEXCEPT
 | 
						|
        {__c1 = __c2;}
 | 
						|
    static inline _LIBCPP_CONSTEXPR bool eq(char_type __c1, char_type __c2) _NOEXCEPT
 | 
						|
        {return __c1 == __c2;}
 | 
						|
    static inline _LIBCPP_CONSTEXPR bool lt(char_type __c1, char_type __c2) _NOEXCEPT
 | 
						|
        {return __c1 < __c2;}
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    static int              compare(const char_type* __s1, const char_type* __s2, size_t __n);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    static size_t           length(const char_type* __s);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    static const char_type* find(const char_type* __s, size_t __n, const char_type& __a);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    static char_type*       move(char_type* __s1, const char_type* __s2, size_t __n);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    static char_type*       copy(char_type* __s1, const char_type* __s2, size_t __n);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    static char_type*       assign(char_type* __s, size_t __n, char_type __a);
 | 
						|
 | 
						|
    static inline _LIBCPP_CONSTEXPR int_type  not_eof(int_type __c) _NOEXCEPT
 | 
						|
        {return eq_int_type(__c, eof()) ? ~eof() : __c;}
 | 
						|
    static inline _LIBCPP_CONSTEXPR char_type to_char_type(int_type __c) _NOEXCEPT
 | 
						|
        {return char_type(__c);}
 | 
						|
    static inline _LIBCPP_CONSTEXPR int_type to_int_type(char_type __c) _NOEXCEPT
 | 
						|
        {return int_type(__c);}
 | 
						|
    static inline _LIBCPP_CONSTEXPR bool eq_int_type(int_type __c1, int_type __c2) _NOEXCEPT
 | 
						|
        {return __c1 == __c2;}
 | 
						|
    static inline _LIBCPP_CONSTEXPR int_type eof() _NOEXCEPT
 | 
						|
        {return int_type(0xFFFFFFFF);}
 | 
						|
};
 | 
						|
 | 
						|
inline
 | 
						|
int
 | 
						|
char_traits<char32_t>::compare(const char_type* __s1, const char_type* __s2, size_t __n)
 | 
						|
{
 | 
						|
    for (; __n; --__n, ++__s1, ++__s2)
 | 
						|
    {
 | 
						|
        if (lt(*__s1, *__s2))
 | 
						|
            return -1;
 | 
						|
        if (lt(*__s2, *__s1))
 | 
						|
            return 1;
 | 
						|
    }
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
inline
 | 
						|
size_t
 | 
						|
char_traits<char32_t>::length(const char_type* __s)
 | 
						|
{
 | 
						|
    size_t __len = 0;
 | 
						|
    for (; !eq(*__s, char_type(0)); ++__s)
 | 
						|
        ++__len;
 | 
						|
    return __len;
 | 
						|
}
 | 
						|
 | 
						|
inline
 | 
						|
const char32_t*
 | 
						|
char_traits<char32_t>::find(const char_type* __s, size_t __n, const char_type& __a)
 | 
						|
{
 | 
						|
    for (; __n; --__n)
 | 
						|
    {
 | 
						|
        if (eq(*__s, __a))
 | 
						|
            return __s;
 | 
						|
        ++__s;
 | 
						|
    }
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
inline
 | 
						|
char32_t*
 | 
						|
char_traits<char32_t>::move(char_type* __s1, const char_type* __s2, size_t __n)
 | 
						|
{
 | 
						|
    char_type* __r = __s1;
 | 
						|
    if (__s1 < __s2)
 | 
						|
    {
 | 
						|
        for (; __n; --__n, ++__s1, ++__s2)
 | 
						|
            assign(*__s1, *__s2);
 | 
						|
    }
 | 
						|
    else if (__s2 < __s1)
 | 
						|
    {
 | 
						|
        __s1 += __n;
 | 
						|
        __s2 += __n;
 | 
						|
        for (; __n; --__n)
 | 
						|
            assign(*--__s1, *--__s2);
 | 
						|
    }
 | 
						|
    return __r;
 | 
						|
}
 | 
						|
 | 
						|
inline
 | 
						|
char32_t*
 | 
						|
char_traits<char32_t>::copy(char_type* __s1, const char_type* __s2, size_t __n)
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__s2 < __s1 || __s2 >= __s1+__n, "char_traits::copy overlapped range");
 | 
						|
    char_type* __r = __s1;
 | 
						|
    for (; __n; --__n, ++__s1, ++__s2)
 | 
						|
        assign(*__s1, *__s2);
 | 
						|
    return __r;
 | 
						|
}
 | 
						|
 | 
						|
inline
 | 
						|
char32_t*
 | 
						|
char_traits<char32_t>::assign(char_type* __s, size_t __n, char_type __a)
 | 
						|
{
 | 
						|
    char_type* __r = __s;
 | 
						|
    for (; __n; --__n, ++__s)
 | 
						|
        assign(*__s, __a);
 | 
						|
    return __r;
 | 
						|
}
 | 
						|
 | 
						|
#endif  // _LIBCPP_HAS_NO_UNICODE_CHARS
 | 
						|
 | 
						|
// helper fns for basic_string
 | 
						|
 | 
						|
// __str_find
 | 
						|
template<class _CharT, class _SizeT, class _Traits, _SizeT __npos>
 | 
						|
_SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
 | 
						|
__str_find(const _CharT *__p, _SizeT __sz, 
 | 
						|
             _CharT __c, _SizeT __pos) _NOEXCEPT
 | 
						|
{
 | 
						|
    if (__pos >= __sz)
 | 
						|
        return __npos;
 | 
						|
    const _CharT* __r = _Traits::find(__p + __pos, __sz - __pos, __c);
 | 
						|
    if (__r == 0)
 | 
						|
        return __npos;
 | 
						|
    return static_cast<_SizeT>(__r - __p);
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _SizeT, class _Traits, _SizeT __npos>
 | 
						|
_SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
 | 
						|
__str_find(const _CharT *__p, _SizeT __sz, 
 | 
						|
       const _CharT* __s, _SizeT __pos, _SizeT __n) _NOEXCEPT
 | 
						|
{
 | 
						|
    if (__pos > __sz || __sz - __pos < __n)
 | 
						|
        return __npos;
 | 
						|
    if (__n == 0)
 | 
						|
        return __pos;
 | 
						|
    const _CharT* __r = 
 | 
						|
        _VSTD::__search(__p + __pos, __p + __sz,
 | 
						|
                        __s, __s + __n, _Traits::eq,
 | 
						|
                        random_access_iterator_tag(), random_access_iterator_tag());
 | 
						|
    if (__r == __p + __sz)
 | 
						|
        return __npos;
 | 
						|
    return static_cast<_SizeT>(__r - __p);
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
// __str_rfind
 | 
						|
 | 
						|
template<class _CharT, class _SizeT, class _Traits, _SizeT __npos>
 | 
						|
_SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
 | 
						|
__str_rfind(const _CharT *__p, _SizeT __sz, 
 | 
						|
              _CharT __c, _SizeT __pos) _NOEXCEPT
 | 
						|
{
 | 
						|
    if (__sz < 1)
 | 
						|
        return __npos;
 | 
						|
    if (__pos < __sz)
 | 
						|
        ++__pos;
 | 
						|
    else
 | 
						|
        __pos = __sz;
 | 
						|
    for (const _CharT* __ps = __p + __pos; __ps != __p;)
 | 
						|
    {
 | 
						|
        if (_Traits::eq(*--__ps, __c))
 | 
						|
            return static_cast<_SizeT>(__ps - __p);
 | 
						|
    }
 | 
						|
    return __npos;
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _SizeT, class _Traits, _SizeT __npos>
 | 
						|
_SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
 | 
						|
__str_rfind(const _CharT *__p, _SizeT __sz, 
 | 
						|
        const _CharT* __s, _SizeT __pos, _SizeT __n) _NOEXCEPT
 | 
						|
{
 | 
						|
    __pos = _VSTD::min(__pos, __sz);
 | 
						|
    if (__n < __sz - __pos)
 | 
						|
        __pos += __n;
 | 
						|
    else
 | 
						|
        __pos = __sz;
 | 
						|
    const _CharT* __r = _VSTD::__find_end(
 | 
						|
                  __p, __p + __pos, __s, __s + __n, _Traits::eq, 
 | 
						|
                        random_access_iterator_tag(), random_access_iterator_tag());
 | 
						|
    if (__n > 0 && __r == __p + __pos)
 | 
						|
        return __npos;
 | 
						|
    return static_cast<_SizeT>(__r - __p);
 | 
						|
}
 | 
						|
 | 
						|
// __str_find_first_of
 | 
						|
template<class _CharT, class _SizeT, class _Traits, _SizeT __npos>
 | 
						|
_SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
 | 
						|
__str_find_first_of(const _CharT *__p, _SizeT __sz,
 | 
						|
                const _CharT* __s, _SizeT __pos, _SizeT __n) _NOEXCEPT
 | 
						|
{
 | 
						|
    if (__pos >= __sz || __n == 0)
 | 
						|
        return __npos;
 | 
						|
    const _CharT* __r = _VSTD::__find_first_of_ce
 | 
						|
        (__p + __pos, __p + __sz, __s, __s + __n, _Traits::eq );
 | 
						|
    if (__r == __p + __sz)
 | 
						|
        return __npos;
 | 
						|
    return static_cast<_SizeT>(__r - __p);
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
// __str_find_last_of
 | 
						|
template<class _CharT, class _SizeT, class _Traits, _SizeT __npos>
 | 
						|
_SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY 
 | 
						|
__str_find_last_of(const _CharT *__p, _SizeT __sz,
 | 
						|
               const _CharT* __s, _SizeT __pos, _SizeT __n) _NOEXCEPT
 | 
						|
    {
 | 
						|
    if (__n != 0)
 | 
						|
    {
 | 
						|
        if (__pos < __sz)
 | 
						|
            ++__pos;
 | 
						|
        else
 | 
						|
            __pos = __sz;
 | 
						|
        for (const _CharT* __ps = __p + __pos; __ps != __p;)
 | 
						|
        {
 | 
						|
            const _CharT* __r = _Traits::find(__s, __n, *--__ps);
 | 
						|
            if (__r)
 | 
						|
                return static_cast<_SizeT>(__ps - __p);
 | 
						|
        }
 | 
						|
    }
 | 
						|
    return __npos;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
// __str_find_first_not_of
 | 
						|
template<class _CharT, class _SizeT, class _Traits, _SizeT __npos>
 | 
						|
_SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
 | 
						|
__str_find_first_not_of(const _CharT *__p, _SizeT __sz,
 | 
						|
                    const _CharT* __s, _SizeT __pos, _SizeT __n) _NOEXCEPT
 | 
						|
{
 | 
						|
    if (__pos < __sz)
 | 
						|
    {
 | 
						|
        const _CharT* __pe = __p + __sz;
 | 
						|
        for (const _CharT* __ps = __p + __pos; __ps != __pe; ++__ps)
 | 
						|
            if (_Traits::find(__s, __n, *__ps) == 0)
 | 
						|
                return static_cast<_SizeT>(__ps - __p);
 | 
						|
    }
 | 
						|
    return __npos;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
template<class _CharT, class _SizeT, class _Traits, _SizeT __npos>
 | 
						|
_SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
 | 
						|
__str_find_first_not_of(const _CharT *__p, _SizeT __sz,
 | 
						|
                          _CharT __c, _SizeT __pos) _NOEXCEPT
 | 
						|
{
 | 
						|
    if (__pos < __sz)
 | 
						|
    {
 | 
						|
        const _CharT* __pe = __p + __sz;
 | 
						|
        for (const _CharT* __ps = __p + __pos; __ps != __pe; ++__ps)
 | 
						|
            if (!_Traits::eq(*__ps, __c))
 | 
						|
                return static_cast<_SizeT>(__ps - __p);
 | 
						|
    }
 | 
						|
    return __npos;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
// __str_find_last_not_of
 | 
						|
template<class _CharT, class _SizeT, class _Traits, _SizeT __npos>
 | 
						|
_SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
 | 
						|
__str_find_last_not_of(const _CharT *__p, _SizeT __sz,
 | 
						|
                   const _CharT* __s, _SizeT __pos, _SizeT __n) _NOEXCEPT
 | 
						|
{
 | 
						|
    if (__pos < __sz)
 | 
						|
        ++__pos;
 | 
						|
    else
 | 
						|
        __pos = __sz;
 | 
						|
    for (const _CharT* __ps = __p + __pos; __ps != __p;)
 | 
						|
        if (_Traits::find(__s, __n, *--__ps) == 0)
 | 
						|
            return static_cast<_SizeT>(__ps - __p);
 | 
						|
    return __npos;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
template<class _CharT, class _SizeT, class _Traits, _SizeT __npos>
 | 
						|
_SizeT _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
 | 
						|
__str_find_last_not_of(const _CharT *__p, _SizeT __sz,
 | 
						|
                         _CharT __c, _SizeT __pos) _NOEXCEPT
 | 
						|
{
 | 
						|
    if (__pos < __sz)
 | 
						|
        ++__pos;
 | 
						|
    else
 | 
						|
        __pos = __sz;
 | 
						|
    for (const _CharT* __ps = __p + __pos; __ps != __p;)
 | 
						|
        if (!_Traits::eq(*--__ps, __c))
 | 
						|
            return static_cast<_SizeT>(__ps - __p);
 | 
						|
    return __npos;
 | 
						|
}
 | 
						|
 | 
						|
template<class _Ptr>
 | 
						|
size_t _LIBCPP_INLINE_VISIBILITY __do_string_hash(_Ptr __p, _Ptr __e)
 | 
						|
{
 | 
						|
    typedef typename iterator_traits<_Ptr>::value_type value_type;
 | 
						|
    return __murmur2_or_cityhash<size_t>()(__p, (__e-__p)*sizeof(value_type));
 | 
						|
}
 | 
						|
 | 
						|
// basic_string
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>
 | 
						|
operator+(const basic_string<_CharT, _Traits, _Allocator>& __x,
 | 
						|
          const basic_string<_CharT, _Traits, _Allocator>& __y);
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>
 | 
						|
operator+(const _CharT* __x, const basic_string<_CharT,_Traits,_Allocator>& __y);
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>
 | 
						|
operator+(_CharT __x, const basic_string<_CharT,_Traits,_Allocator>& __y);
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>
 | 
						|
operator+(const basic_string<_CharT, _Traits, _Allocator>& __x, const _CharT* __y);
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>
 | 
						|
operator+(const basic_string<_CharT, _Traits, _Allocator>& __x, _CharT __y);
 | 
						|
 | 
						|
template <bool>
 | 
						|
class _LIBCPP_TYPE_VIS_ONLY __basic_string_common
 | 
						|
{
 | 
						|
protected:
 | 
						|
    void __throw_length_error() const;
 | 
						|
    void __throw_out_of_range() const;
 | 
						|
};
 | 
						|
 | 
						|
template <bool __b>
 | 
						|
void
 | 
						|
__basic_string_common<__b>::__throw_length_error() const
 | 
						|
{
 | 
						|
#ifndef _LIBCPP_NO_EXCEPTIONS
 | 
						|
    throw length_error("basic_string");
 | 
						|
#else
 | 
						|
    assert(!"basic_string length_error");
 | 
						|
#endif
 | 
						|
}
 | 
						|
 | 
						|
template <bool __b>
 | 
						|
void
 | 
						|
__basic_string_common<__b>::__throw_out_of_range() const
 | 
						|
{
 | 
						|
#ifndef _LIBCPP_NO_EXCEPTIONS
 | 
						|
    throw out_of_range("basic_string");
 | 
						|
#else
 | 
						|
    assert(!"basic_string out_of_range");
 | 
						|
#endif
 | 
						|
}
 | 
						|
 | 
						|
#ifdef _LIBCPP_MSVC
 | 
						|
#pragma warning( push )
 | 
						|
#pragma warning( disable: 4231 )
 | 
						|
#endif // _LIBCPP_MSVC
 | 
						|
_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_TYPE_VIS __basic_string_common<true>)
 | 
						|
#ifdef _LIBCPP_MSVC
 | 
						|
#pragma warning( pop )
 | 
						|
#endif // _LIBCPP_MSVC
 | 
						|
 | 
						|
#ifdef _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
 | 
						|
 | 
						|
template <class _CharT, size_t = sizeof(_CharT)>
 | 
						|
struct __padding
 | 
						|
{
 | 
						|
    unsigned char __xx[sizeof(_CharT)-1];
 | 
						|
};
 | 
						|
 | 
						|
template <class _CharT>
 | 
						|
struct __padding<_CharT, 1>
 | 
						|
{
 | 
						|
};
 | 
						|
 | 
						|
#endif  // _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
class _LIBCPP_TYPE_VIS_ONLY basic_string
 | 
						|
    : private __basic_string_common<true>
 | 
						|
{
 | 
						|
public:
 | 
						|
    typedef basic_string                                 __self;
 | 
						|
    typedef _Traits                                      traits_type;
 | 
						|
    typedef typename traits_type::char_type              value_type;
 | 
						|
    typedef _Allocator                                   allocator_type;
 | 
						|
    typedef allocator_traits<allocator_type>             __alloc_traits;
 | 
						|
    typedef typename __alloc_traits::size_type           size_type;
 | 
						|
    typedef typename __alloc_traits::difference_type     difference_type;
 | 
						|
    typedef value_type&                                  reference;
 | 
						|
    typedef const value_type&                            const_reference;
 | 
						|
    typedef typename __alloc_traits::pointer             pointer;
 | 
						|
    typedef typename __alloc_traits::const_pointer       const_pointer;
 | 
						|
 | 
						|
    static_assert(is_pod<value_type>::value, "Character type of basic_string must be a POD");
 | 
						|
    static_assert((is_same<_CharT, value_type>::value),
 | 
						|
                  "traits_type::char_type must be the same type as CharT");
 | 
						|
    static_assert((is_same<typename allocator_type::value_type, value_type>::value),
 | 
						|
                  "Allocator::value_type must be same type as value_type");
 | 
						|
#if defined(_LIBCPP_RAW_ITERATORS)
 | 
						|
    typedef pointer                                      iterator;
 | 
						|
    typedef const_pointer                                const_iterator;
 | 
						|
#else  // defined(_LIBCPP_RAW_ITERATORS)
 | 
						|
    typedef __wrap_iter<pointer>                         iterator;
 | 
						|
    typedef __wrap_iter<const_pointer>                   const_iterator;
 | 
						|
#endif  // defined(_LIBCPP_RAW_ITERATORS)
 | 
						|
    typedef _VSTD::reverse_iterator<iterator>             reverse_iterator;
 | 
						|
    typedef _VSTD::reverse_iterator<const_iterator>       const_reverse_iterator;
 | 
						|
 | 
						|
private:
 | 
						|
 | 
						|
#ifdef _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
 | 
						|
 | 
						|
    struct __long
 | 
						|
    {
 | 
						|
        pointer   __data_;
 | 
						|
        size_type __size_;
 | 
						|
        size_type __cap_;
 | 
						|
    };
 | 
						|
 | 
						|
#if _LIBCPP_BIG_ENDIAN
 | 
						|
    enum {__short_mask = 0x01};
 | 
						|
    enum {__long_mask  = 0x1ul};
 | 
						|
#else  // _LIBCPP_BIG_ENDIAN
 | 
						|
    enum {__short_mask = 0x80};
 | 
						|
    enum {__long_mask  = ~(size_type(~0) >> 1)};
 | 
						|
#endif  // _LIBCPP_BIG_ENDIAN
 | 
						|
 | 
						|
    enum {__min_cap = (sizeof(__long) - 1)/sizeof(value_type) > 2 ?
