forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			986 lines
		
	
	
		
			33 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			986 lines
		
	
	
		
			33 KiB
		
	
	
	
		
			C++
		
	
	
	
// -*- C++ -*-
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//===--------------------------- sstream ----------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP_SSTREAM
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#define _LIBCPP_SSTREAM
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/*
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    sstream synopsis
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template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
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class basic_stringbuf
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    : public basic_streambuf<charT, traits>
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{
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public:
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    typedef charT                          char_type;
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    typedef traits                         traits_type;
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    typedef typename traits_type::int_type int_type;
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    typedef typename traits_type::pos_type pos_type;
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    typedef typename traits_type::off_type off_type;
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    typedef Allocator                      allocator_type;
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    // 27.8.1.1 Constructors:
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    explicit basic_stringbuf(ios_base::openmode which = ios_base::in | ios_base::out);
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    explicit basic_stringbuf(const basic_string<char_type, traits_type, allocator_type>& str,
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                             ios_base::openmode which = ios_base::in | ios_base::out);
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    basic_stringbuf(basic_stringbuf&& rhs);
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    // 27.8.1.2 Assign and swap:
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    basic_stringbuf& operator=(basic_stringbuf&& rhs);
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    void swap(basic_stringbuf& rhs);
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    // 27.8.1.3 Get and set:
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    basic_string<char_type, traits_type, allocator_type> str() const;
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    void str(const basic_string<char_type, traits_type, allocator_type>& s);
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protected:
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    // 27.8.1.4 Overridden virtual functions:
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    virtual int_type underflow();
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    virtual int_type pbackfail(int_type c = traits_type::eof());
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    virtual int_type overflow (int_type c = traits_type::eof());
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    virtual basic_streambuf<char_type, traits_type>* setbuf(char_type*, streamsize);
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    virtual pos_type seekoff(off_type off, ios_base::seekdir way,
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                             ios_base::openmode which = ios_base::in | ios_base::out);
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    virtual pos_type seekpos(pos_type sp,
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                             ios_base::openmode which = ios_base::in | ios_base::out);
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};
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template <class charT, class traits, class Allocator>
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  void swap(basic_stringbuf<charT, traits, Allocator>& x,
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            basic_stringbuf<charT, traits, Allocator>& y);
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typedef basic_stringbuf<char>    stringbuf;
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typedef basic_stringbuf<wchar_t> wstringbuf;
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template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
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class basic_istringstream
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    : public basic_istream<charT, traits>
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{
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public:
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    typedef charT                          char_type;
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    typedef traits                         traits_type;
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    typedef typename traits_type::int_type int_type;
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    typedef typename traits_type::pos_type pos_type;
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    typedef typename traits_type::off_type off_type;
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    typedef Allocator                      allocator_type;
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    // 27.8.2.1 Constructors:
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    explicit basic_istringstream(ios_base::openmode which = ios_base::in);
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    explicit basic_istringstream(const basic_string<char_type, traits_type,allocator_type>& str,
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                                 ios_base::openmode which = ios_base::in);
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    basic_istringstream(basic_istringstream&& rhs);
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    // 27.8.2.2 Assign and swap:
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    basic_istringstream& operator=(basic_istringstream&& rhs);
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    void swap(basic_istringstream& rhs);
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    // 27.8.2.3 Members:
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    basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
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    basic_string<char_type, traits_type, allocator_type> str() const;
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    void str(const basic_string<char_type, traits_type, allocator_type>& s);
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};
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template <class charT, class traits, class Allocator>
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  void swap(basic_istringstream<charT, traits, Allocator>& x,
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            basic_istringstream<charT, traits, Allocator>& y);
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typedef basic_istringstream<char>    istringstream;
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typedef basic_istringstream<wchar_t> wistringstream;
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template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
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class basic_ostringstream
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    : public basic_ostream<charT, traits>
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{
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public:
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    // types:
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    typedef charT                          char_type;
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    typedef traits                         traits_type;
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    typedef typename traits_type::int_type int_type;
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    typedef typename traits_type::pos_type pos_type;
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    typedef typename traits_type::off_type off_type;
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    typedef Allocator                      allocator_type;
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    // 27.8.3.1 Constructors/destructor:
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    explicit basic_ostringstream(ios_base::openmode which = ios_base::out);
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    explicit basic_ostringstream(const basic_string<char_type, traits_type, allocator_type>& str,
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                                 ios_base::openmode which = ios_base::out);
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    basic_ostringstream(basic_ostringstream&& rhs);
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    // 27.8.3.2 Assign/swap:
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    basic_ostringstream& operator=(basic_ostringstream&& rhs);
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    void swap(basic_ostringstream& rhs);
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    // 27.8.3.3 Members:
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    basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
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    basic_string<char_type, traits_type, allocator_type> str() const;
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    void str(const basic_string<char_type, traits_type, allocator_type>& s);
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};
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template <class charT, class traits, class Allocator>
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  void swap(basic_ostringstream<charT, traits, Allocator>& x,
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            basic_ostringstream<charT, traits, Allocator>& y);
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typedef basic_ostringstream<char>    ostringstream;
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typedef basic_ostringstream<wchar_t> wostringstream;
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template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
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class basic_stringstream
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    : public basic_iostream<charT, traits>
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{
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public:
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    // types:
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    typedef charT                          char_type;
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    typedef traits                         traits_type;
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    typedef typename traits_type::int_type int_type;
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    typedef typename traits_type::pos_type pos_type;
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    typedef typename traits_type::off_type off_type;
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    typedef Allocator                      allocator_type;
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    // constructors/destructor
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    explicit basic_stringstream(ios_base::openmode which = ios_base::out|ios_base::in);
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    explicit basic_stringstream(const basic_string<char_type, traits_type, allocator_type>& str,
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                                ios_base::openmode which = ios_base::out|ios_base::in);
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    basic_stringstream(basic_stringstream&& rhs);
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    // 27.8.5.1 Assign/swap:
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    basic_stringstream& operator=(basic_stringstream&& rhs);
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    void swap(basic_stringstream& rhs);
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    // Members:
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    basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
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    basic_string<char_type, traits_type, allocator_type> str() const;
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    void str(const basic_string<char_type, traits_type, allocator_type>& str);
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};
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template <class charT, class traits, class Allocator>
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  void swap(basic_stringstream<charT, traits, Allocator>& x,
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            basic_stringstream<charT, traits, Allocator>& y);
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typedef basic_stringstream<char>    stringstream;
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typedef basic_stringstream<wchar_t> wstringstream;
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}  // std
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*/
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#include <__config>
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#include <ostream>