 | 
						|
                      (sizeof(__long) - 1)/sizeof(value_type) : 2};
 | 
						|
 | 
						|
    struct __short
 | 
						|
    {
 | 
						|
        value_type __data_[__min_cap];
 | 
						|
        struct
 | 
						|
            : __padding<value_type>
 | 
						|
        {
 | 
						|
            unsigned char __size_;
 | 
						|
        };
 | 
						|
    };
 | 
						|
 | 
						|
#else
 | 
						|
 | 
						|
    struct __long
 | 
						|
    {
 | 
						|
        size_type __cap_;
 | 
						|
        size_type __size_;
 | 
						|
        pointer   __data_;
 | 
						|
    };
 | 
						|
 | 
						|
#if _LIBCPP_BIG_ENDIAN
 | 
						|
    enum {__short_mask = 0x80};
 | 
						|
    enum {__long_mask  = ~(size_type(~0) >> 1)};
 | 
						|
#else  // _LIBCPP_BIG_ENDIAN
 | 
						|
    enum {__short_mask = 0x01};
 | 
						|
    enum {__long_mask  = 0x1ul};
 | 
						|
#endif  // _LIBCPP_BIG_ENDIAN
 | 
						|
 | 
						|
    enum {__min_cap = (sizeof(__long) - 1)/sizeof(value_type) > 2 ?
 | 
						|
                      (sizeof(__long) - 1)/sizeof(value_type) : 2};
 | 
						|
 | 
						|
    struct __short
 | 
						|
    {
 | 
						|
        union
 | 
						|
        {
 | 
						|
            unsigned char __size_;
 | 
						|
            value_type __lx;
 | 
						|
        };
 | 
						|
        value_type __data_[__min_cap];
 | 
						|
    };
 | 
						|
 | 
						|
#endif  // _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
 | 
						|
 | 
						|
    union __ulx{__long __lx; __short __lxx;};
 | 
						|
 | 
						|
    enum {__n_words = sizeof(__ulx) / sizeof(size_type)};
 | 
						|
 | 
						|
    struct __raw
 | 
						|
    {
 | 
						|
        size_type __words[__n_words];
 | 
						|
    };
 | 
						|
 | 
						|
    struct __rep
 | 
						|
    {
 | 
						|
        union
 | 
						|
        {
 | 
						|
            __long  __l;
 | 
						|
            __short __s;
 | 
						|
            __raw   __r;
 | 
						|
        };
 | 
						|
    };
 | 
						|
 | 
						|
    __compressed_pair<__rep, allocator_type> __r_;
 | 
						|
 | 
						|
public:
 | 
						|
    static const size_type npos = -1;
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY basic_string()
 | 
						|
        _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value);
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY explicit basic_string(const allocator_type& __a)
 | 
						|
#if _LIBCPP_STD_VER <= 14
 | 
						|
        _NOEXCEPT_(is_nothrow_copy_constructible<allocator_type>::value);
 | 
						|
#else
 | 
						|
        _NOEXCEPT;
 | 
						|
#endif
 | 
						|
 | 
						|
    basic_string(const basic_string& __str);
 | 
						|
    basic_string(const basic_string& __str, const allocator_type& __a);
 | 
						|
 | 
						|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string(basic_string&& __str)
 | 
						|
#if _LIBCPP_STD_VER <= 14
 | 
						|
        _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value);
 | 
						|
#else
 | 
						|
        _NOEXCEPT;
 | 
						|
#endif
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string(basic_string&& __str, const allocator_type& __a);
 | 
						|
#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 | 
						|
    _LIBCPP_INLINE_VISIBILITY basic_string(const value_type* __s);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string(const value_type* __s, const allocator_type& __a);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string(const value_type* __s, size_type __n);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string(const value_type* __s, size_type __n, const allocator_type& __a);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string(size_type __n, value_type __c);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string(size_type __n, value_type __c, const allocator_type& __a);
 | 
						|
    basic_string(const basic_string& __str, size_type __pos, size_type __n = npos,
 | 
						|
                 const allocator_type& __a = allocator_type());
 | 
						|
    template<class _InputIterator>
 | 
						|
        _LIBCPP_INLINE_VISIBILITY
 | 
						|
        basic_string(_InputIterator __first, _InputIterator __last);
 | 
						|
    template<class _InputIterator>
 | 
						|
        _LIBCPP_INLINE_VISIBILITY
 | 
						|
        basic_string(_InputIterator __first, _InputIterator __last, const allocator_type& __a);
 | 
						|
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string(initializer_list<value_type> __il);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string(initializer_list<value_type> __il, const allocator_type& __a);
 | 
						|
#endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 | 
						|
 | 
						|
    ~basic_string();
 | 
						|
 | 
						|
    basic_string& operator=(const basic_string& __str);
 | 
						|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string& operator=(basic_string&& __str)
 | 
						|
        _NOEXCEPT_((__noexcept_move_assign_container<_Allocator, __alloc_traits>::value));
 | 
						|
#endif
 | 
						|
    _LIBCPP_INLINE_VISIBILITY basic_string& operator=(const value_type* __s) {return assign(__s);}
 | 
						|
    basic_string& operator=(value_type __c);
 | 
						|
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string& operator=(initializer_list<value_type> __il) {return assign(__il.begin(), __il.size());}
 | 
						|
#endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 | 
						|
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    iterator begin() _NOEXCEPT
 | 
						|
        {return iterator(this, __get_pointer());}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    const_iterator begin() const _NOEXCEPT
 | 
						|
        {return const_iterator(this, __get_pointer());}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    iterator end() _NOEXCEPT
 | 
						|
        {return iterator(this, __get_pointer() + size());}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    const_iterator end() const _NOEXCEPT
 | 
						|
        {return const_iterator(this, __get_pointer() + size());}
 | 
						|
#else
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    iterator begin() _NOEXCEPT
 | 
						|
        {return iterator(__get_pointer());}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    const_iterator begin() const _NOEXCEPT
 | 
						|
        {return const_iterator(__get_pointer());}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    iterator end() _NOEXCEPT
 | 
						|
        {return iterator(__get_pointer() + size());}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    const_iterator end() const _NOEXCEPT
 | 
						|
        {return const_iterator(__get_pointer() + size());}
 | 
						|
#endif  // _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    reverse_iterator rbegin() _NOEXCEPT
 | 
						|
        {return reverse_iterator(end());}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    const_reverse_iterator rbegin() const _NOEXCEPT
 | 
						|
        {return const_reverse_iterator(end());}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    reverse_iterator rend() _NOEXCEPT
 | 
						|
        {return reverse_iterator(begin());}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    const_reverse_iterator rend() const _NOEXCEPT
 | 
						|
        {return const_reverse_iterator(begin());}
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    const_iterator cbegin() const _NOEXCEPT
 | 
						|
        {return begin();}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    const_iterator cend() const _NOEXCEPT
 | 
						|
        {return end();}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    const_reverse_iterator crbegin() const _NOEXCEPT
 | 
						|
        {return rbegin();}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    const_reverse_iterator crend() const _NOEXCEPT
 | 
						|
        {return rend();}
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY size_type size() const _NOEXCEPT
 | 
						|
        {return __is_long() ? __get_long_size() : __get_short_size();}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY size_type length() const _NOEXCEPT {return size();}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY size_type max_size() const _NOEXCEPT;
 | 
						|
    _LIBCPP_INLINE_VISIBILITY size_type capacity() const _NOEXCEPT
 | 
						|
        {return (__is_long() ? __get_long_cap()
 | 
						|
                             : static_cast<size_type>(__min_cap)) - 1;}
 | 
						|
 | 
						|
    void resize(size_type __n, value_type __c);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY void resize(size_type __n) {resize(__n, value_type());}
 | 
						|
 | 
						|
    void reserve(size_type res_arg = 0);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void shrink_to_fit() _NOEXCEPT {reserve();}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void clear() _NOEXCEPT;
 | 
						|
    _LIBCPP_INLINE_VISIBILITY bool empty() const _NOEXCEPT {return size() == 0;}
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY const_reference operator[](size_type __pos) const;
 | 
						|
    _LIBCPP_INLINE_VISIBILITY reference       operator[](size_type __pos);
 | 
						|
 | 
						|
    const_reference at(size_type __n) const;
 | 
						|
    reference       at(size_type __n);
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY basic_string& operator+=(const basic_string& __str) {return append(__str);}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY basic_string& operator+=(const value_type* __s)         {return append(__s);}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY basic_string& operator+=(value_type __c)            {push_back(__c); return *this;}
 | 
						|
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 | 
						|
    _LIBCPP_INLINE_VISIBILITY basic_string& operator+=(initializer_list<value_type> __il) {return append(__il);}
 | 
						|
#endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string& append(const basic_string& __str);
 | 
						|
    basic_string& append(const basic_string& __str, size_type __pos, size_type __n=npos);
 | 
						|
    basic_string& append(const value_type* __s, size_type __n);
 | 
						|
    basic_string& append(const value_type* __s);
 | 
						|
    basic_string& append(size_type __n, value_type __c);
 | 
						|
    template<class _InputIterator>
 | 
						|
        typename enable_if
 | 
						|
        <
 | 
						|
             __is_input_iterator  <_InputIterator>::value &&
 | 
						|
            !__is_forward_iterator<_InputIterator>::value,
 | 
						|
            basic_string&
 | 
						|
        >::type
 | 
						|
        append(_InputIterator __first, _InputIterator __last);
 | 
						|
    template<class _ForwardIterator>
 | 
						|
        typename enable_if
 | 
						|
        <
 | 
						|
            __is_forward_iterator<_ForwardIterator>::value,
 | 
						|
            basic_string&
 | 
						|
        >::type
 | 
						|
        append(_ForwardIterator __first, _ForwardIterator __last);
 | 
						|
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string& append(initializer_list<value_type> __il) {return append(__il.begin(), __il.size());}
 | 
						|
#endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 | 
						|
 | 
						|
    void push_back(value_type __c);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void pop_back();
 | 
						|
    _LIBCPP_INLINE_VISIBILITY reference       front();
 | 
						|
    _LIBCPP_INLINE_VISIBILITY const_reference front() const;
 | 
						|
    _LIBCPP_INLINE_VISIBILITY reference       back();
 | 
						|
    _LIBCPP_INLINE_VISIBILITY const_reference back() const;
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string& assign(const basic_string& __str);
 | 
						|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string& assign(basic_string&& str)
 | 
						|
        _NOEXCEPT_((__noexcept_move_assign_container<_Allocator, __alloc_traits>::value))
 | 
						|
        {*this = _VSTD::move(str); return *this;}
 | 
						|
#endif
 | 
						|
    basic_string& assign(const basic_string& __str, size_type __pos, size_type __n=npos);
 | 
						|
    basic_string& assign(const value_type* __s, size_type __n);
 | 
						|
    basic_string& assign(const value_type* __s);
 | 
						|
    basic_string& assign(size_type __n, value_type __c);
 | 
						|
    template<class _InputIterator>
 | 
						|
        typename enable_if
 | 
						|
        <
 | 
						|
             __is_input_iterator  <_InputIterator>::value &&
 | 
						|
            !__is_forward_iterator<_InputIterator>::value,
 | 
						|
            basic_string&
 | 
						|
        >::type
 | 
						|
        assign(_InputIterator __first, _InputIterator __last);
 | 
						|
    template<class _ForwardIterator>
 | 
						|
        typename enable_if
 | 
						|
        <
 | 
						|
            __is_forward_iterator<_ForwardIterator>::value,
 | 
						|
            basic_string&
 | 
						|
        >::type
 | 
						|
        assign(_ForwardIterator __first, _ForwardIterator __last);
 | 
						|
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string& assign(initializer_list<value_type> __il) {return assign(__il.begin(), __il.size());}
 | 
						|
#endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string& insert(size_type __pos1, const basic_string& __str);
 | 
						|
    basic_string& insert(size_type __pos1, const basic_string& __str, size_type __pos2, size_type __n=npos);
 | 
						|
    basic_string& insert(size_type __pos, const value_type* __s, size_type __n);
 | 
						|
    basic_string& insert(size_type __pos, const value_type* __s);
 | 
						|
    basic_string& insert(size_type __pos, size_type __n, value_type __c);
 | 
						|
    iterator      insert(const_iterator __pos, value_type __c);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    iterator      insert(const_iterator __pos, size_type __n, value_type __c);
 | 
						|
    template<class _InputIterator>
 | 
						|
        typename enable_if
 | 
						|
        <
 | 
						|
             __is_input_iterator  <_InputIterator>::value &&
 | 
						|
            !__is_forward_iterator<_InputIterator>::value,
 | 
						|
            iterator
 | 
						|
        >::type
 | 
						|
        insert(const_iterator __pos, _InputIterator __first, _InputIterator __last);
 | 
						|
    template<class _ForwardIterator>
 | 
						|
        typename enable_if
 | 
						|
        <
 | 
						|
            __is_forward_iterator<_ForwardIterator>::value,
 | 
						|
            iterator
 | 
						|
        >::type
 | 
						|
        insert(const_iterator __pos, _ForwardIterator __first, _ForwardIterator __last);
 | 
						|
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    iterator insert(const_iterator __pos, initializer_list<value_type> __il)
 | 
						|
                    {return insert(__pos, __il.begin(), __il.end());}
 | 
						|
#endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 | 
						|
 | 
						|
    basic_string& erase(size_type __pos = 0, size_type __n = npos);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    iterator      erase(const_iterator __pos);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    iterator      erase(const_iterator __first, const_iterator __last);
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string& replace(size_type __pos1, size_type __n1, const basic_string& __str);
 | 
						|
    basic_string& replace(size_type __pos1, size_type __n1, const basic_string& __str, size_type __pos2, size_type __n2=npos);
 | 
						|
    basic_string& replace(size_type __pos, size_type __n1, const value_type* __s, size_type __n2);
 | 
						|
    basic_string& replace(size_type __pos, size_type __n1, const value_type* __s);
 | 
						|
    basic_string& replace(size_type __pos, size_type __n1, size_type __n2, value_type __c);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string& replace(const_iterator __i1, const_iterator __i2, const basic_string& __str);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string& replace(const_iterator __i1, const_iterator __i2, const value_type* __s, size_type __n);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string& replace(const_iterator __i1, const_iterator __i2, const value_type* __s);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string& replace(const_iterator __i1, const_iterator __i2, size_type __n, value_type __c);
 | 
						|
    template<class _InputIterator>
 | 
						|
        typename enable_if
 | 
						|
        <
 | 
						|
            __is_input_iterator<_InputIterator>::value,
 | 
						|
            basic_string&
 | 
						|
        >::type
 | 
						|
        replace(const_iterator __i1, const_iterator __i2, _InputIterator __j1, _InputIterator __j2);
 | 
						|
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string& replace(const_iterator __i1, const_iterator __i2, initializer_list<value_type> __il)
 | 
						|
        {return replace(__i1, __i2, __il.begin(), __il.end());}
 | 
						|
#endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 | 
						|
 | 
						|
    size_type copy(value_type* __s, size_type __n, size_type __pos = 0) const;
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string substr(size_type __pos = 0, size_type __n = npos) const;
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void swap(basic_string& __str)
 | 
						|
#if _LIBCPP_STD_VER >= 14
 | 
						|
        _NOEXCEPT;
 | 
						|
#else
 | 
						|
        _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || 
 | 
						|
                    __is_nothrow_swappable<allocator_type>::value);
 | 
						|
#endif
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    const value_type* c_str() const _NOEXCEPT {return data();}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    const value_type* data() const _NOEXCEPT  {return _VSTD::__to_raw_pointer(__get_pointer());}
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    allocator_type get_allocator() const _NOEXCEPT {return __alloc();}
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    size_type find(const basic_string& __str, size_type __pos = 0) const _NOEXCEPT;
 | 
						|
    size_type find(const value_type* __s, size_type __pos, size_type __n) const _NOEXCEPT;
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    size_type find(const value_type* __s, size_type __pos = 0) const _NOEXCEPT;
 | 
						|
    size_type find(value_type __c, size_type __pos = 0) const _NOEXCEPT;
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    size_type rfind(const basic_string& __str, size_type __pos = npos) const _NOEXCEPT;
 | 
						|
    size_type rfind(const value_type* __s, size_type __pos, size_type __n) const _NOEXCEPT;
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    size_type rfind(const value_type* __s, size_type __pos = npos) const _NOEXCEPT;
 | 
						|
    size_type rfind(value_type __c, size_type __pos = npos) const _NOEXCEPT;
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    size_type find_first_of(const basic_string& __str, size_type __pos = 0) const _NOEXCEPT;
 | 
						|
    size_type find_first_of(const value_type* __s, size_type __pos, size_type __n) const _NOEXCEPT;
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    size_type find_first_of(const value_type* __s, size_type __pos = 0) const _NOEXCEPT;
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    size_type find_first_of(value_type __c, size_type __pos = 0) const _NOEXCEPT;
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    size_type find_last_of(const basic_string& __str, size_type __pos = npos) const _NOEXCEPT;
 | 
						|
    size_type find_last_of(const value_type* __s, size_type __pos, size_type __n) const _NOEXCEPT;
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    size_type find_last_of(const value_type* __s, size_type __pos = npos) const _NOEXCEPT;
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    size_type find_last_of(value_type __c, size_type __pos = npos) const _NOEXCEPT;
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    size_type find_first_not_of(const basic_string& __str, size_type __pos = 0) const _NOEXCEPT;
 | 
						|
    size_type find_first_not_of(const value_type* __s, size_type __pos, size_type __n) const _NOEXCEPT;
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    size_type find_first_not_of(const value_type* __s, size_type __pos = 0) const _NOEXCEPT;
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    size_type find_first_not_of(value_type __c, size_type __pos = 0) const _NOEXCEPT;
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    size_type find_last_not_of(const basic_string& __str, size_type __pos = npos) const _NOEXCEPT;
 | 
						|
    size_type find_last_not_of(const value_type* __s, size_type __pos, size_type __n) const _NOEXCEPT;
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    size_type find_last_not_of(const value_type* __s, size_type __pos = npos) const _NOEXCEPT;
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    size_type find_last_not_of(value_type __c, size_type __pos = npos) const _NOEXCEPT;
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    int compare(const basic_string& __str) const _NOEXCEPT;
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    int compare(size_type __pos1, size_type __n1, const basic_string& __str) const;
 | 
						|
    int compare(size_type __pos1, size_type __n1, const basic_string& __str, size_type __pos2, size_type __n2=npos) const;
 | 
						|
    int compare(const value_type* __s) const _NOEXCEPT;
 | 
						|
    int compare(size_type __pos1, size_type __n1, const value_type* __s) const;
 | 
						|
    int compare(size_type __pos1, size_type __n1, const value_type* __s, size_type __n2) const;
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY bool __invariants() const;
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    bool __is_long() const _NOEXCEPT
 | 
						|
        {return bool(__r_.first().__s.__size_ & __short_mask);}
 | 
						|
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
 | 
						|
    bool __dereferenceable(const const_iterator* __i) const;
 | 
						|
    bool __decrementable(const const_iterator* __i) const;
 | 
						|
    bool __addable(const const_iterator* __i, ptrdiff_t __n) const;
 | 
						|
    bool __subscriptable(const const_iterator* __i, ptrdiff_t __n) const;
 | 
						|
 | 
						|
#endif  // _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
 | 
						|
private:
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    allocator_type& __alloc() _NOEXCEPT
 | 
						|
        {return __r_.second();}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    const allocator_type& __alloc() const _NOEXCEPT
 | 
						|
        {return __r_.second();}
 | 
						|
 | 
						|
#ifdef _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void __set_short_size(size_type __s) _NOEXCEPT
 | 
						|
#   if _LIBCPP_BIG_ENDIAN
 | 
						|
        {__r_.first().__s.__size_ = (unsigned char)(__s << 1);}
 | 
						|
#   else
 | 
						|
        {__r_.first().__s.__size_ = (unsigned char)(__s);}
 | 
						|
#   endif
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    size_type __get_short_size() const _NOEXCEPT
 | 
						|
#   if _LIBCPP_BIG_ENDIAN
 | 
						|
        {return __r_.first().__s.__size_ >> 1;}
 | 
						|
#   else
 | 
						|
        {return __r_.first().__s.__size_;}
 | 
						|
#   endif
 | 
						|
 | 
						|
#else  // _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void __set_short_size(size_type __s) _NOEXCEPT
 | 
						|
#   if _LIBCPP_BIG_ENDIAN
 | 
						|
        {__r_.first().__s.__size_ = (unsigned char)(__s);}
 | 
						|
#   else
 | 
						|
        {__r_.first().__s.__size_ = (unsigned char)(__s << 1);}
 | 
						|
#   endif
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    size_type __get_short_size() const _NOEXCEPT
 | 
						|
#   if _LIBCPP_BIG_ENDIAN
 | 
						|
        {return __r_.first().__s.__size_;}
 | 
						|
#   else
 | 
						|
        {return __r_.first().__s.__size_ >> 1;}
 | 
						|
#   endif
 | 
						|
 | 
						|
#endif  // _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void __set_long_size(size_type __s) _NOEXCEPT
 | 
						|
        {__r_.first().__l.__size_ = __s;}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    size_type __get_long_size() const _NOEXCEPT
 | 
						|
        {return __r_.first().__l.__size_;}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void __set_size(size_type __s) _NOEXCEPT
 | 
						|
        {if (__is_long()) __set_long_size(__s); else __set_short_size(__s);}
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void __set_long_cap(size_type __s) _NOEXCEPT
 | 
						|
        {__r_.first().__l.__cap_  = __long_mask | __s;}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    size_type __get_long_cap() const _NOEXCEPT
 | 
						|
        {return __r_.first().__l.__cap_ & size_type(~__long_mask);}
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void __set_long_pointer(pointer __p) _NOEXCEPT
 | 
						|
        {__r_.first().__l.__data_ = __p;}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    pointer __get_long_pointer() _NOEXCEPT
 | 
						|
        {return __r_.first().__l.__data_;}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    const_pointer __get_long_pointer() const _NOEXCEPT
 | 
						|
        {return __r_.first().__l.__data_;}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    pointer __get_short_pointer() _NOEXCEPT
 | 
						|
        {return pointer_traits<pointer>::pointer_to(__r_.first().__s.__data_[0]);}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    const_pointer __get_short_pointer() const _NOEXCEPT
 | 
						|
        {return pointer_traits<const_pointer>::pointer_to(__r_.first().__s.__data_[0]);}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    pointer __get_pointer() _NOEXCEPT
 | 
						|
        {return __is_long() ? __get_long_pointer() : __get_short_pointer();}
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    const_pointer __get_pointer() const _NOEXCEPT
 | 
						|
        {return __is_long() ? __get_long_pointer() : __get_short_pointer();}
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void __zero() _NOEXCEPT
 | 
						|
        {
 | 
						|
            size_type (&__a)[__n_words] = __r_.first().__r.__words;
 | 
						|
            for (unsigned __i = 0; __i < __n_words; ++__i)
 | 
						|
                __a[__i] = 0;
 | 
						|
        }
 | 
						|
 | 
						|
    template <size_type __a> static
 | 
						|
        _LIBCPP_INLINE_VISIBILITY
 | 
						|
        size_type __align_it(size_type __s) _NOEXCEPT
 | 
						|
            {return (__s + (__a-1)) & ~(__a-1);}
 | 
						|
    enum {__alignment = 16};
 | 
						|
    static _LIBCPP_INLINE_VISIBILITY
 | 
						|
    size_type __recommend(size_type __s) _NOEXCEPT
 | 
						|
        {return (__s < __min_cap ? static_cast<size_type>(__min_cap) :
 | 
						|
                 __align_it<sizeof(value_type) < __alignment ?
 | 
						|
                            __alignment/sizeof(value_type) : 1 > (__s+1)) - 1;}
 | 
						|
 | 
						|
    void __init(const value_type* __s, size_type __sz, size_type __reserve);
 | 
						|
    void __init(const value_type* __s, size_type __sz);
 | 
						|
    void __init(size_type __n, value_type __c);
 | 
						|
 | 
						|
    template <class _InputIterator>
 | 
						|
    typename enable_if
 | 
						|
    <
 | 
						|
         __is_input_iterator  <_InputIterator>::value &&
 | 
						|
        !__is_forward_iterator<_InputIterator>::value,
 | 
						|
        void
 | 
						|
    >::type
 | 
						|
    __init(_InputIterator __first, _InputIterator __last);
 | 
						|
 | 
						|
    template <class _ForwardIterator>
 | 
						|
    typename enable_if
 | 
						|
    <
 | 
						|
        __is_forward_iterator<_ForwardIterator>::value,
 | 
						|
        void
 | 
						|
    >::type
 | 
						|
    __init(_ForwardIterator __first, _ForwardIterator __last);
 | 
						|
 | 
						|
    void __grow_by(size_type __old_cap, size_type __delta_cap, size_type __old_sz,
 | 
						|
                   size_type __n_copy,  size_type __n_del,     size_type __n_add = 0);
 | 
						|
    void __grow_by_and_replace(size_type __old_cap, size_type __delta_cap, size_type __old_sz,
 | 
						|
                               size_type __n_copy,  size_type __n_del,
 | 
						|
                               size_type __n_add, const value_type* __p_new_stuff);
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void __erase_to_end(size_type __pos);
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void __copy_assign_alloc(const basic_string& __str)
 | 
						|
        {__copy_assign_alloc(__str, integral_constant<bool,
 | 
						|
                      __alloc_traits::propagate_on_container_copy_assignment::value>());}
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void __copy_assign_alloc(const basic_string& __str, true_type)
 | 
						|
        {
 | 
						|
            if (__alloc() != __str.__alloc())
 | 
						|
            {
 | 
						|
                clear();
 | 
						|
                shrink_to_fit();
 | 
						|
            }
 | 
						|
            __alloc() = __str.__alloc();
 | 
						|
        }
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void __copy_assign_alloc(const basic_string&, false_type) _NOEXCEPT
 | 
						|
        {}
 | 
						|
 | 
						|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void __move_assign(basic_string& __str, false_type)
 | 
						|
        _NOEXCEPT_(__alloc_traits::is_always_equal::value);
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void __move_assign(basic_string& __str, true_type)
 | 
						|
#if _LIBCPP_STD_VER > 14
 | 
						|
        _NOEXCEPT;
 | 
						|
#else
 | 
						|
        _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value);
 | 
						|
#endif
 | 
						|
#endif
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void
 | 
						|
    __move_assign_alloc(basic_string& __str)
 | 
						|
        _NOEXCEPT_(
 | 
						|
            !__alloc_traits::propagate_on_container_move_assignment::value ||
 | 
						|
            is_nothrow_move_assignable<allocator_type>::value)
 | 
						|
    {__move_assign_alloc(__str, integral_constant<bool,
 | 
						|
                      __alloc_traits::propagate_on_container_move_assignment::value>());}
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void __move_assign_alloc(basic_string& __c, true_type)
 | 
						|
        _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value)
 | 
						|
        {
 | 
						|
            __alloc() = _VSTD::move(__c.__alloc());
 | 
						|
        }
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void __move_assign_alloc(basic_string&, false_type)
 | 
						|
        _NOEXCEPT
 | 
						|
        {}
 | 
						|
 | 
						|
    _LIBCPP_INLINE_VISIBILITY void __invalidate_all_iterators();
 | 
						|
    _LIBCPP_INLINE_VISIBILITY void __invalidate_iterators_past(size_type);
 | 
						|
 | 
						|
    friend basic_string operator+<>(const basic_string&, const basic_string&);
 | 
						|
    friend basic_string operator+<>(const value_type*, const basic_string&);
 | 
						|
    friend basic_string operator+<>(value_type, const basic_string&);
 | 
						|
    friend basic_string operator+<>(const basic_string&, const value_type*);
 | 
						|
    friend basic_string operator+<>(const basic_string&, value_type);
 | 
						|
};
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
void
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::__invalidate_all_iterators()
 | 
						|
{
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    __get_db()->__invalidate_all(this);
 | 
						|
#endif  // _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
void
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::__invalidate_iterators_past(size_type
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
                                                                        __pos