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#include <istream>
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#include <string>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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#pragma GCC system_header
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#endif
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_LIBCPP_PUSH_MACROS
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#include <__undef_macros>
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_LIBCPP_BEGIN_NAMESPACE_STD
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// basic_stringbuf
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template <class _CharT, class _Traits, class _Allocator>
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class _LIBCPP_TEMPLATE_VIS basic_stringbuf
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    : public basic_streambuf<_CharT, _Traits>
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{
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public:
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    typedef _CharT                         char_type;
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    typedef _Traits                        traits_type;
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    typedef typename traits_type::int_type int_type;
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    typedef typename traits_type::pos_type pos_type;
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    typedef typename traits_type::off_type off_type;
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    typedef _Allocator                     allocator_type;
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    typedef basic_string<char_type, traits_type, allocator_type> string_type;
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private:
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    string_type __str_;
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    mutable char_type* __hm_;
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    ios_base::openmode __mode_;
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public:
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    // 27.8.1.1 Constructors:
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    inline _LIBCPP_INLINE_VISIBILITY
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    explicit basic_stringbuf(ios_base::openmode __wch = ios_base::in | ios_base::out);
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    inline _LIBCPP_INLINE_VISIBILITY
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    explicit basic_stringbuf(const string_type& __s,
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                             ios_base::openmode __wch = ios_base::in | ios_base::out);
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#ifndef _LIBCPP_CXX03_LANG
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    basic_stringbuf(basic_stringbuf&& __rhs);
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    // 27.8.1.2 Assign and swap:
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    basic_stringbuf& operator=(basic_stringbuf&& __rhs);
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#endif
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    void swap(basic_stringbuf& __rhs);
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    // 27.8.1.3 Get and set:
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    string_type str() const;
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    void str(const string_type& __s);
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protected:
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    // 27.8.1.4 Overridden virtual functions:
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    virtual int_type underflow();
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    virtual int_type pbackfail(int_type __c = traits_type::eof());
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    virtual int_type overflow (int_type __c = traits_type::eof());
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    virtual pos_type seekoff(off_type __off, ios_base::seekdir __way,
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                             ios_base::openmode __wch = ios_base::in | ios_base::out);
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    inline _LIBCPP_INLINE_VISIBILITY
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    virtual pos_type seekpos(pos_type __sp,
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                             ios_base::openmode __wch = ios_base::in | ios_base::out);
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};
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template <class _CharT, class _Traits, class _Allocator>
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basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(ios_base::openmode __wch)
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    : __hm_(0),
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      __mode_(__wch)
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{
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}
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template <class _CharT, class _Traits, class _Allocator>
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basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(const string_type& __s,
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                             ios_base::openmode __wch)
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    : __str_(__s.get_allocator()),
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      __hm_(0),
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      __mode_(__wch)
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{
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    str(__s);
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}
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#ifndef _LIBCPP_CXX03_LANG
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template <class _CharT, class _Traits, class _Allocator>
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basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(basic_stringbuf&& __rhs)
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    : __mode_(__rhs.__mode_)
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{
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    char_type* __p = const_cast<char_type*>(__rhs.__str_.data());
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    ptrdiff_t __binp = -1;
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    ptrdiff_t __ninp = -1;
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    ptrdiff_t __einp = -1;
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    if (__rhs.eback() != nullptr)