 | 
						|
#endif
 | 
						|
                                                                      )
 | 
						|
{
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    __c_node* __c = __get_db()->__find_c_and_lock(this);
 | 
						|
    if (__c)
 | 
						|
    {
 | 
						|
        const_pointer __new_last = __get_pointer() + __pos;
 | 
						|
        for (__i_node** __p = __c->end_; __p != __c->beg_; )
 | 
						|
        {
 | 
						|
            --__p;
 | 
						|
            const_iterator* __i = static_cast<const_iterator*>((*__p)->__i_);
 | 
						|
            if (__i->base() > __new_last)
 | 
						|
            {
 | 
						|
                (*__p)->__c_ = nullptr;
 | 
						|
                if (--__c->end_ != __p)
 | 
						|
                    memmove(__p, __p+1, (__c->end_ - __p)*sizeof(__i_node*));
 | 
						|
            }
 | 
						|
        }
 | 
						|
        __get_db()->unlock();
 | 
						|
    }
 | 
						|
#endif  // _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::basic_string()
 | 
						|
    _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value)
 | 
						|
{
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    __get_db()->__insert_c(this);
 | 
						|
#endif
 | 
						|
    __zero();
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::basic_string(const allocator_type& __a)
 | 
						|
#if _LIBCPP_STD_VER <= 14
 | 
						|
        _NOEXCEPT_(is_nothrow_copy_constructible<allocator_type>::value)
 | 
						|
#else
 | 
						|
        _NOEXCEPT
 | 
						|
#endif
 | 
						|
: __r_(__a)
 | 
						|
{
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    __get_db()->__insert_c(this);
 | 
						|
#endif
 | 
						|
    __zero();
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
void
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::__init(const value_type* __s, size_type __sz, size_type __reserve)
 | 
						|
{
 | 
						|
    if (__reserve > max_size())
 | 
						|
        this->__throw_length_error();
 | 
						|
    pointer __p;
 | 
						|
    if (__reserve < __min_cap)
 | 
						|
    {
 | 
						|
        __set_short_size(__sz);
 | 
						|
        __p = __get_short_pointer();
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        size_type __cap = __recommend(__reserve);
 | 
						|
        __p = __alloc_traits::allocate(__alloc(), __cap+1);
 | 
						|
        __set_long_pointer(__p);
 | 
						|
        __set_long_cap(__cap+1);
 | 
						|
        __set_long_size(__sz);
 | 
						|
    }
 | 
						|
    traits_type::copy(_VSTD::__to_raw_pointer(__p), __s, __sz);
 | 
						|
    traits_type::assign(__p[__sz], value_type());
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
void
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::__init(const value_type* __s, size_type __sz)
 | 
						|
{
 | 
						|
    if (__sz > max_size())
 | 
						|
        this->__throw_length_error();
 | 
						|
    pointer __p;
 | 
						|
    if (__sz < __min_cap)
 | 
						|
    {
 | 
						|
        __set_short_size(__sz);
 | 
						|
        __p = __get_short_pointer();
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        size_type __cap = __recommend(__sz);
 | 
						|
        __p = __alloc_traits::allocate(__alloc(), __cap+1);
 | 
						|
        __set_long_pointer(__p);
 | 
						|
        __set_long_cap(__cap+1);
 | 
						|
        __set_long_size(__sz);
 | 
						|
    }
 | 
						|
    traits_type::copy(_VSTD::__to_raw_pointer(__p), __s, __sz);
 | 
						|
    traits_type::assign(__p[__sz], value_type());
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::basic_string(const value_type* __s)
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__s != nullptr, "basic_string(const char*) detected nullptr");
 | 
						|
    __init(__s, traits_type::length(__s));
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    __get_db()->__insert_c(this);
 | 
						|
#endif
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::basic_string(const value_type* __s, const allocator_type& __a)
 | 
						|
    : __r_(__a)
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__s != nullptr, "basic_string(const char*, allocator) detected nullptr");
 | 
						|
    __init(__s, traits_type::length(__s));
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    __get_db()->__insert_c(this);
 | 
						|
#endif
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::basic_string(const value_type* __s, size_type __n)
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "basic_string(const char*, n) detected nullptr");
 | 
						|
    __init(__s, __n);
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    __get_db()->__insert_c(this);
 | 
						|
#endif
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::basic_string(const value_type* __s, size_type __n, const allocator_type& __a)
 | 
						|
    : __r_(__a)
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "basic_string(const char*, n, allocator) detected nullptr");
 | 
						|
    __init(__s, __n);
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    __get_db()->__insert_c(this);
 | 
						|
#endif
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::basic_string(const basic_string& __str)
 | 
						|
    : __r_(__alloc_traits::select_on_container_copy_construction(__str.__alloc()))
 | 
						|
{
 | 
						|
    if (!__str.__is_long())
 | 
						|
        __r_.first().__r = __str.__r_.first().__r;
 | 
						|
    else
 | 
						|
        __init(_VSTD::__to_raw_pointer(__str.__get_long_pointer()), __str.__get_long_size());
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    __get_db()->__insert_c(this);
 | 
						|
#endif
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::basic_string(const basic_string& __str, const allocator_type& __a)
 | 
						|
    : __r_(__a)
 | 
						|
{
 | 
						|
    if (!__str.__is_long())
 | 
						|
        __r_.first().__r = __str.__r_.first().__r;
 | 
						|
    else
 | 
						|
        __init(_VSTD::__to_raw_pointer(__str.__get_long_pointer()), __str.__get_long_size());
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    __get_db()->__insert_c(this);
 | 
						|
#endif
 | 
						|
}
 | 
						|
 | 
						|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::basic_string(basic_string&& __str)
 | 
						|
#if _LIBCPP_STD_VER <= 14
 | 
						|
        _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value)
 | 
						|
#else
 | 
						|
        _NOEXCEPT
 | 
						|
#endif
 | 
						|
    : __r_(_VSTD::move(__str.__r_))
 | 
						|
{
 | 
						|
    __str.__zero();
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    __get_db()->__insert_c(this);
 | 
						|
    if (__is_long())
 | 
						|
        __get_db()->swap(this, &__str);
 | 
						|
#endif
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::basic_string(basic_string&& __str, const allocator_type& __a)
 | 
						|
    : __r_(__a)
 | 
						|
{
 | 
						|
    if (__str.__is_long() && __a != __str.__alloc()) // copy, not move
 | 
						|
        __init(_VSTD::__to_raw_pointer(__str.__get_long_pointer()), __str.__get_long_size());
 | 
						|
    else
 | 
						|
    {
 | 
						|
        __r_.first().__r = __str.__r_.first().__r;
 | 
						|
        __str.__zero();
 | 
						|
    }
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    __get_db()->__insert_c(this);
 | 
						|
    if (__is_long())
 | 
						|
        __get_db()->swap(this, &__str);
 | 
						|
#endif
 | 
						|
}
 | 
						|
 | 
						|
#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
void
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::__init(size_type __n, value_type __c)
 | 
						|
{
 | 
						|
    if (__n > max_size())
 | 
						|
        this->__throw_length_error();
 | 
						|
    pointer __p;
 | 
						|
    if (__n < __min_cap)
 | 
						|
    {
 | 
						|
        __set_short_size(__n);
 | 
						|
        __p = __get_short_pointer();
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        size_type __cap = __recommend(__n);
 | 
						|
        __p = __alloc_traits::allocate(__alloc(), __cap+1);
 | 
						|
        __set_long_pointer(__p);
 | 
						|
        __set_long_cap(__cap+1);
 | 
						|
        __set_long_size(__n);
 | 
						|
    }
 | 
						|
    traits_type::assign(_VSTD::__to_raw_pointer(__p), __n, __c);
 | 
						|
    traits_type::assign(__p[__n], value_type());
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::basic_string(size_type __n, value_type __c)
 | 
						|
{
 | 
						|
    __init(__n, __c);
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    __get_db()->__insert_c(this);
 | 
						|
#endif
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::basic_string(size_type __n, value_type __c, const allocator_type& __a)
 | 
						|
    : __r_(__a)
 | 
						|
{
 | 
						|
    __init(__n, __c);
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    __get_db()->__insert_c(this);
 | 
						|
#endif
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::basic_string(const basic_string& __str, size_type __pos, size_type __n,
 | 
						|
                                                        const allocator_type& __a)
 | 
						|
    : __r_(__a)
 | 
						|
{
 | 
						|
    size_type __str_sz = __str.size();
 | 
						|
    if (__pos > __str_sz)
 | 
						|
        this->__throw_out_of_range();
 | 
						|
    __init(__str.data() + __pos, _VSTD::min(__n, __str_sz - __pos));
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    __get_db()->__insert_c(this);
 | 
						|
#endif
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
template <class _InputIterator>
 | 
						|
typename enable_if
 | 
						|
<
 | 
						|
     __is_input_iterator  <_InputIterator>::value &&
 | 
						|
    !__is_forward_iterator<_InputIterator>::value,
 | 
						|
    void
 | 
						|
>::type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::__init(_InputIterator __first, _InputIterator __last)
 | 
						|
{
 | 
						|
    __zero();
 | 
						|
#ifndef _LIBCPP_NO_EXCEPTIONS
 | 
						|
    try
 | 
						|
    {
 | 
						|
#endif  // _LIBCPP_NO_EXCEPTIONS
 | 
						|
    for (; __first != __last; ++__first)
 | 
						|
        push_back(*__first);
 | 
						|
#ifndef _LIBCPP_NO_EXCEPTIONS
 | 
						|
    }
 | 
						|
    catch (...)
 | 
						|
    {
 | 
						|
        if (__is_long())
 | 
						|
            __alloc_traits::deallocate(__alloc(), __get_long_pointer(), __get_long_cap());
 | 
						|
        throw;
 | 
						|
    }
 | 
						|
#endif  // _LIBCPP_NO_EXCEPTIONS
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
template <class _ForwardIterator>
 | 
						|
typename enable_if
 | 
						|
<
 | 
						|
    __is_forward_iterator<_ForwardIterator>::value,
 | 
						|
    void
 | 
						|
>::type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::__init(_ForwardIterator __first, _ForwardIterator __last)
 | 
						|
{
 | 
						|
    size_type __sz = static_cast<size_type>(_VSTD::distance(__first, __last));
 | 
						|
    if (__sz > max_size())
 | 
						|
        this->__throw_length_error();
 | 
						|
    pointer __p;
 | 
						|
    if (__sz < __min_cap)
 | 
						|
    {
 | 
						|
        __set_short_size(__sz);
 | 
						|
        __p = __get_short_pointer();
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        size_type __cap = __recommend(__sz);
 | 
						|
        __p = __alloc_traits::allocate(__alloc(), __cap+1);
 | 
						|
        __set_long_pointer(__p);
 | 
						|
        __set_long_cap(__cap+1);
 | 
						|
        __set_long_size(__sz);
 | 
						|
    }
 | 
						|
    for (; __first != __last; ++__first, (void) ++__p)
 | 
						|
        traits_type::assign(*__p, *__first);
 | 
						|
    traits_type::assign(*__p, value_type());
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
template<class _InputIterator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::basic_string(_InputIterator __first, _InputIterator __last)
 | 
						|
{
 | 
						|
    __init(__first, __last);
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    __get_db()->__insert_c(this);
 | 
						|
#endif
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
template<class _InputIterator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::basic_string(_InputIterator __first, _InputIterator __last,
 | 
						|
                                                        const allocator_type& __a)
 | 
						|
    : __r_(__a)
 | 
						|
{
 | 
						|
    __init(__first, __last);
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    __get_db()->__insert_c(this);
 | 
						|
#endif
 | 
						|
}
 | 
						|
 | 
						|
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::basic_string(initializer_list<value_type> __il)
 | 
						|
{
 | 
						|
    __init(__il.begin(), __il.end());
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    __get_db()->__insert_c(this);
 | 
						|
#endif
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::basic_string(initializer_list<value_type> __il, const allocator_type& __a)
 | 
						|
    : __r_(__a)
 | 
						|
{
 | 
						|
    __init(__il.begin(), __il.end());
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    __get_db()->__insert_c(this);
 | 
						|
#endif
 | 
						|
}
 | 
						|
 | 
						|
#endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::~basic_string()
 | 
						|
{
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    __get_db()->__erase_c(this);
 | 
						|
#endif
 | 
						|
    if (__is_long())
 | 
						|
        __alloc_traits::deallocate(__alloc(), __get_long_pointer(), __get_long_cap());
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
void
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::__grow_by_and_replace
 | 
						|
    (size_type __old_cap, size_type __delta_cap, size_type __old_sz,
 | 
						|
     size_type __n_copy,  size_type __n_del,     size_type __n_add, const value_type* __p_new_stuff)
 | 
						|
{
 | 
						|
    size_type __ms = max_size();
 | 
						|
    if (__delta_cap > __ms - __old_cap - 1)
 | 
						|
        this->__throw_length_error();
 | 
						|
    pointer __old_p = __get_pointer();
 | 
						|
    size_type __cap = __old_cap < __ms / 2 - __alignment ?
 | 
						|
                          __recommend(_VSTD::max(__old_cap + __delta_cap, 2 * __old_cap)) :
 | 
						|
                          __ms - 1;
 | 
						|
    pointer __p = __alloc_traits::allocate(__alloc(), __cap+1);
 | 
						|
    __invalidate_all_iterators();
 | 
						|
    if (__n_copy != 0)
 | 
						|
        traits_type::copy(_VSTD::__to_raw_pointer(__p),
 | 
						|
                          _VSTD::__to_raw_pointer(__old_p), __n_copy);
 | 
						|
    if (__n_add != 0)
 | 
						|
        traits_type::copy(_VSTD::__to_raw_pointer(__p) + __n_copy, __p_new_stuff, __n_add);
 | 
						|
    size_type __sec_cp_sz = __old_sz - __n_del - __n_copy;
 | 
						|
    if (__sec_cp_sz != 0)
 | 
						|
        traits_type::copy(_VSTD::__to_raw_pointer(__p) + __n_copy + __n_add,
 | 
						|
                          _VSTD::__to_raw_pointer(__old_p) + __n_copy + __n_del, __sec_cp_sz);
 | 
						|
    if (__old_cap+1 != __min_cap)
 | 
						|
        __alloc_traits::deallocate(__alloc(), __old_p, __old_cap+1);
 | 
						|
    __set_long_pointer(__p);
 | 
						|
    __set_long_cap(__cap+1);
 | 
						|
    __old_sz = __n_copy + __n_add + __sec_cp_sz;
 | 
						|
    __set_long_size(__old_sz);
 | 
						|
    traits_type::assign(__p[__old_sz], value_type());
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
void
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::__grow_by(size_type __old_cap, size_type __delta_cap, size_type __old_sz,
 | 
						|
                                                     size_type __n_copy,  size_type __n_del,     size_type __n_add)
 | 
						|
{
 | 
						|
    size_type __ms = max_size();
 | 
						|
    if (__delta_cap > __ms - __old_cap)
 | 
						|
        this->__throw_length_error();
 | 
						|
    pointer __old_p = __get_pointer();
 | 
						|
    size_type __cap = __old_cap < __ms / 2 - __alignment ?
 | 
						|
                          __recommend(_VSTD::max(__old_cap + __delta_cap, 2 * __old_cap)) :
 | 
						|
                          __ms - 1;
 | 
						|
    pointer __p = __alloc_traits::allocate(__alloc(), __cap+1);
 | 
						|
    __invalidate_all_iterators();
 | 
						|
    if (__n_copy != 0)
 | 
						|
        traits_type::copy(_VSTD::__to_raw_pointer(__p),
 | 
						|
                          _VSTD::__to_raw_pointer(__old_p), __n_copy);
 | 
						|
    size_type __sec_cp_sz = __old_sz - __n_del - __n_copy;
 | 
						|
    if (__sec_cp_sz != 0)
 | 
						|
        traits_type::copy(_VSTD::__to_raw_pointer(__p) + __n_copy + __n_add,
 | 
						|
                          _VSTD::__to_raw_pointer(__old_p) + __n_copy + __n_del,
 | 
						|
                          __sec_cp_sz);
 | 
						|
    if (__old_cap+1 != __min_cap)
 | 
						|
        __alloc_traits::deallocate(__alloc(), __old_p, __old_cap+1);
 | 
						|
    __set_long_pointer(__p);
 | 
						|
    __set_long_cap(__cap+1);
 | 
						|
}
 | 
						|
 | 
						|
// assign
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::assign(const value_type* __s, size_type __n)
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string::assign received nullptr");
 | 
						|
    size_type __cap = capacity();
 | 
						|
    if (__cap >= __n)
 | 
						|
    {
 | 
						|
        value_type* __p = _VSTD::__to_raw_pointer(__get_pointer());
 | 
						|
        traits_type::move(__p, __s, __n);
 | 
						|
        traits_type::assign(__p[__n], value_type());
 | 
						|
        __set_size(__n);
 | 
						|
        __invalidate_iterators_past(__n);
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        size_type __sz = size();
 | 
						|
        __grow_by_and_replace(__cap, __n - __cap, __sz, 0, __sz, __n, __s);
 | 
						|
    }
 | 
						|
    return *this;
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::assign(size_type __n, value_type __c)
 | 
						|
{
 | 
						|
    size_type __cap = capacity();
 | 
						|
    if (__cap < __n)
 | 
						|
    {
 | 
						|
        size_type __sz = size();
 | 
						|
        __grow_by(__cap, __n - __cap, __sz, 0, __sz);
 | 
						|
    }
 | 
						|
    else
 | 
						|
        __invalidate_iterators_past(__n);
 | 
						|
    value_type* __p = _VSTD::__to_raw_pointer(__get_pointer());
 | 
						|
    traits_type::assign(__p, __n, __c);
 | 
						|
    traits_type::assign(__p[__n], value_type());
 | 
						|
    __set_size(__n);
 | 
						|
    return *this;
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::operator=(value_type __c)
 | 
						|
{
 | 
						|
    pointer __p;
 | 
						|
    if (__is_long())
 | 
						|
    {
 | 
						|
        __p = __get_long_pointer();
 | 
						|
        __set_long_size(1);
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        __p = __get_short_pointer();
 | 
						|
        __set_short_size(1);
 | 
						|
    }
 | 
						|
    traits_type::assign(*__p, __c);
 | 
						|
    traits_type::assign(*++__p, value_type());
 | 
						|
    __invalidate_iterators_past(1);
 | 
						|
    return *this;
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::operator=(const basic_string& __str)
 | 
						|
{
 | 
						|
    if (this != &__str)
 | 
						|
    {
 | 
						|
        __copy_assign_alloc(__str);
 | 
						|
        assign(__str);
 | 
						|
    }
 | 
						|
    return *this;
 | 
						|
}
 | 
						|
 | 
						|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
void
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::__move_assign(basic_string& __str, false_type)
 | 
						|
    _NOEXCEPT_(__alloc_traits::is_always_equal::value)
 | 
						|
{
 | 
						|
    if (__alloc() != __str.__alloc())
 | 
						|
        assign(__str);
 | 
						|
    else
 | 
						|
        __move_assign(__str, true_type());
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
void
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::__move_assign(basic_string& __str, true_type)
 | 
						|
#if _LIBCPP_STD_VER > 14
 | 
						|
    _NOEXCEPT
 | 
						|
#else
 | 
						|
    _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value)
 | 
						|
#endif
 | 
						|
{
 | 
						|
    clear();
 | 
						|
    shrink_to_fit();
 | 
						|
    __r_.first() = __str.__r_.first();
 | 
						|
    __move_assign_alloc(__str);
 | 
						|
    __str.__zero();
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::operator=(basic_string&& __str)
 | 
						|
    _NOEXCEPT_((__noexcept_move_assign_container<_Allocator, __alloc_traits>::value))
 | 
						|
{
 | 
						|
    __move_assign(__str, integral_constant<bool,
 | 
						|
          __alloc_traits::propagate_on_container_move_assignment::value>());
 | 
						|
    return *this;
 | 
						|
}
 | 
						|
 | 
						|
#endif
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
template<class _InputIterator>
 | 
						|
typename enable_if
 | 
						|
<
 | 
						|
     __is_input_iterator  <_InputIterator>::value &&
 | 
						|
    !__is_forward_iterator<_InputIterator>::value,
 | 
						|
    basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
>::type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::assign(_InputIterator __first, _InputIterator __last)
 | 
						|
{
 | 
						|
    clear();
 | 
						|
    for (; __first != __last; ++__first)
 | 
						|
        push_back(*__first);
 | 
						|
    return *this;
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
template<class _ForwardIterator>
 | 
						|
typename enable_if
 | 
						|
<
 | 
						|
    __is_forward_iterator<_ForwardIterator>::value,
 | 
						|
    basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
>::type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::assign(_ForwardIterator __first, _ForwardIterator __last)
 | 
						|
{
 | 
						|
    size_type __n = static_cast<size_type>(_VSTD::distance(__first, __last));
 | 
						|
    size_type __cap = capacity();
 | 
						|
    if (__cap < __n)
 | 
						|
    {
 | 
						|
        size_type __sz = size();
 | 
						|
        __grow_by(__cap, __n - __cap, __sz, 0, __sz);
 | 
						|
    }
 | 
						|
    else
 | 
						|
        __invalidate_iterators_past(__n);
 | 
						|
    pointer __p = __get_pointer();
 | 
						|
    for (; __first != __last; ++__first, ++__p)
 | 
						|
        traits_type::assign(*__p, *__first);
 | 
						|
    traits_type::assign(*__p, value_type());
 | 
						|
    __set_size(__n);
 | 
						|
    return *this;
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::assign(const basic_string& __str)
 | 
						|
{
 | 
						|
    return assign(__str.data(), __str.size());
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::assign(const basic_string& __str, size_type __pos, size_type __n)
 | 
						|
{
 | 
						|
    size_type __sz = __str.size();
 | 
						|
    if (__pos > __sz)
 | 
						|
        this->__throw_out_of_range();
 | 
						|
    return assign(__str.data() + __pos, _VSTD::min(__n, __sz - __pos));
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::assign(const value_type* __s)
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__s != nullptr, "string::assign received nullptr");
 | 
						|
    return assign(__s, traits_type::length(__s));
 | 
						|
}
 | 
						|
 | 
						|
// append
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::append(const value_type* __s, size_type __n)
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string::append received nullptr");
 | 
						|
    size_type __cap = capacity();
 | 
						|
    size_type __sz = size();
 | 
						|
    if (__cap - __sz >= __n)
 | 
						|
    {
 | 
						|
        if (__n)
 | 
						|
        {
 | 
						|
            value_type* __p = _VSTD::__to_raw_pointer(__get_pointer());
 | 
						|
            traits_type::copy(__p + __sz, __s, __n);
 | 
						|
            __sz += __n;
 | 
						|
            __set_size(__sz);
 | 
						|
            traits_type::assign(__p[__sz], value_type());
 | 
						|
        }
 | 
						|
    }
 | 
						|
    else
 | 
						|
        __grow_by_and_replace(__cap, __sz + __n - __cap, __sz, __sz, 0, __n, __s);
 | 
						|
    return *this;
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::append(size_type __n, value_type __c)
 | 
						|
{
 | 
						|
    if (__n)
 | 
						|
    {
 | 
						|
        size_type __cap = capacity();
 | 
						|
        size_type __sz = size();
 | 
						|
        if (__cap - __sz < __n)
 | 
						|
            __grow_by(__cap, __sz + __n - __cap, __sz, __sz, 0);
 | 
						|
        pointer __p = __get_pointer();
 | 
						|
        traits_type::assign(_VSTD::__to_raw_pointer(__p) + __sz, __n, __c);
 | 
						|
        __sz += __n;
 | 
						|
        __set_size(__sz);
 | 
						|
        traits_type::assign(__p[__sz], value_type());
 | 
						|
    }
 | 
						|
    return *this;
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
void
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::push_back(value_type __c)
 | 
						|
{
 | 
						|
    bool __is_short = !__is_long();
 | 
						|
    size_type __cap;
 | 
						|
    size_type __sz;
 | 
						|
    if (__is_short)
 | 
						|
    {
 | 
						|
        __cap = __min_cap - 1;
 | 
						|
        __sz = __get_short_size();
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        __cap = __get_long_cap() - 1;
 | 
						|
        __sz = __get_long_size();
 | 
						|
    }
 | 
						|
    if (__sz == __cap)
 | 
						|
    {
 | 
						|
        __grow_by(__cap, 1, __sz, __sz, 0);
 | 
						|
        __is_short = !__is_long();
 | 
						|
    }
 | 
						|
    pointer __p;
 | 
						|
    if (__is_short)
 | 
						|
    {
 | 
						|
        __p = __get_short_pointer() + __sz;
 | 
						|
        __set_short_size(__sz+1);
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        __p = __get_long_pointer() + __sz;
 | 
						|
        __set_long_size(__sz+1);
 | 
						|
    }
 | 
						|
    traits_type::assign(*__p, __c);
 | 
						|
    traits_type::assign(*++__p, value_type());
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
template<class _InputIterator>
 | 
						|
typename enable_if
 | 
						|
<
 | 
						|
     __is_input_iterator  <_InputIterator>::value &&
 | 
						|
    !__is_forward_iterator<_InputIterator>::value,
 | 
						|
    basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
>::type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::append(_InputIterator __first, _InputIterator __last)
 | 
						|
{
 | 
						|
    for (; __first != __last; ++__first)
 | 
						|
        push_back(*__first);
 | 
						|
    return *this;
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
template<class _ForwardIterator>
 | 
						|
typename enable_if
 | 
						|
<
 | 
						|
    __is_forward_iterator<_ForwardIterator>::value,
 | 
						|
    basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
>::type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::append(_ForwardIterator __first, _ForwardIterator __last)
 | 
						|
{
 | 
						|
    size_type __sz = size();
 | 
						|
    size_type __cap = capacity();
 | 
						|
    size_type __n = static_cast<size_type>(_VSTD::distance(__first, __last));
 | 
						|
    if (__n)
 | 
						|
    {
 | 
						|
        if (__cap - __sz < __n)
 | 
						|
            __grow_by(__cap, __sz + __n - __cap, __sz, __sz, 0);
 | 
						|
        pointer __p = __get_pointer() + __sz;
 | 
						|
        for (; __first != __last; ++__p, ++__first)
 | 
						|
            traits_type::assign(*__p, *__first);
 | 
						|
        traits_type::assign(*__p, value_type());
 | 
						|
        __set_size(__sz + __n);
 | 
						|
    }
 | 
						|
    return *this;
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::append(const basic_string& __str)
 | 
						|
{
 | 
						|
    return append(__str.data(), __str.size());
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::append(const basic_string& __str, size_type __pos, size_type __n)
 | 
						|
{
 | 
						|
    size_type __sz = __str.size();
 | 
						|
    if (__pos > __sz)
 | 
						|
        this->__throw_out_of_range();
 | 
						|
    return append(__str.data() + __pos, _VSTD::min(__n, __sz - __pos));
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::append(const value_type* __s)
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__s != nullptr, "string::append received nullptr");
 | 
						|
    return append(__s, traits_type::length(__s));
 | 
						|
}
 | 
						|
 | 
						|
// insert
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::insert(size_type __pos, const value_type* __s, size_type __n)
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string::insert received nullptr");
 | 
						|
    size_type __sz = size();
 | 
						|
    if (__pos > __sz)
 | 
						|
        this->__throw_out_of_range();
 | 
						|
    size_type __cap = capacity();
 | 
						|
    if (__cap - __sz >= __n)
 | 
						|
    {
 | 
						|
        if (__n)
 | 
						|
        {
 | 
						|
            value_type* __p = _VSTD::__to_raw_pointer(__get_pointer());
 | 
						|
            size_type __n_move = __sz - __pos;
 | 
						|
            if (__n_move != 0)
 | 
						|
            {
 | 
						|
                if (__p + __pos <= __s && __s < __p + __sz)
 | 
						|
                    __s += __n;
 | 
						|
                traits_type::move(__p + __pos + __n, __p + __pos, __n_move);
 | 
						|
            }
 | 
						|
            traits_type::move(__p + __pos, __s, __n);
 | 
						|
            __sz += __n;
 | 
						|
            __set_size(__sz);
 | 
						|
            traits_type::assign(__p[__sz], value_type());
 | 
						|
        }
 | 
						|
    }
 | 
						|
    else
 | 
						|
        __grow_by_and_replace(__cap, __sz + __n - __cap, __sz, __pos, 0, __n, __s);
 | 
						|
    return *this;
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::insert(size_type __pos, size_type __n, value_type __c)
 | 
						|
{
 | 
						|
    size_type __sz = size();
 | 
						|
    if (__pos > __sz)
 | 
						|
        this->__throw_out_of_range();
 | 
						|
    if (__n)
 | 
						|
    {
 | 
						|
        size_type __cap = capacity();
 | 
						|
        value_type* __p;
 | 
						|
        if (__cap - __sz >= __n)
 | 
						|
        {
 | 
						|
            __p = _VSTD::__to_raw_pointer(__get_pointer());
 | 
						|
            size_type __n_move = __sz - __pos;
 | 
						|
            if (__n_move != 0)
 | 
						|
                traits_type::move(__p + __pos + __n, __p + __pos, __n_move);
 | 
						|
        }
 | 
						|
        else
 | 
						|
        {
 | 
						|
            __grow_by(__cap, __sz + __n - __cap, __sz, __pos, 0, __n);
 | 
						|
            __p = _VSTD::__to_raw_pointer(__get_long_pointer());
 | 
						|
        }
 | 
						|
        traits_type::assign(__p + __pos, __n, __c);
 | 
						|
        __sz += __n;
 | 
						|
        __set_size(__sz);
 | 
						|
        traits_type::assign(__p[__sz], value_type());
 | 
						|
    }
 | 
						|
    return *this;
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
template<class _InputIterator>
 | 
						|
typename enable_if
 | 
						|
<
 | 
						|
     __is_input_iterator  <_InputIterator>::value &&
 | 
						|
    !__is_forward_iterator<_InputIterator>::value,
 | 
						|
    typename basic_string<_CharT, _Traits, _Allocator>::iterator
 | 
						|
>::type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::insert(const_iterator __pos, _InputIterator __first, _InputIterator __last)
 | 
						|
{
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__pos) == this,
 | 
						|
        "string::insert(iterator, range) called with an iterator not"
 | 
						|
        " referring to this string");
 | 
						|
#endif
 | 
						|
    size_type __old_sz = size();
 | 
						|
    difference_type __ip = __pos - begin();
 | 
						|
    for (; __first != __last; ++__first)
 | 
						|
        push_back(*__first);
 | 
						|
    pointer __p = __get_pointer();
 | 
						|
    _VSTD::rotate(__p + __ip, __p + __old_sz, __p + size());
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    return iterator(this, __p + __ip);
 | 
						|
#else
 | 
						|
    return iterator(__p + __ip);
 | 
						|
#endif
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
template<class _ForwardIterator>
 | 
						|
typename enable_if
 | 
						|
<
 | 
						|
    __is_forward_iterator<_ForwardIterator>::value,
 | 
						|
    typename basic_string<_CharT, _Traits, _Allocator>::iterator
 | 
						|
>::type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::insert(const_iterator __pos, _ForwardIterator __first, _ForwardIterator __last)
 | 
						|
{
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__pos) == this,
 | 
						|
        "string::insert(iterator, range) called with an iterator not"
 | 
						|
        " referring to this string");
 | 
						|
#endif
 | 
						|
    size_type __ip = static_cast<size_type>(__pos - begin());
 | 
						|
    size_type __sz = size();
 | 
						|
    size_type __cap = capacity();
 | 
						|