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    {
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        __binp = __rhs.eback() - __p;
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        __ninp = __rhs.gptr() - __p;
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        __einp = __rhs.egptr() - __p;
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    }
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    ptrdiff_t __bout = -1;
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    ptrdiff_t __nout = -1;
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    ptrdiff_t __eout = -1;
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    if (__rhs.pbase() != nullptr)
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    {
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        __bout = __rhs.pbase() - __p;
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        __nout = __rhs.pptr() - __p;
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        __eout = __rhs.epptr() - __p;
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    }
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    ptrdiff_t __hm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p;
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    __str_ = _VSTD::move(__rhs.__str_);
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    __p = const_cast<char_type*>(__str_.data());
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    if (__binp != -1)
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        this->setg(__p + __binp, __p + __ninp, __p + __einp);
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    if (__bout != -1)
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    {
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        this->setp(__p + __bout, __p + __eout);
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        this->__pbump(__nout);
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    }
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    __hm_ = __hm == -1 ? nullptr : __p + __hm;
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    __p = const_cast<char_type*>(__rhs.__str_.data());
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    __rhs.setg(__p, __p, __p);
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    __rhs.setp(__p, __p);
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    __rhs.__hm_ = __p;
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    this->pubimbue(__rhs.getloc());
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}
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template <class _CharT, class _Traits, class _Allocator>
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basic_stringbuf<_CharT, _Traits, _Allocator>&
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basic_stringbuf<_CharT, _Traits, _Allocator>::operator=(basic_stringbuf&& __rhs)
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{
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    char_type* __p = const_cast<char_type*>(__rhs.__str_.data());
 | 
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    ptrdiff_t __binp = -1;
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    ptrdiff_t __ninp = -1;
 | 
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    ptrdiff_t __einp = -1;
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    if (__rhs.eback() != nullptr)
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    {
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        __binp = __rhs.eback() - __p;
 | 
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        __ninp = __rhs.gptr() - __p;
 | 
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        __einp = __rhs.egptr() - __p;
 | 
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    }
 | 
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    ptrdiff_t __bout = -1;
 | 
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    ptrdiff_t __nout = -1;
 | 
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    ptrdiff_t __eout = -1;
 | 
						|
    if (__rhs.pbase() != nullptr)
 | 
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    {
 | 
						|
        __bout = __rhs.pbase() - __p;
 | 
						|
        __nout = __rhs.pptr() - __p;
 | 
						|
        __eout = __rhs.epptr() - __p;
 | 
						|
    }
 | 
						|
    ptrdiff_t __hm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p;
 | 
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    __str_ = _VSTD::move(__rhs.__str_);
 | 
						|
    __p = const_cast<char_type*>(__str_.data());
 | 
						|
    if (__binp != -1)
 | 
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        this->setg(__p + __binp, __p + __ninp, __p + __einp);
 | 
						|
    else
 | 
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        this->setg(nullptr, nullptr, nullptr);
 | 
						|
    if (__bout != -1)
 | 
						|
    {
 | 
						|
        this->setp(__p + __bout, __p + __eout);
 | 
						|
        this->__pbump(__nout);
 | 
						|
    }
 | 
						|
    else
 | 
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        this->setp(nullptr, nullptr);
 | 
						|
 | 
						|
    __hm_ = __hm == -1 ? nullptr : __p + __hm;
 | 
						|
    __mode_ = __rhs.__mode_;
 | 
						|
    __p = const_cast<char_type*>(__rhs.__str_.data());
 | 
						|
    __rhs.setg(__p, __p, __p);
 | 
						|
    __rhs.setp(__p, __p);
 | 
						|
    __rhs.__hm_ = __p;
 | 
						|
    this->pubimbue(__rhs.getloc());
 | 
						|
    return *this;
 | 
						|
}
 | 
						|
 | 
						|
#endif  // _LIBCPP_CXX03_LANG
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
void
 | 
						|
basic_stringbuf<_CharT, _Traits, _Allocator>::swap(basic_stringbuf& __rhs)
 | 
						|
{
 | 
						|
    char_type* __p = const_cast<char_type*>(__rhs.__str_.data());
 | 
						|
    ptrdiff_t __rbinp = -1;
 | 
						|
    ptrdiff_t __rninp = -1;
 | 
						|
    ptrdiff_t __reinp = -1;
 | 
						|
    if (__rhs.eback() != nullptr)
 | 
						|
    {
 | 
						|
        __rbinp = __rhs.eback() - __p;
 | 
						|
        __rninp = __rhs.gptr() - __p;
 | 
						|
        __reinp = __rhs.egptr() - __p;
 | 
						|
    }
 | 
						|
    ptrdiff_t __rbout = -1;
 | 
						|
    ptrdiff_t __rnout = -1;
 | 
						|
    ptrdiff_t __reout = -1;
 | 
						|
    if (__rhs.pbase() != nullptr)
 | 
						|
    {
 | 
						|
        __rbout = __rhs.pbase() - __p;
 | 
						|
        __rnout = __rhs.pptr() - __p;
 | 
						|
        __reout = __rhs.epptr() - __p;
 | 
						|
    }
 | 
						|
    ptrdiff_t __rhm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p;
 | 
						|
    __p = const_cast<char_type*>(__str_.data());
 | 
						|
    ptrdiff_t __lbinp = -1;
 | 
						|
    ptrdiff_t __lninp = -1;
 | 
						|
    ptrdiff_t __leinp = -1;
 | 
						|
    if (this->eback() != nullptr)
 | 
						|
    {
 | 
						|
        __lbinp = this->eback() - __p;
 | 
						|
        __lninp = this->gptr() - __p;
 | 
						|
        __leinp = this->egptr() - __p;
 | 
						|
    }
 | 
						|
    ptrdiff_t __lbout = -1;
 | 
						|
    ptrdiff_t __lnout = -1;
 | 
						|
    ptrdiff_t __leout = -1;
 | 
						|
    if (this->pbase() != nullptr)
 | 
						|
    {
 | 
						|
        __lbout = this->pbase() - __p;
 | 
						|
        __lnout = this->pptr() - __p;
 | 
						|
        __leout = this->epptr() - __p;
 | 
						|
    }
 | 
						|
    ptrdiff_t __lhm = __hm_ == nullptr ? -1 : __hm_ - __p;
 | 
						|
    _VSTD::swap(__mode_, __rhs.__mode_);
 | 
						|
    __str_.swap(__rhs.__str_);
 | 
						|
    __p = const_cast<char_type*>(__str_.data());
 | 
						|
    if (__rbinp != -1)
 | 
						|
        this->setg(__p + __rbinp, __p + __rninp, __p + __reinp);
 | 
						|
    else
 | 
						|
        this->setg(nullptr, nullptr, nullptr);
 | 
						|
    if (__rbout != -1)
 | 
						|
    {
 | 
						|
        this->setp(__p + __rbout, __p + __reout);
 | 
						|
        this->__pbump(__rnout);
 | 
						|
    }
 | 
						|
    else
 | 
						|
        this->setp(nullptr, nullptr);
 | 
						|
    __hm_ = __rhm == -1 ? nullptr : __p + __rhm;
 | 
						|
    __p = const_cast<char_type*>(__rhs.__str_.data());
 | 
						|
    if (__lbinp != -1)
 | 
						|
        __rhs.setg(__p + __lbinp, __p + __lninp, __p + __leinp);
 | 
						|
    else
 | 
						|
        __rhs.setg(nullptr, nullptr, nullptr);
 | 
						|
    if (__lbout != -1)
 | 
						|
    {
 | 
						|
        __rhs.setp(__p + __lbout, __p + __leout);
 | 
						|
        __rhs.__pbump(__lnout);
 | 
						|
    }
 | 
						|
    else
 | 
						|
        __rhs.setp(nullptr, nullptr);
 | 
						|
    __rhs.__hm_ = __lhm == -1 ? nullptr : __p + __lhm;
 | 
						|
    locale __tl = __rhs.getloc();
 | 
						|
    __rhs.pubimbue(this->getloc());
 | 
						|
    this->pubimbue(__tl);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
void
 | 
						|
swap(basic_stringbuf<_CharT, _Traits, _Allocator>& __x,
 | 
						|
     basic_stringbuf<_CharT, _Traits, _Allocator>& __y)
 | 
						|
{
 | 
						|
    __x.swap(__y);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>
 | 
						|
basic_stringbuf<_CharT, _Traits, _Allocator>::str() const
 | 
						|
{
 | 
						|
    if (__mode_ & ios_base::out)
 | 
						|
    {
 | 
						|
        if (__hm_ < this->pptr())
 | 
						|
            __hm_ = this->pptr();
 | 
						|
        return string_type(this->pbase(), __hm_, __str_.get_allocator());
 | 
						|
    }
 | 
						|
    else if (__mode_ & ios_base::in)
 | 
						|
        return string_type(this->eback(), this->egptr(), __str_.get_allocator());
 | 
						|
    return string_type(__str_.get_allocator());
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
void
 | 
						|
basic_stringbuf<_CharT, _Traits, _Allocator>::str(const string_type& __s)
 | 
						|
{
 | 
						|
    __str_ = __s;
 | 
						|
    __hm_ = 0;
 | 
						|
    if (__mode_ & ios_base::in)
 | 
						|
    {
 | 
						|
        __hm_ = const_cast<char_type*>(__str_.data()) + __str_.size();
 | 
						|
        this->setg(const_cast<char_type*>(__str_.data()),
 | 
						|
                   const_cast<char_type*>(__str_.data()),
 | 
						|
                   __hm_);
 | 
						|
    }
 | 
						|
    if (__mode_ & ios_base::out)
 | 
						|
    {
 | 
						|
        typename string_type::size_type __sz = __str_.size();
 | 
						|
        __hm_ = const_cast<char_type*>(__str_.data()) + __sz;
 | 
						|
        __str_.resize(__str_.capacity());
 | 
						|
        this->setp(const_cast<char_type*>(__str_.data()),
 | 
						|
                   const_cast<char_type*>(__str_.data()) + __str_.size());
 | 
						|
        if (__mode_ & (ios_base::app | ios_base::ate))
 | 
						|
        {
 | 
						|
            while (__sz > INT_MAX)
 | 
						|
            {
 | 
						|
                this->pbump(INT_MAX);
 | 
						|
                __sz -= INT_MAX;
 | 
						|
            }
 | 
						|
            if (__sz > 0)
 | 
						|
                this->pbump(__sz);
 | 
						|
        }
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type
 | 
						|
basic_stringbuf<_CharT, _Traits, _Allocator>::underflow()
 | 
						|
{
 | 
						|
    if (__hm_ < this->pptr())
 | 
						|
        __hm_ = this->pptr();
 | 
						|
    if (__mode_ & ios_base::in)
 | 
						|
    {
 | 
						|
        if (this->egptr() < __hm_)
 | 
						|
            this->setg(this->eback(), this->gptr(), __hm_);
 | 
						|
        if (this->gptr() < this->egptr())
 | 
						|
            return traits_type::to_int_type(*this->gptr());
 | 
						|
    }
 | 
						|
    return traits_type::eof();
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type
 | 
						|
basic_stringbuf<_CharT, _Traits, _Allocator>::pbackfail(int_type __c)
 | 
						|
{
 | 
						|
    if (__hm_ < this->pptr())
 | 
						|
        __hm_ = this->pptr();
 | 
						|
    if (this->eback() < this->gptr())
 | 
						|
    {
 | 
						|
        if (traits_type::eq_int_type(__c, traits_type::eof()))
 | 
						|
        {
 | 
						|
            this->setg(this->eback(), this->gptr()-1, __hm_);
 | 
						|
            return traits_type::not_eof(__c);
 | 
						|
        }
 | 
						|
        if ((__mode_ & ios_base::out) ||
 | 
						|
            traits_type::eq(traits_type::to_char_type(__c), this->gptr()[-1]))
 | 
						|
        {
 | 
						|
            this->setg(this->eback(), this->gptr()-1, __hm_);
 | 
						|
            *this->gptr() = traits_type::to_char_type(__c);
 | 
						|
            return __c;
 | 
						|
        }
 | 
						|
    }
 | 
						|
    return traits_type::eof();
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type
 | 
						|
basic_stringbuf<_CharT, _Traits, _Allocator>::overflow(int_type __c)
 | 
						|
{
 | 
						|
    if (!traits_type::eq_int_type(__c, traits_type::eof()))
 | 
						|
    {
 | 
						|
        ptrdiff_t __ninp = this->gptr()  - this->eback();
 | 
						|
        if (this->pptr() == this->epptr())
 | 
						|
        {
 | 
						|
            if (!(__mode_ & ios_base::out))
 | 
						|
                return traits_type::eof();
 | 
						|
#ifndef _LIBCPP_NO_EXCEPTIONS
 | 
						|
            try
 | 
						|
            {
 | 
						|
#endif  // _LIBCPP_NO_EXCEPTIONS
 | 
						|
                ptrdiff_t __nout = this->pptr()  - this->pbase();
 | 
						|
                ptrdiff_t __hm = __hm_ - this->pbase();
 | 
						|
                __str_.push_back(char_type());
 | 
						|
                __str_.resize(__str_.capacity());
 | 
						|
                char_type* __p = const_cast<char_type*>(__str_.data());
 | 
						|
                this->setp(__p, __p + __str_.size());
 | 
						|
                this->__pbump(__nout);
 | 
						|
                __hm_ = this->pbase() + __hm;
 | 
						|
#ifndef _LIBCPP_NO_EXCEPTIONS
 | 
						|
            }
 | 
						|
            catch (...)