    size_type __n = static_cast<size_type>(_VSTD::distance(__first, __last));
 | 
						|
    if (__n)
 | 
						|
    {
 | 
						|
        value_type* __p;
 | 
						|
        if (__cap - __sz >= __n)
 | 
						|
        {
 | 
						|
            __p = _VSTD::__to_raw_pointer(__get_pointer());
 | 
						|
            size_type __n_move = __sz - __ip;
 | 
						|
            if (__n_move != 0)
 | 
						|
                traits_type::move(__p + __ip + __n, __p + __ip, __n_move);
 | 
						|
        }
 | 
						|
        else
 | 
						|
        {
 | 
						|
            __grow_by(__cap, __sz + __n - __cap, __sz, __ip, 0, __n);
 | 
						|
            __p = _VSTD::__to_raw_pointer(__get_long_pointer());
 | 
						|
        }
 | 
						|
        __sz += __n;
 | 
						|
        __set_size(__sz);
 | 
						|
        traits_type::assign(__p[__sz], value_type());
 | 
						|
        for (__p += __ip; __first != __last; ++__p, ++__first)
 | 
						|
            traits_type::assign(*__p, *__first);
 | 
						|
    }
 | 
						|
    return begin() + __ip;
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::insert(size_type __pos1, const basic_string& __str)
 | 
						|
{
 | 
						|
    return insert(__pos1, __str.data(), __str.size());
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::insert(size_type __pos1, const basic_string& __str,
 | 
						|
                                                  size_type __pos2, size_type __n)
 | 
						|
{
 | 
						|
    size_type __str_sz = __str.size();
 | 
						|
    if (__pos2 > __str_sz)
 | 
						|
        this->__throw_out_of_range();
 | 
						|
    return insert(__pos1, __str.data() + __pos2, _VSTD::min(__n, __str_sz - __pos2));
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::insert(size_type __pos, const value_type* __s)
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__s != nullptr, "string::insert received nullptr");
 | 
						|
    return insert(__pos, __s, traits_type::length(__s));
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::iterator
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::insert(const_iterator __pos, value_type __c)
 | 
						|
{
 | 
						|
    size_type __ip = static_cast<size_type>(__pos - begin());
 | 
						|
    size_type __sz = size();
 | 
						|
    size_type __cap = capacity();
 | 
						|
    value_type* __p;
 | 
						|
    if (__cap == __sz)
 | 
						|
    {
 | 
						|
        __grow_by(__cap, 1, __sz, __ip, 0, 1);
 | 
						|
        __p = _VSTD::__to_raw_pointer(__get_long_pointer());
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        __p = _VSTD::__to_raw_pointer(__get_pointer());
 | 
						|
        size_type __n_move = __sz - __ip;
 | 
						|
        if (__n_move != 0)
 | 
						|
            traits_type::move(__p + __ip + 1, __p + __ip, __n_move);
 | 
						|
    }
 | 
						|
    traits_type::assign(__p[__ip], __c);
 | 
						|
    traits_type::assign(__p[++__sz], value_type());
 | 
						|
    __set_size(__sz);
 | 
						|
    return begin() + static_cast<difference_type>(__ip);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::iterator
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::insert(const_iterator __pos, size_type __n, value_type __c)
 | 
						|
{
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__pos) == this,
 | 
						|
        "string::insert(iterator, n, value) called with an iterator not"
 | 
						|
        " referring to this string");
 | 
						|
#endif
 | 
						|
    difference_type __p = __pos - begin();
 | 
						|
    insert(static_cast<size_type>(__p), __n, __c);
 | 
						|
    return begin() + __p;
 | 
						|
}
 | 
						|
 | 
						|
// replace
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::replace(size_type __pos, size_type __n1, const value_type* __s, size_type __n2)
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__n2 == 0 || __s != nullptr, "string::replace received nullptr");
 | 
						|
    size_type __sz = size();
 | 
						|
    if (__pos > __sz)
 | 
						|
        this->__throw_out_of_range();
 | 
						|
    __n1 = _VSTD::min(__n1, __sz - __pos);
 | 
						|
    size_type __cap = capacity();
 | 
						|
    if (__cap - __sz + __n1 >= __n2)
 | 
						|
    {
 | 
						|
        value_type* __p = _VSTD::__to_raw_pointer(__get_pointer());
 | 
						|
        if (__n1 != __n2)
 | 
						|
        {
 | 
						|
            size_type __n_move = __sz - __pos - __n1;
 | 
						|
            if (__n_move != 0)
 | 
						|
            {
 | 
						|
                if (__n1 > __n2)
 | 
						|
                {
 | 
						|
                    traits_type::move(__p + __pos, __s, __n2);
 | 
						|
                    traits_type::move(__p + __pos + __n2, __p + __pos + __n1, __n_move);
 | 
						|
                    goto __finish;
 | 
						|
                }
 | 
						|
                if (__p + __pos < __s && __s < __p + __sz)
 | 
						|
                {
 | 
						|
                    if (__p + __pos + __n1 <= __s)
 | 
						|
                        __s += __n2 - __n1;
 | 
						|
                    else // __p + __pos < __s < __p + __pos + __n1
 | 
						|
                    {
 | 
						|
                        traits_type::move(__p + __pos, __s, __n1);
 | 
						|
                        __pos += __n1;
 | 
						|
                        __s += __n2;
 | 
						|
                        __n2 -= __n1;
 | 
						|
                        __n1 = 0;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
                traits_type::move(__p + __pos + __n2, __p + __pos + __n1, __n_move);
 | 
						|
            }
 | 
						|
        }
 | 
						|
        traits_type::move(__p + __pos, __s, __n2);
 | 
						|
__finish:
 | 
						|
        __sz += __n2 - __n1;
 | 
						|
        __set_size(__sz);
 | 
						|
        __invalidate_iterators_past(__sz);
 | 
						|
        traits_type::assign(__p[__sz], value_type());
 | 
						|
    }
 | 
						|
    else
 | 
						|
        __grow_by_and_replace(__cap, __sz - __n1 + __n2 - __cap, __sz, __pos, __n1, __n2, __s);
 | 
						|
    return *this;
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::replace(size_type __pos, size_type __n1, size_type __n2, value_type __c)
 | 
						|
{
 | 
						|
    size_type __sz = size();
 | 
						|
    if (__pos > __sz)
 | 
						|
        this->__throw_out_of_range();
 | 
						|
    __n1 = _VSTD::min(__n1, __sz - __pos);
 | 
						|
    size_type __cap = capacity();
 | 
						|
    value_type* __p;
 | 
						|
    if (__cap - __sz + __n1 >= __n2)
 | 
						|
    {
 | 
						|
        __p = _VSTD::__to_raw_pointer(__get_pointer());
 | 
						|
        if (__n1 != __n2)
 | 
						|
        {
 | 
						|
            size_type __n_move = __sz - __pos - __n1;
 | 
						|
            if (__n_move != 0)
 | 
						|
                traits_type::move(__p + __pos + __n2, __p + __pos + __n1, __n_move);
 | 
						|
        }
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        __grow_by(__cap, __sz - __n1 + __n2 - __cap, __sz, __pos, __n1, __n2);
 | 
						|
        __p = _VSTD::__to_raw_pointer(__get_long_pointer());
 | 
						|
    }
 | 
						|
    traits_type::assign(__p + __pos, __n2, __c);
 | 
						|
    __sz += __n2 - __n1;
 | 
						|
    __set_size(__sz);
 | 
						|
    __invalidate_iterators_past(__sz);
 | 
						|
    traits_type::assign(__p[__sz], value_type());
 | 
						|
    return *this;
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
template<class _InputIterator>
 | 
						|
typename enable_if
 | 
						|
<
 | 
						|
    __is_input_iterator<_InputIterator>::value,
 | 
						|
    basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
>::type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::replace(const_iterator __i1, const_iterator __i2,
 | 
						|
                                                   _InputIterator __j1, _InputIterator __j2)
 | 
						|
{
 | 
						|
    for (; true; ++__i1, ++__j1)
 | 
						|
    {
 | 
						|
        if (__i1 == __i2)
 | 
						|
        {
 | 
						|
            if (__j1 != __j2)
 | 
						|
                insert(__i1, __j1, __j2);
 | 
						|
            break;
 | 
						|
        }
 | 
						|
        if (__j1 == __j2)
 | 
						|
        {
 | 
						|
            erase(__i1, __i2);
 | 
						|
            break;
 | 
						|
        }
 | 
						|
        traits_type::assign(const_cast<value_type&>(*__i1), *__j1);
 | 
						|
    }
 | 
						|
    return *this;
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::replace(size_type __pos1, size_type __n1, const basic_string& __str)
 | 
						|
{
 | 
						|
    return replace(__pos1, __n1, __str.data(), __str.size());
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::replace(size_type __pos1, size_type __n1, const basic_string& __str,
 | 
						|
                                                   size_type __pos2, size_type __n2)
 | 
						|
{
 | 
						|
    size_type __str_sz = __str.size();
 | 
						|
    if (__pos2 > __str_sz)
 | 
						|
        this->__throw_out_of_range();
 | 
						|
    return replace(__pos1, __n1, __str.data() + __pos2, _VSTD::min(__n2, __str_sz - __pos2));
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::replace(size_type __pos, size_type __n1, const value_type* __s)
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__s != nullptr, "string::replace received nullptr");
 | 
						|
    return replace(__pos, __n1, __s, traits_type::length(__s));
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::replace(const_iterator __i1, const_iterator __i2, const basic_string& __str)
 | 
						|
{
 | 
						|
    return replace(static_cast<size_type>(__i1 - begin()), static_cast<size_type>(__i2 - __i1),
 | 
						|
                   __str.data(), __str.size());
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::replace(const_iterator __i1, const_iterator __i2, const value_type* __s, size_type __n)
 | 
						|
{
 | 
						|
    return replace(static_cast<size_type>(__i1 - begin()), static_cast<size_type>(__i2 - __i1), __s, __n);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::replace(const_iterator __i1, const_iterator __i2, const value_type* __s)
 | 
						|
{
 | 
						|
    return replace(static_cast<size_type>(__i1 - begin()), static_cast<size_type>(__i2 - __i1), __s);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::replace(const_iterator __i1, const_iterator __i2, size_type __n, value_type __c)
 | 
						|
{
 | 
						|
    return replace(static_cast<size_type>(__i1 - begin()), static_cast<size_type>(__i2 - __i1), __n, __c);
 | 
						|
}
 | 
						|
 | 
						|
// erase
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>&
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::erase(size_type __pos, size_type __n)
 | 
						|
{
 | 
						|
    size_type __sz = size();
 | 
						|
    if (__pos > __sz)
 | 
						|
        this->__throw_out_of_range();
 | 
						|
    if (__n)
 | 
						|
    {
 | 
						|
        value_type* __p = _VSTD::__to_raw_pointer(__get_pointer());
 | 
						|
        __n = _VSTD::min(__n, __sz - __pos);
 | 
						|
        size_type __n_move = __sz - __pos - __n;
 | 
						|
        if (__n_move != 0)
 | 
						|
            traits_type::move(__p + __pos, __p + __pos + __n, __n_move);
 | 
						|
        __sz -= __n;
 | 
						|
        __set_size(__sz);
 | 
						|
        __invalidate_iterators_past(__sz);
 | 
						|
        traits_type::assign(__p[__sz], value_type());
 | 
						|
    }
 | 
						|
    return *this;
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::iterator
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::erase(const_iterator __pos)
 | 
						|
{
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__pos) == this,
 | 
						|
        "string::erase(iterator) called with an iterator not"
 | 
						|
        " referring to this string");
 | 
						|
#endif
 | 
						|
    _LIBCPP_ASSERT(__pos != end(),
 | 
						|
        "string::erase(iterator) called with a non-dereferenceable iterator");
 | 
						|
    iterator __b = begin();
 | 
						|
    size_type __r = static_cast<size_type>(__pos - __b);
 | 
						|
    erase(__r, 1);
 | 
						|
    return __b + static_cast<difference_type>(__r);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::iterator
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::erase(const_iterator __first, const_iterator __last)
 | 
						|
{
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__first) == this,
 | 
						|
        "string::erase(iterator,  iterator) called with an iterator not"
 | 
						|
        " referring to this string");
 | 
						|
#endif
 | 
						|
    _LIBCPP_ASSERT(__first <= __last, "string::erase(first, last) called with invalid range");
 | 
						|
    iterator __b = begin();
 | 
						|
    size_type __r = static_cast<size_type>(__first - __b);
 | 
						|
    erase(__r, static_cast<size_type>(__last - __first));
 | 
						|
    return __b + static_cast<difference_type>(__r);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
void
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::pop_back()
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(!empty(), "string::pop_back(): string is already empty");
 | 
						|
    size_type __sz;
 | 
						|
    if (__is_long())
 | 
						|
    {
 | 
						|
        __sz = __get_long_size() - 1;
 | 
						|
        __set_long_size(__sz);
 | 
						|
        traits_type::assign(*(__get_long_pointer() + __sz), value_type());
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        __sz = __get_short_size() - 1;
 | 
						|
        __set_short_size(__sz);
 | 
						|
        traits_type::assign(*(__get_short_pointer() + __sz), value_type());
 | 
						|
    }
 | 
						|
    __invalidate_iterators_past(__sz);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
void
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::clear() _NOEXCEPT
 | 
						|
{
 | 
						|
    __invalidate_all_iterators();
 | 
						|
    if (__is_long())
 | 
						|
    {
 | 
						|
        traits_type::assign(*__get_long_pointer(), value_type());
 | 
						|
        __set_long_size(0);
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        traits_type::assign(*__get_short_pointer(), value_type());
 | 
						|
        __set_short_size(0);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
void
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::__erase_to_end(size_type __pos)
 | 
						|
{
 | 
						|
    if (__is_long())
 | 
						|
    {
 | 
						|
        traits_type::assign(*(__get_long_pointer() + __pos), value_type());
 | 
						|
        __set_long_size(__pos);
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        traits_type::assign(*(__get_short_pointer() + __pos), value_type());
 | 
						|
        __set_short_size(__pos);
 | 
						|
    }
 | 
						|
    __invalidate_iterators_past(__pos);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
void
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::resize(size_type __n, value_type __c)
 | 
						|
{
 | 
						|
    size_type __sz = size();
 | 
						|
    if (__n > __sz)
 | 
						|
        append(__n - __sz, __c);
 | 
						|
    else
 | 
						|
        __erase_to_end(__n);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::max_size() const _NOEXCEPT
 | 
						|
{
 | 
						|
    size_type __m = __alloc_traits::max_size(__alloc());
 | 
						|
#if _LIBCPP_BIG_ENDIAN
 | 
						|
    return (__m <= ~__long_mask ? __m : __m/2) - __alignment;
 | 
						|
#else
 | 
						|
    return __m - __alignment;
 | 
						|
#endif
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
void
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::reserve(size_type __res_arg)
 | 
						|
{
 | 
						|
    if (__res_arg > max_size())
 | 
						|
        this->__throw_length_error();
 | 
						|
    size_type __cap = capacity();
 | 
						|
    size_type __sz = size();
 | 
						|
    __res_arg = _VSTD::max(__res_arg, __sz);
 | 
						|
    __res_arg = __recommend(__res_arg);
 | 
						|
    if (__res_arg != __cap)
 | 
						|
    {
 | 
						|
        pointer __new_data, __p;
 | 
						|
        bool __was_long, __now_long;
 | 
						|
        if (__res_arg == __min_cap - 1)
 | 
						|
        {
 | 
						|
            __was_long = true;
 | 
						|
            __now_long = false;
 | 
						|
            __new_data = __get_short_pointer();
 | 
						|
            __p = __get_long_pointer();
 | 
						|
        }
 | 
						|
        else
 | 
						|
        {
 | 
						|
            if (__res_arg > __cap)
 | 
						|
                __new_data = __alloc_traits::allocate(__alloc(), __res_arg+1);
 | 
						|
            else
 | 
						|
            {
 | 
						|
            #ifndef _LIBCPP_NO_EXCEPTIONS
 | 
						|
                try
 | 
						|
                {
 | 
						|
            #endif  // _LIBCPP_NO_EXCEPTIONS
 | 
						|
                    __new_data = __alloc_traits::allocate(__alloc(), __res_arg+1);
 | 
						|
            #ifndef _LIBCPP_NO_EXCEPTIONS
 | 
						|
                }
 | 
						|
                catch (...)