 | 
						|
            {
 | 
						|
                return traits_type::eof();
 | 
						|
            }
 | 
						|
#endif  // _LIBCPP_NO_EXCEPTIONS
 | 
						|
        }
 | 
						|
        __hm_ = _VSTD::max(this->pptr() + 1, __hm_);
 | 
						|
        if (__mode_ & ios_base::in)
 | 
						|
        {
 | 
						|
            char_type* __p = const_cast<char_type*>(__str_.data());
 | 
						|
            this->setg(__p, __p + __ninp, __hm_);
 | 
						|
        }
 | 
						|
        return this->sputc(traits_type::to_char_type(__c));
 | 
						|
    }
 | 
						|
    return traits_type::not_eof(__c);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
typename basic_stringbuf<_CharT, _Traits, _Allocator>::pos_type
 | 
						|
basic_stringbuf<_CharT, _Traits, _Allocator>::seekoff(off_type __off,
 | 
						|
                                                      ios_base::seekdir __way,
 | 
						|
                                                      ios_base::openmode __wch)
 | 
						|
{
 | 
						|
    if (__hm_ < this->pptr())
 | 
						|
        __hm_ = this->pptr();
 | 
						|
    if ((__wch & (ios_base::in | ios_base::out)) == 0)
 | 
						|
        return pos_type(-1);
 | 
						|
    if ((__wch & (ios_base::in | ios_base::out)) == (ios_base::in | ios_base::out)
 | 
						|
        && __way == ios_base::cur)
 | 
						|
        return pos_type(-1);
 | 
						|
    const ptrdiff_t __hm = __hm_ == nullptr ? 0 : __hm_ - __str_.data();
 | 
						|
    off_type __noff;
 | 
						|
    switch (__way)
 | 
						|
    {
 | 
						|
    case ios_base::beg:
 | 
						|
        __noff = 0;
 | 
						|
        break;
 | 
						|
    case ios_base::cur:
 | 
						|
        if (__wch & ios_base::in)
 | 
						|
            __noff = this->gptr() - this->eback();
 | 
						|
        else
 | 
						|
            __noff = this->pptr() - this->pbase();
 | 
						|
        break;
 | 
						|
    case ios_base::end:
 | 
						|
        __noff = __hm;
 | 
						|
        break;
 | 
						|
    default:
 | 
						|
        return pos_type(-1);
 | 
						|
    }
 | 
						|
    __noff += __off;
 | 
						|
    if (__noff < 0 || __hm < __noff)
 | 
						|
        return pos_type(-1);
 | 
						|
    if (__noff != 0)
 | 
						|
    {
 | 
						|
        if ((__wch & ios_base::in) && this->gptr() == 0)
 | 
						|
            return pos_type(-1);
 | 
						|
        if ((__wch & ios_base::out) && this->pptr() == 0)
 | 
						|
            return pos_type(-1);
 | 
						|
    }
 | 
						|
    if (__wch & ios_base::in)
 | 
						|
        this->setg(this->eback(), this->eback() + __noff, __hm_);
 | 
						|
    if (__wch & ios_base::out)
 | 
						|
    {
 | 
						|
        this->setp(this->pbase(), this->epptr());
 | 
						|
        this->pbump(__noff);
 | 
						|
    }
 | 
						|
    return pos_type(__noff);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
typename basic_stringbuf<_CharT, _Traits, _Allocator>::pos_type
 | 
						|
basic_stringbuf<_CharT, _Traits, _Allocator>::seekpos(pos_type __sp,
 | 
						|
                                                      ios_base::openmode __wch)
 | 
						|
{
 | 
						|
    return seekoff(__sp, ios_base::beg, __wch);
 | 
						|
}
 | 
						|
 | 
						|
// basic_istringstream
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
class _LIBCPP_TEMPLATE_VIS basic_istringstream
 | 
						|
    : public basic_istream<_CharT, _Traits>
 | 
						|
{
 | 
						|
public:
 | 
						|
    typedef _CharT                         char_type;
 | 
						|
    typedef _Traits                        traits_type;
 | 
						|
    typedef typename traits_type::int_type int_type;
 | 
						|
    typedef typename traits_type::pos_type pos_type;
 | 
						|
    typedef typename traits_type::off_type off_type;
 | 
						|
    typedef _Allocator                     allocator_type;
 | 
						|
 | 
						|
    typedef basic_string<char_type, traits_type, allocator_type> string_type;
 | 
						|
 | 
						|
private:
 | 
						|
    basic_stringbuf<char_type, traits_type, allocator_type> __sb_;
 | 
						|
 | 
						|
public:
 | 
						|
    // 27.8.2.1 Constructors:
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    explicit basic_istringstream(ios_base::openmode __wch = ios_base::in);
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    explicit basic_istringstream(const string_type& __s,
 | 
						|
                                 ios_base::openmode __wch = ios_base::in);
 | 
						|
#ifndef _LIBCPP_CXX03_LANG
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_istringstream(basic_istringstream&& __rhs);
 | 
						|
 | 
						|
    // 27.8.2.2 Assign and swap:
 | 
						|
    basic_istringstream& operator=(basic_istringstream&& __rhs);
 | 
						|
#endif  // _LIBCPP_CXX03_LANG
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void swap(basic_istringstream& __rhs);
 | 
						|
 | 
						|
    // 27.8.2.3 Members:
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    string_type str() const;
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void str(const string_type& __s);
 | 
						|
};
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(ios_base::openmode __wch)
 | 
						|
    : basic_istream<_CharT, _Traits>(&__sb_),
 | 
						|
      __sb_(__wch | ios_base::in)
 | 
						|
{
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(const string_type& __s,
 | 
						|
                                                                      ios_base::openmode __wch)
 | 
						|
    : basic_istream<_CharT, _Traits>(&__sb_),
 | 
						|
      __sb_(__s, __wch | ios_base::in)
 | 
						|
{
 | 
						|
}
 | 
						|
 | 
						|
#ifndef _LIBCPP_CXX03_LANG
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(basic_istringstream&& __rhs)
 | 
						|
    : basic_istream<_CharT, _Traits>(_VSTD::move(__rhs)),
 | 
						|
      __sb_(_VSTD::move(__rhs.__sb_))
 | 
						|
{
 | 
						|
    basic_istream<_CharT, _Traits>::set_rdbuf(&__sb_);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_istringstream<_CharT, _Traits, _Allocator>&
 | 
						|
basic_istringstream<_CharT, _Traits, _Allocator>::operator=(basic_istringstream&& __rhs)
 | 
						|
{
 | 
						|
    basic_istream<char_type, traits_type>::operator=(_VSTD::move(__rhs));
 | 
						|
    __sb_ = _VSTD::move(__rhs.__sb_);
 | 
						|
    return *this;
 | 
						|
}
 | 
						|
 | 
						|
#endif  // _LIBCPP_CXX03_LANG
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
void basic_istringstream<_CharT, _Traits, _Allocator>::swap(basic_istringstream& __rhs)
 | 
						|
{
 | 
						|
    basic_istream<char_type, traits_type>::swap(__rhs);
 | 
						|
    __sb_.swap(__rhs.__sb_);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
void
 | 
						|
swap(basic_istringstream<_CharT, _Traits, _Allocator>& __x,
 | 
						|
     basic_istringstream<_CharT, _Traits, _Allocator>& __y)
 | 
						|
{
 | 
						|
    __x.swap(__y);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_stringbuf<_CharT, _Traits, _Allocator>*
 | 
						|
basic_istringstream<_CharT, _Traits, _Allocator>::rdbuf() const
 | 
						|
{
 | 
						|
    return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>
 | 
						|
basic_istringstream<_CharT, _Traits, _Allocator>::str() const
 | 
						|
{
 | 
						|
    return __sb_.str();
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
void basic_istringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s)
 | 
						|
{
 | 
						|
    __sb_.str(__s);
 | 
						|
}
 | 
						|
 | 
						|
// basic_ostringstream
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
class _LIBCPP_TEMPLATE_VIS basic_ostringstream
 | 
						|
    : public basic_ostream<_CharT, _Traits>
 | 
						|
{
 | 
						|
public:
 | 
						|
    typedef _CharT                         char_type;
 | 
						|
    typedef _Traits                        traits_type;
 | 
						|
    typedef typename traits_type::int_type int_type;
 | 
						|
    typedef typename traits_type::pos_type pos_type;
 | 
						|
    typedef typename traits_type::off_type off_type;
 | 
						|
    typedef _Allocator                     allocator_type;
 | 
						|
 | 
						|
    typedef basic_string<char_type, traits_type, allocator_type> string_type;
 | 
						|
 | 
						|
private:
 | 
						|
    basic_stringbuf<char_type, traits_type, allocator_type> __sb_;
 | 
						|
 | 
						|
public:
 | 
						|
    // 27.8.2.1 Constructors:
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    explicit basic_ostringstream(ios_base::openmode __wch = ios_base::out);
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    explicit basic_ostringstream(const string_type& __s,
 | 
						|
                                 ios_base::openmode __wch = ios_base::out);