 | 
						|
                {
 | 
						|
                    return;
 | 
						|
                }
 | 
						|
            #else  // _LIBCPP_NO_EXCEPTIONS
 | 
						|
                if (__new_data == nullptr)
 | 
						|
                    return;
 | 
						|
            #endif  // _LIBCPP_NO_EXCEPTIONS
 | 
						|
            }
 | 
						|
            __now_long = true;
 | 
						|
            __was_long = __is_long();
 | 
						|
            __p = __get_pointer();
 | 
						|
        }
 | 
						|
        traits_type::copy(_VSTD::__to_raw_pointer(__new_data),
 | 
						|
                          _VSTD::__to_raw_pointer(__p), size()+1);
 | 
						|
        if (__was_long)
 | 
						|
            __alloc_traits::deallocate(__alloc(), __p, __cap+1);
 | 
						|
        if (__now_long)
 | 
						|
        {
 | 
						|
            __set_long_cap(__res_arg+1);
 | 
						|
            __set_long_size(__sz);
 | 
						|
            __set_long_pointer(__new_data);
 | 
						|
        }
 | 
						|
        else
 | 
						|
            __set_short_size(__sz);
 | 
						|
        __invalidate_all_iterators();
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::const_reference
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::operator[](size_type __pos) const
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__pos <= size(), "string index out of bounds");
 | 
						|
    return *(data() + __pos);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::reference
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::operator[](size_type __pos)
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__pos <= size(), "string index out of bounds");
 | 
						|
    return *(__get_pointer() + __pos);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::const_reference
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::at(size_type __n) const
 | 
						|
{
 | 
						|
    if (__n >= size())
 | 
						|
        this->__throw_out_of_range();
 | 
						|
    return (*this)[__n];
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::reference
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::at(size_type __n)
 | 
						|
{
 | 
						|
    if (__n >= size())
 | 
						|
        this->__throw_out_of_range();
 | 
						|
    return (*this)[__n];
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::reference
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::front()
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(!empty(), "string::front(): string is empty");
 | 
						|
    return *__get_pointer();
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::const_reference
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::front() const
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(!empty(), "string::front(): string is empty");
 | 
						|
    return *data();
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::reference
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::back()
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(!empty(), "string::back(): string is empty");
 | 
						|
    return *(__get_pointer() + size() - 1);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::const_reference
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::back() const
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(!empty(), "string::back(): string is empty");
 | 
						|
    return *(data() + size() - 1);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::copy(value_type* __s, size_type __n, size_type __pos) const
 | 
						|
{
 | 
						|
    size_type __sz = size();
 | 
						|
    if (__pos > __sz)
 | 
						|
        this->__throw_out_of_range();
 | 
						|
    size_type __rlen = _VSTD::min(__n, __sz - __pos);
 | 
						|
    traits_type::copy(__s, data() + __pos, __rlen);
 | 
						|
    return __rlen;
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::substr(size_type __pos, size_type __n) const
 | 
						|
{
 | 
						|
    return basic_string(*this, __pos, __n, __alloc());
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
void
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::swap(basic_string& __str)
 | 
						|
#if _LIBCPP_STD_VER >= 14
 | 
						|
        _NOEXCEPT
 | 
						|
#else
 | 
						|
        _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || 
 | 
						|
                    __is_nothrow_swappable<allocator_type>::value)
 | 
						|
#endif
 | 
						|
{
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
    if (!__is_long())
 | 
						|
        __get_db()->__invalidate_all(this);
 | 
						|
    if (!__str.__is_long())
 | 
						|
        __get_db()->__invalidate_all(&__str);
 | 
						|
    __get_db()->swap(this, &__str);
 | 
						|
#endif
 | 
						|
    _VSTD::swap(__r_.first(), __str.__r_.first());
 | 
						|
    __swap_allocator(__alloc(), __str.__alloc());
 | 
						|
}
 | 
						|
 | 
						|
// find
 | 
						|
 | 
						|
template <class _Traits>
 | 
						|
struct _LIBCPP_HIDDEN __traits_eq
 | 
						|
{
 | 
						|
    typedef typename _Traits::char_type char_type;
 | 
						|
    _LIBCPP_INLINE_VISIBILITY
 | 
						|
    bool operator()(const char_type& __x, const char_type& __y) _NOEXCEPT
 | 
						|
        {return _Traits::eq(__x, __y);}
 | 
						|
};
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::find(const value_type* __s,
 | 
						|
                                                size_type __pos,
 | 
						|
                                                size_type __n) const _NOEXCEPT
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string::find(): received nullptr");
 | 
						|
    return _VSTD::__str_find<value_type, size_type, traits_type, npos>
 | 
						|
        (data(), size(), __s, __pos, __n);
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::find(const basic_string& __str,
 | 
						|
                                                size_type __pos) const _NOEXCEPT
 | 
						|
{
 | 
						|
    return _VSTD::__str_find<value_type, size_type, traits_type, npos>
 | 
						|
        (data(), size(), __str.data(), __pos, __str.size());
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::find(const value_type* __s,
 | 
						|
                                                size_type __pos) const _NOEXCEPT
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__s != nullptr, "string::find(): received nullptr");
 | 
						|
    return _VSTD::__str_find<value_type, size_type, traits_type, npos>
 | 
						|
        (data(), size(), __s, __pos, traits_type::length(__s));
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::find(value_type __c,
 | 
						|
                                                size_type __pos) const _NOEXCEPT
 | 
						|
{
 | 
						|
    return _VSTD::__str_find<value_type, size_type, traits_type, npos>
 | 
						|
        (data(), size(), __c, __pos);
 | 
						|
}
 | 
						|
 | 
						|
// rfind
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::rfind(const value_type* __s,
 | 
						|
                                                 size_type __pos,
 | 
						|
                                                 size_type __n) const _NOEXCEPT
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string::rfind(): received nullptr");
 | 
						|
    return _VSTD::__str_rfind<value_type, size_type, traits_type, npos>
 | 
						|
        (data(), size(), __s, __pos, __n);
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::rfind(const basic_string& __str,
 | 
						|
                                                 size_type __pos) const _NOEXCEPT
 | 
						|
{
 | 
						|
    return _VSTD::__str_rfind<value_type, size_type, traits_type, npos>
 | 
						|
        (data(), size(), __str.data(), __pos, __str.size());
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::rfind(const value_type* __s,
 | 
						|
                                                 size_type __pos) const _NOEXCEPT
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__s != nullptr, "string::rfind(): received nullptr");
 | 
						|
    return _VSTD::__str_rfind<value_type, size_type, traits_type, npos>
 | 
						|
        (data(), size(), __s, __pos, traits_type::length(__s));
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::rfind(value_type __c,
 | 
						|
                                                 size_type __pos) const _NOEXCEPT
 | 
						|
{
 | 
						|
    return _VSTD::__str_rfind<value_type, size_type, traits_type, npos>
 | 
						|
        (data(), size(), __c, __pos);
 | 
						|
}
 | 
						|
 | 
						|
// find_first_of
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::find_first_of(const value_type* __s,
 | 
						|
                                                         size_type __pos,
 | 
						|
                                                         size_type __n) const _NOEXCEPT
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string::find_first_of(): received nullptr");
 | 
						|
    return _VSTD::__str_find_first_of<value_type, size_type, traits_type, npos>
 | 
						|
        (data(), size(), __s, __pos, __n);
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::find_first_of(const basic_string& __str,
 | 
						|
                                                         size_type __pos) const _NOEXCEPT
 | 
						|
{
 | 
						|
    return _VSTD::__str_find_first_of<value_type, size_type, traits_type, npos>
 | 
						|
        (data(), size(), __str.data(), __pos, __str.size());
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::find_first_of(const value_type* __s,
 | 
						|
                                                         size_type __pos) const _NOEXCEPT
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__s != nullptr, "string::find_first_of(): received nullptr");
 | 
						|
    return _VSTD::__str_find_first_of<value_type, size_type, traits_type, npos>
 | 
						|
        (data(), size(), __s, __pos, traits_type::length(__s));
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::find_first_of(value_type __c,
 | 
						|
                                                         size_type __pos) const _NOEXCEPT
 | 
						|
{
 | 
						|
    return find(__c, __pos);
 | 
						|
}
 | 
						|
 | 
						|
// find_last_of
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::find_last_of(const value_type* __s,
 | 
						|
                                                        size_type __pos,
 | 
						|
                                                        size_type __n) const _NOEXCEPT
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string::find_last_of(): received nullptr");
 | 
						|
    return _VSTD::__str_find_last_of<value_type, size_type, traits_type, npos>
 | 
						|
        (data(), size(), __s, __pos, __n);
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::find_last_of(const basic_string& __str,
 | 
						|
                                                        size_type __pos) const _NOEXCEPT
 | 
						|
{
 | 
						|
    return _VSTD::__str_find_last_of<value_type, size_type, traits_type, npos>
 | 
						|
        (data(), size(), __str.data(), __pos, __str.size());
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::find_last_of(const value_type* __s,
 | 
						|
                                                        size_type __pos) const _NOEXCEPT
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__s != nullptr, "string::find_last_of(): received nullptr");
 | 
						|
    return _VSTD::__str_find_last_of<value_type, size_type, traits_type, npos>
 | 
						|
        (data(), size(), __s, __pos, traits_type::length(__s));
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::find_last_of(value_type __c,
 | 
						|
                                                        size_type __pos) const _NOEXCEPT
 | 
						|
{
 | 
						|
    return rfind(__c, __pos);
 | 
						|
}
 | 
						|
 | 
						|
// find_first_not_of
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::find_first_not_of(const value_type* __s,
 | 
						|
                                                             size_type __pos,
 | 
						|
                                                             size_type __n) const _NOEXCEPT
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string::find_first_not_of(): received nullptr");
 | 
						|
    return _VSTD::__str_find_first_not_of<value_type, size_type, traits_type, npos>
 | 
						|
        (data(), size(), __s, __pos, __n);
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::find_first_not_of(const basic_string& __str,
 | 
						|
                                                             size_type __pos) const _NOEXCEPT
 | 
						|
{
 | 
						|
    return _VSTD::__str_find_first_not_of<value_type, size_type, traits_type, npos>
 | 
						|
        (data(), size(), __str.data(), __pos, __str.size());
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::find_first_not_of(const value_type* __s,
 | 
						|
                                                             size_type __pos) const _NOEXCEPT
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__s != nullptr, "string::find_first_not_of(): received nullptr");
 | 
						|
    return _VSTD::__str_find_first_not_of<value_type, size_type, traits_type, npos>
 | 
						|
        (data(), size(), __s, __pos, traits_type::length(__s));
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::find_first_not_of(value_type __c,
 | 
						|
                                                             size_type __pos) const _NOEXCEPT
 | 
						|
{
 | 
						|
    return _VSTD::__str_find_first_not_of<value_type, size_type, traits_type, npos>
 | 
						|
        (data(), size(), __c, __pos);
 | 
						|
}
 | 
						|
 | 
						|
// find_last_not_of
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::find_last_not_of(const value_type* __s,
 | 
						|
                                                            size_type __pos,
 | 
						|
                                                            size_type __n) const _NOEXCEPT
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string::find_last_not_of(): received nullptr");
 | 
						|
    return _VSTD::__str_find_last_not_of<value_type, size_type, traits_type, npos>
 | 
						|
        (data(), size(), __s, __pos, __n);
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::find_last_not_of(const basic_string& __str,
 | 
						|
                                                            size_type __pos) const _NOEXCEPT
 | 
						|
{
 | 
						|
    return _VSTD::__str_find_last_not_of<value_type, size_type, traits_type, npos>
 | 
						|
        (data(), size(), __str.data(), __pos, __str.size());
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::find_last_not_of(const value_type* __s,
 | 
						|
                                                            size_type __pos) const _NOEXCEPT
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__s != nullptr, "string::find_last_not_of(): received nullptr");
 | 
						|
    return _VSTD::__str_find_last_not_of<value_type, size_type, traits_type, npos>
 | 
						|
        (data(), size(), __s, __pos, traits_type::length(__s));
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::find_last_not_of(value_type __c,
 | 
						|
                                                            size_type __pos) const _NOEXCEPT
 | 
						|
{
 | 
						|
    return _VSTD::__str_find_last_not_of<value_type, size_type, traits_type, npos>
 | 
						|
        (data(), size(), __c, __pos);
 | 
						|
}
 | 
						|
 | 
						|
// compare
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
int
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::compare(const basic_string& __str) const _NOEXCEPT
 | 
						|
{
 | 
						|
    size_t __lhs_sz = size();
 | 
						|
    size_t __rhs_sz = __str.size();
 | 
						|
    int __result = traits_type::compare(data(), __str.data(),
 | 
						|
                                        _VSTD::min(__lhs_sz, __rhs_sz));
 | 
						|
    if (__result != 0)
 | 
						|
        return __result;
 | 
						|
    if (__lhs_sz < __rhs_sz)
 | 
						|
        return -1;
 | 
						|
    if (__lhs_sz > __rhs_sz)
 | 
						|
        return 1;
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
int
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::compare(size_type __pos1,
 | 
						|
                                                   size_type __n1,
 | 
						|
                                                   const basic_string& __str) const
 | 
						|
{
 | 
						|
    return compare(__pos1, __n1, __str.data(), __str.size());
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
int
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::compare(size_type __pos1,
 | 
						|
                                                   size_type __n1,
 | 
						|
                                                   const basic_string& __str,
 | 
						|
                                                   size_type __pos2,
 | 
						|
                                                   size_type __n2) const
 | 
						|
{
 | 
						|
    size_type __sz = __str.size();
 | 
						|
    if (__pos2 > __sz)
 | 
						|
        this->__throw_out_of_range();
 | 
						|
    return compare(__pos1, __n1, __str.data() + __pos2, _VSTD::min(__n2,
 | 
						|
                                                                  __sz - __pos2));
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
int
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::compare(const value_type* __s) const _NOEXCEPT
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__s != nullptr, "string::compare(): received nullptr");
 | 
						|
    return compare(0, npos, __s, traits_type::length(__s));
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
int
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::compare(size_type __pos1,
 | 
						|
                                                   size_type __n1,
 | 
						|
                                                   const value_type* __s) const
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__s != nullptr, "string::compare(): received nullptr");
 | 
						|
    return compare(__pos1, __n1, __s, traits_type::length(__s));
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
int
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::compare(size_type __pos1,
 | 
						|
                                                   size_type __n1,
 | 
						|
                                                   const value_type* __s,
 | 
						|
                                                   size_type __n2) const
 | 
						|
{
 | 
						|
    _LIBCPP_ASSERT(__n2 == 0 || __s != nullptr, "string::compare(): received nullptr");
 | 
						|
    size_type __sz = size();
 | 
						|
    if (__pos1 > __sz || __n2 == npos)
 | 
						|
        this->__throw_out_of_range();
 | 
						|
    size_type __rlen = _VSTD::min(__n1, __sz - __pos1);
 | 
						|
    int __r = traits_type::compare(data() + __pos1, __s, _VSTD::min(__rlen, __n2));
 | 
						|
    if (__r == 0)
 | 
						|
    {
 | 
						|
        if (__rlen < __n2)
 | 
						|
            __r = -1;
 | 
						|
        else if (__rlen > __n2)
 | 
						|
            __r = 1;
 | 
						|
    }
 | 
						|
    return __r;
 | 
						|
}
 | 
						|
 | 
						|
// __invariants
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
bool
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::__invariants() const
 | 
						|
{
 | 
						|
    if (size() > capacity())
 | 
						|
        return false;
 | 
						|
    if (capacity() < __min_cap - 1)
 | 
						|
        return false;
 | 
						|
    if (data() == 0)
 | 
						|
        return false;
 | 
						|
    if (data()[size()] != value_type(0))
 | 
						|
        return false;
 | 
						|
    return true;
 | 
						|
}
 | 
						|
 | 
						|
// operator==
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
bool
 | 
						|
operator==(const basic_string<_CharT, _Traits, _Allocator>& __lhs,
 | 
						|
           const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT
 | 
						|
{
 | 
						|
    size_t __lhs_sz = __lhs.size();
 | 
						|
    return __lhs_sz == __rhs.size() && _Traits::compare(__lhs.data(),
 | 
						|
                                                        __rhs.data(),
 | 
						|
                                                        __lhs_sz) == 0;
 | 
						|
}
 | 
						|
 | 
						|
template<class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
bool
 | 
						|
operator==(const basic_string<char, char_traits<char>, _Allocator>& __lhs,
 | 
						|
           const basic_string<char, char_traits<char>, _Allocator>& __rhs) _NOEXCEPT
 | 
						|
{
 | 
						|
    size_t __lhs_sz = __lhs.size();
 | 
						|
    if (__lhs_sz != __rhs.size())
 | 
						|
        return false;
 | 
						|
    const char* __lp = __lhs.data();
 | 
						|
    const char* __rp = __rhs.data();
 | 
						|
    if (__lhs.__is_long())
 | 
						|
        return char_traits<char>::compare(__lp, __rp, __lhs_sz) == 0;
 | 
						|
    for (; __lhs_sz != 0; --__lhs_sz, ++__lp, ++__rp)
 | 
						|
        if (*__lp != *__rp)
 | 
						|
            return false;
 | 
						|
    return true;
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
bool
 | 
						|
operator==(const _CharT* __lhs,
 | 
						|
           const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT
 | 
						|
{
 | 
						|
    typedef basic_string<_CharT, _Traits, _Allocator> _String;
 | 
						|
    _LIBCPP_ASSERT(__lhs != nullptr, "operator==(char*, basic_string): received nullptr");
 | 
						|
    size_t __lhs_len = _Traits::length(__lhs);
 | 
						|
    if (__lhs_len != __rhs.size()) return false;
 | 
						|
    return __rhs.compare(0, _String::npos, __lhs, __lhs_len) == 0;
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
bool
 | 
						|
operator==(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
 | 
						|
           const _CharT* __rhs) _NOEXCEPT
 | 
						|
{
 | 
						|
    typedef basic_string<_CharT, _Traits, _Allocator> _String;
 | 
						|
    _LIBCPP_ASSERT(__rhs != nullptr, "operator==(basic_string, char*): received nullptr");
 | 
						|
    size_t __rhs_len = _Traits::length(__rhs);
 | 
						|
    if (__rhs_len != __lhs.size()) return false;
 | 
						|
    return __lhs.compare(0, _String::npos, __rhs, __rhs_len) == 0;
 | 
						|
}
 | 
						|
 | 
						|
// operator!=
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
bool
 | 
						|
operator!=(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
 | 
						|
           const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT
 | 
						|
{
 | 
						|
    return !(__lhs == __rhs);
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
bool
 | 
						|
operator!=(const _CharT* __lhs,
 | 
						|
           const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT
 | 
						|
{
 | 
						|
    return !(__lhs == __rhs);
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
bool
 | 
						|
operator!=(const basic_string<_CharT, _Traits, _Allocator>& __lhs,
 | 
						|
           const _CharT* __rhs) _NOEXCEPT
 | 
						|
{
 | 
						|
    return !(__lhs == __rhs);
 | 
						|
}
 | 
						|
 | 
						|
// operator<
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
bool
 | 
						|
operator< (const basic_string<_CharT, _Traits, _Allocator>& __lhs,
 | 
						|
           const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT
 | 
						|
{
 | 
						|
    return __lhs.compare(__rhs) < 0;
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
bool
 | 
						|
operator< (const basic_string<_CharT, _Traits, _Allocator>& __lhs,
 | 
						|
           const _CharT* __rhs) _NOEXCEPT
 | 
						|
{
 | 
						|
    return __lhs.compare(__rhs) < 0;
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
bool
 | 
						|
operator< (const _CharT* __lhs,
 | 
						|
           const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT
 | 
						|
{
 | 
						|
    return __rhs.compare(__lhs) > 0;
 | 
						|
}
 | 
						|
 | 
						|
// operator>
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
bool
 | 
						|
operator> (const basic_string<_CharT, _Traits, _Allocator>& __lhs,
 | 
						|
           const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT
 | 
						|
{
 | 
						|
    return __rhs < __lhs;
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
bool
 | 
						|
operator> (const basic_string<_CharT, _Traits, _Allocator>& __lhs,
 | 
						|
           const _CharT* __rhs) _NOEXCEPT
 | 
						|
{
 | 
						|
    return __rhs < __lhs;
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
bool
 | 
						|
operator> (const _CharT* __lhs,
 | 
						|
           const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT
 | 
						|
{
 | 
						|
    return __rhs < __lhs;
 | 
						|
}
 | 
						|
 | 
						|
// operator<=
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
bool
 | 
						|
operator<=(const basic_string<_CharT, _Traits, _Allocator>& __lhs,
 | 
						|
           const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT
 | 
						|
{
 | 
						|
    return !(__rhs < __lhs);
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
bool
 | 
						|
operator<=(const basic_string<_CharT, _Traits, _Allocator>& __lhs,
 | 
						|
           const _CharT* __rhs) _NOEXCEPT
 | 
						|
{
 | 
						|
    return !(__rhs < __lhs);
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
bool
 | 
						|
operator<=(const _CharT* __lhs,
 | 
						|
           const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT
 | 
						|
{
 | 
						|
    return !(__rhs < __lhs);
 | 
						|
}
 | 
						|
 | 
						|
// operator>=
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
bool
 | 
						|
operator>=(const basic_string<_CharT, _Traits, _Allocator>& __lhs,
 | 
						|
           const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT
 | 
						|
{
 | 
						|
    return !(__lhs < __rhs);
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
bool
 | 
						|
operator>=(const basic_string<_CharT, _Traits, _Allocator>& __lhs,
 | 
						|
           const _CharT* __rhs) _NOEXCEPT
 | 
						|
{
 | 
						|
    return !(__lhs < __rhs);
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
bool
 | 
						|
operator>=(const _CharT* __lhs,
 | 
						|
           const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT
 | 
						|
{
 | 
						|
    return !(__lhs < __rhs);
 | 
						|
}
 | 
						|
 | 
						|
// operator +
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>
 | 
						|
operator+(const basic_string<_CharT, _Traits, _Allocator>& __lhs,
 | 
						|
          const basic_string<_CharT, _Traits, _Allocator>& __rhs)
 | 
						|
{
 | 
						|
    basic_string<_CharT, _Traits, _Allocator> __r(__lhs.get_allocator());
 | 
						|
    typename basic_string<_CharT, _Traits, _Allocator>::size_type __lhs_sz = __lhs.size();
 | 
						|
    typename basic_string<_CharT, _Traits, _Allocator>::size_type __rhs_sz = __rhs.size();
 | 
						|
    __r.__init(__lhs.data(), __lhs_sz, __lhs_sz + __rhs_sz);
 | 
						|
    __r.append(__rhs.data(), __rhs_sz);
 | 
						|
    return __r;
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>
 | 
						|
operator+(const _CharT* __lhs , const basic_string<_CharT,_Traits,_Allocator>& __rhs)
 | 
						|
{
 | 
						|
    basic_string<_CharT, _Traits, _Allocator> __r(__rhs.get_allocator());
 | 
						|
    typename basic_string<_CharT, _Traits, _Allocator>::size_type __lhs_sz = _Traits::length(__lhs);
 | 
						|
    typename basic_string<_CharT, _Traits, _Allocator>::size_type __rhs_sz = __rhs.size();
 | 
						|
    __r.__init(__lhs, __lhs_sz, __lhs_sz + __rhs_sz);
 | 
						|
    __r.append(__rhs.data(), __rhs_sz);
 | 
						|
    return __r;
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>
 | 
						|
operator+(_CharT __lhs, const basic_string<_CharT,_Traits,_Allocator>& __rhs)
 | 
						|
{
 | 
						|
    basic_string<_CharT, _Traits, _Allocator> __r(__rhs.get_allocator());
 | 
						|
    typename basic_string<_CharT, _Traits, _Allocator>::size_type __rhs_sz = __rhs.size();
 | 
						|
    __r.__init(&__lhs, 1, 1 + __rhs_sz);
 | 
						|
    __r.append(__rhs.data(), __rhs_sz);
 | 
						|
    return __r;
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>
 | 
						|
operator+(const basic_string<_CharT, _Traits, _Allocator>& __lhs, const _CharT* __rhs)
 | 
						|
{
 | 
						|
    basic_string<_CharT, _Traits, _Allocator> __r(__lhs.get_allocator());
 | 
						|
    typename basic_string<_CharT, _Traits, _Allocator>::size_type __lhs_sz = __lhs.size();
 | 
						|
    typename basic_string<_CharT, _Traits, _Allocator>::size_type __rhs_sz = _Traits::length(__rhs);
 | 
						|
    __r.__init(__lhs.data(), __lhs_sz, __lhs_sz + __rhs_sz);
 | 
						|
    __r.append(__rhs, __rhs_sz);
 | 
						|
    return __r;
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>
 | 
						|
operator+(const basic_string<_CharT, _Traits, _Allocator>& __lhs, _CharT __rhs)
 | 
						|
{
 | 
						|
    basic_string<_CharT, _Traits, _Allocator> __r(__lhs.get_allocator());
 | 
						|
    typename basic_string<_CharT, _Traits, _Allocator>::size_type __lhs_sz = __lhs.size();
 | 
						|
    __r.__init(__lhs.data(), __lhs_sz, __lhs_sz + 1);
 | 
						|
    __r.push_back(__rhs);
 | 
						|
    return __r;
 | 
						|
}
 | 
						|
 | 
						|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>
 | 
						|
operator+(basic_string<_CharT, _Traits, _Allocator>&& __lhs, const basic_string<_CharT, _Traits, _Allocator>& __rhs)
 | 
						|
{
 | 
						|
    return _VSTD::move(__lhs.append(__rhs));
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>
 | 
						|
operator+(const basic_string<_CharT, _Traits, _Allocator>& __lhs, basic_string<_CharT, _Traits, _Allocator>&& __rhs)
 | 
						|
{
 | 
						|
    return _VSTD::move(__rhs.insert(0, __lhs));
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>
 | 
						|
operator+(basic_string<_CharT, _Traits, _Allocator>&& __lhs, basic_string<_CharT, _Traits, _Allocator>&& __rhs)
 | 
						|
{
 | 
						|
    return _VSTD::move(__lhs.append(__rhs));
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>
 | 
						|
operator+(const _CharT* __lhs , basic_string<_CharT,_Traits,_Allocator>&& __rhs)
 | 
						|
{
 | 
						|
    return _VSTD::move(__rhs.insert(0, __lhs));
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>
 | 
						|
operator+(_CharT __lhs, basic_string<_CharT,_Traits,_Allocator>&& __rhs)
 | 
						|
{
 | 
						|
    __rhs.insert(__rhs.begin(), __lhs);
 | 
						|
    return _VSTD::move(__rhs);
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>
 | 
						|
operator+(basic_string<_CharT, _Traits, _Allocator>&& __lhs, const _CharT* __rhs)
 | 
						|
{
 | 
						|
    return _VSTD::move(__lhs.append(__rhs));
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_string<_CharT, _Traits, _Allocator>
 | 
						|
operator+(basic_string<_CharT, _Traits, _Allocator>&& __lhs, _CharT __rhs)
 | 
						|
{
 | 
						|
    __lhs.push_back(__rhs);
 | 
						|
    return _VSTD::move(__lhs);
 | 
						|
}
 | 
						|
 | 
						|
#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 | 
						|
 | 
						|
// swap
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
void
 | 
						|
swap(basic_string<_CharT, _Traits, _Allocator>& __lhs,
 | 
						|
     basic_string<_CharT, _Traits, _Allocator>& __rhs)
 | 
						|
     _NOEXCEPT_(_NOEXCEPT_(__lhs.swap(__rhs)))
 | 
						|
{
 | 
						|
    __lhs.swap(__rhs);
 | 
						|
}
 | 
						|
 | 
						|
#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
 | 
						|
 | 
						|
typedef basic_string<char16_t> u16string;
 | 
						|
typedef basic_string<char32_t> u32string;
 | 
						|
 | 
						|
#endif  // _LIBCPP_HAS_NO_UNICODE_CHARS
 | 
						|
 | 
						|
_LIBCPP_FUNC_VIS int                stoi  (const string& __str, size_t* __idx = 0, int __base = 10);
 | 
						|
_LIBCPP_FUNC_VIS long               stol  (const string& __str, size_t* __idx = 0, int __base = 10);
 | 
						|
_LIBCPP_FUNC_VIS unsigned long      stoul (const string& __str, size_t* __idx = 0, int __base = 10);
 | 
						|
_LIBCPP_FUNC_VIS long long          stoll (const string& __str, size_t* __idx = 0, int __base = 10);
 | 
						|
_LIBCPP_FUNC_VIS unsigned long long stoull(const string& __str, size_t* __idx = 0, int __base = 10);
 | 
						|
 | 
						|
_LIBCPP_FUNC_VIS float       stof (const string& __str, size_t* __idx = 0);
 | 
						|
_LIBCPP_FUNC_VIS double      stod (const string& __str, size_t* __idx = 0);
 | 
						|
_LIBCPP_FUNC_VIS long double stold(const string& __str, size_t* __idx = 0);
 | 
						|
 | 
						|
_LIBCPP_FUNC_VIS string to_string(int __val);
 | 
						|
_LIBCPP_FUNC_VIS string to_string(unsigned __val);
 | 
						|
_LIBCPP_FUNC_VIS string to_string(long __val);
 | 
						|
_LIBCPP_FUNC_VIS string to_string(unsigned long __val);
 | 
						|
_LIBCPP_FUNC_VIS string to_string(long long __val);
 | 
						|
_LIBCPP_FUNC_VIS string to_string(unsigned long long __val);
 | 
						|
_LIBCPP_FUNC_VIS string to_string(float __val);
 | 
						|
_LIBCPP_FUNC_VIS string to_string(double __val);
 | 
						|
_LIBCPP_FUNC_VIS string to_string(long double __val);
 | 
						|
 | 
						|
_LIBCPP_FUNC_VIS int                stoi  (const wstring& __str, size_t* __idx = 0, int __base = 10);
 | 
						|
_LIBCPP_FUNC_VIS long               stol  (const wstring& __str, size_t* __idx = 0, int __base = 10);
 | 
						|
_LIBCPP_FUNC_VIS unsigned long      stoul (const wstring& __str, size_t* __idx = 0, int __base = 10);
 | 
						|
_LIBCPP_FUNC_VIS long long          stoll (const wstring& __str, size_t* __idx = 0, int __base = 10);
 | 
						|
_LIBCPP_FUNC_VIS unsigned long long stoull(const wstring& __str, size_t* __idx = 0, int __base = 10);
 | 
						|
 | 
						|
_LIBCPP_FUNC_VIS float       stof (const wstring& __str, size_t* __idx = 0);
 | 
						|
_LIBCPP_FUNC_VIS double      stod (const wstring& __str, size_t* __idx = 0);
 | 
						|
_LIBCPP_FUNC_VIS long double stold(const wstring& __str, size_t* __idx = 0);
 | 
						|
 | 
						|
_LIBCPP_FUNC_VIS wstring to_wstring(int __val);
 | 
						|
_LIBCPP_FUNC_VIS wstring to_wstring(unsigned __val);
 | 
						|
_LIBCPP_FUNC_VIS wstring to_wstring(long __val);
 | 
						|
_LIBCPP_FUNC_VIS wstring to_wstring(unsigned long __val);
 | 
						|
_LIBCPP_FUNC_VIS wstring to_wstring(long long __val);
 | 
						|
_LIBCPP_FUNC_VIS wstring to_wstring(unsigned long long __val);
 | 
						|
_LIBCPP_FUNC_VIS wstring to_wstring(float __val);
 | 
						|
_LIBCPP_FUNC_VIS wstring to_wstring(double __val);
 | 
						|
_LIBCPP_FUNC_VIS wstring to_wstring(long double __val);
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
    const typename basic_string<_CharT, _Traits, _Allocator>::size_type
 | 
						|
                   basic_string<_CharT, _Traits, _Allocator>::npos;
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
struct _LIBCPP_TYPE_VIS_ONLY hash<basic_string<_CharT, _Traits, _Allocator> >
 | 
						|
    : public unary_function<basic_string<_CharT, _Traits, _Allocator>, size_t>
 | 
						|
{
 | 
						|
    size_t
 | 
						|
        operator()(const basic_string<_CharT, _Traits, _Allocator>& __val) const _NOEXCEPT;
 | 
						|
};
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
size_t
 | 
						|
hash<basic_string<_CharT, _Traits, _Allocator> >::operator()(
 | 
						|
        const basic_string<_CharT, _Traits, _Allocator>& __val) const _NOEXCEPT
 | 
						|
{
 | 
						|
    return __do_string_hash(__val.data(), __val.data() + __val.size());
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_ostream<_CharT, _Traits>&
 | 
						|
operator<<(basic_ostream<_CharT, _Traits>& __os,
 | 
						|
           const basic_string<_CharT, _Traits, _Allocator>& __str);
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_istream<_CharT, _Traits>&
 | 
						|
operator>>(basic_istream<_CharT, _Traits>& __is,
 | 
						|
           basic_string<_CharT, _Traits, _Allocator>& __str);
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_istream<_CharT, _Traits>&
 | 
						|
getline(basic_istream<_CharT, _Traits>& __is,
 | 
						|
        basic_string<_CharT, _Traits, _Allocator>& __str, _CharT __dlm);
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_istream<_CharT, _Traits>&
 | 
						|
getline(basic_istream<_CharT, _Traits>& __is,
 | 
						|
        basic_string<_CharT, _Traits, _Allocator>& __str);
 | 
						|
 | 
						|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_istream<_CharT, _Traits>&
 | 
						|
getline(basic_istream<_CharT, _Traits>&& __is,
 | 
						|
        basic_string<_CharT, _Traits, _Allocator>& __str, _CharT __dlm);
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
basic_istream<_CharT, _Traits>&
 | 
						|
getline(basic_istream<_CharT, _Traits>&& __is,
 | 
						|
        basic_string<_CharT, _Traits, _Allocator>& __str);
 | 
						|
 | 
						|
#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 | 
						|
 | 
						|
#if _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
bool
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::__dereferenceable(const const_iterator* __i) const
 | 
						|
{
 | 
						|
    return this->data() <= _VSTD::__to_raw_pointer(__i->base()) &&
 | 
						|
           _VSTD::__to_raw_pointer(__i->base()) < this->data() + this->size();
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
bool
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::__decrementable(const const_iterator* __i) const
 | 
						|
{
 | 
						|
    return this->data() < _VSTD::__to_raw_pointer(__i->base()) &&
 | 
						|
           _VSTD::__to_raw_pointer(__i->base()) <= this->data() + this->size();
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
bool
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::__addable(const const_iterator* __i, ptrdiff_t __n) const
 | 
						|
{
 | 
						|
    const value_type* __p = _VSTD::__to_raw_pointer(__i->base()) + __n;
 | 
						|
    return this->data() <= __p && __p <= this->data() + this->size();
 | 
						|
}
 | 
						|
 | 
						|
template<class _CharT, class _Traits, class _Allocator>
 | 
						|
bool
 | 
						|
basic_string<_CharT, _Traits, _Allocator>::__subscriptable(const const_iterator* __i, ptrdiff_t __n) const
 | 
						|
{
 | 
						|
    const value_type* __p = _VSTD::__to_raw_pointer(__i->base()) + __n;
 | 
						|
    return this->data() <= __p && __p < this->data() + this->size();
 | 
						|
}
 | 
						|
 | 
						|
#endif  // _LIBCPP_DEBUG_LEVEL >= 2
 | 
						|
 | 
						|
#if _LIBCPP_STD_VER > 11 
 | 
						|
// Literal suffixes for basic_string [basic.string.literals]
 | 
						|
inline namespace literals
 | 
						|
{
 | 
						|
  inline namespace string_literals
 | 
						|
  {
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string<char> operator "" s( const char *__str, size_t __len )
 | 
						|
    {
 | 
						|
        return basic_string<char> (__str, __len);
 | 
						|
    }
 | 
						|
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string<wchar_t> operator "" s( const wchar_t *__str, size_t __len )
 | 
						|
    {
 | 
						|
        return basic_string<wchar_t> (__str, __len);
 | 
						|
    }
 | 
						|
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string<char16_t> operator "" s( const char16_t *__str, size_t __len )
 | 
						|
    {
 | 
						|
        return basic_string<char16_t> (__str, __len);
 | 
						|
    }
 | 
						|
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_string<char32_t> operator "" s( const char32_t *__str, size_t __len )
 | 
						|
    {
 | 
						|
        return basic_string<char32_t> (__str, __len);
 | 
						|
    }
 | 
						|
  }
 | 
						|
}
 | 
						|
#endif
 | 
						|
 | 
						|
_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_TYPE_VIS basic_string<char>)
 | 
						|
_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_TYPE_VIS basic_string<wchar_t>)
 | 
						|
_LIBCPP_EXTERN_TEMPLATE(string operator+<char, char_traits<char>, allocator<char> >(char const*, string const&))
 | 
						|
 | 
						|
_LIBCPP_END_NAMESPACE_STD
 | 
						|
 | 
						|
#endif  // _LIBCPP_STRING
 |