 | 
						|
#ifndef _LIBCPP_CXX03_LANG
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_ostringstream(basic_ostringstream&& __rhs);
 | 
						|
 | 
						|
    // 27.8.2.2 Assign and swap:
 | 
						|
    basic_ostringstream& operator=(basic_ostringstream&& __rhs);
 | 
						|
#endif  // _LIBCPP_CXX03_LANG
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void swap(basic_ostringstream& __rhs);
 | 
						|
 | 
						|
    // 27.8.2.3 Members:
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    string_type str() const;
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void str(const string_type& __s);
 | 
						|
};
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(ios_base::openmode __wch)
 | 
						|
    : basic_ostream<_CharT, _Traits>(&__sb_),
 | 
						|
      __sb_(__wch | ios_base::out)
 | 
						|
{
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(const string_type& __s,
 | 
						|
                                                                      ios_base::openmode __wch)
 | 
						|
    : basic_ostream<_CharT, _Traits>(&__sb_),
 | 
						|
      __sb_(__s, __wch | ios_base::out)
 | 
						|
{
 | 
						|
}
 | 
						|
 | 
						|
#ifndef _LIBCPP_CXX03_LANG
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(basic_ostringstream&& __rhs)
 | 
						|
    : basic_ostream<_CharT, _Traits>(_VSTD::move(__rhs)),
 | 
						|
      __sb_(_VSTD::move(__rhs.__sb_))
 | 
						|
{
 | 
						|
    basic_ostream<_CharT, _Traits>::set_rdbuf(&__sb_);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_ostringstream<_CharT, _Traits, _Allocator>&
 | 
						|
basic_ostringstream<_CharT, _Traits, _Allocator>::operator=(basic_ostringstream&& __rhs)
 | 
						|
{
 | 
						|
    basic_ostream<char_type, traits_type>::operator=(_VSTD::move(__rhs));
 | 
						|
    __sb_ = _VSTD::move(__rhs.__sb_);
 | 
						|
    return *this;
 | 
						|
}
 | 
						|
 | 
						|
#endif  // _LIBCPP_CXX03_LANG
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
void
 | 
						|
basic_ostringstream<_CharT, _Traits, _Allocator>::swap(basic_ostringstream& __rhs)
 | 
						|
{
 | 
						|
    basic_ostream<char_type, traits_type>::swap(__rhs);
 | 
						|
    __sb_.swap(__rhs.__sb_);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
void
 | 
						|
swap(basic_ostringstream<_CharT, _Traits, _Allocator>& __x,
 | 
						|
     basic_ostringstream<_CharT, _Traits, _Allocator>& __y)
 | 
						|
{
 | 
						|
    __x.swap(__y);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_stringbuf<_CharT, _Traits, _Allocator>*
 | 
						|
basic_ostringstream<_CharT, _Traits, _Allocator>::rdbuf() const
 | 
						|
{
 | 
						|
    return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>
 | 
						|
basic_ostringstream<_CharT, _Traits, _Allocator>::str() const
 | 
						|
{
 | 
						|
    return __sb_.str();
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
void
 | 
						|
basic_ostringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s)
 | 
						|
{
 | 
						|
    __sb_.str(__s);
 | 
						|
}
 | 
						|
 | 
						|
// basic_stringstream
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
class _LIBCPP_TEMPLATE_VIS basic_stringstream
 | 
						|
    : public basic_iostream<_CharT, _Traits>
 | 
						|
{
 | 
						|
public:
 | 
						|
    typedef _CharT                         char_type;
 | 
						|
    typedef _Traits                        traits_type;
 | 
						|
    typedef typename traits_type::int_type int_type;
 | 
						|
    typedef typename traits_type::pos_type pos_type;
 | 
						|
    typedef typename traits_type::off_type off_type;
 | 
						|
    typedef _Allocator                     allocator_type;
 | 
						|
 | 
						|
    typedef basic_string<char_type, traits_type, allocator_type> string_type;
 | 
						|
 | 
						|
private:
 | 
						|
    basic_stringbuf<char_type, traits_type, allocator_type> __sb_;
 | 
						|
 | 
						|
public:
 | 
						|
    // 27.8.2.1 Constructors:
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    explicit basic_stringstream(ios_base::openmode __wch = ios_base::in | ios_base::out);
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    explicit basic_stringstream(const string_type& __s,
 | 
						|
                                ios_base::openmode __wch = ios_base::in | ios_base::out);
 | 
						|
#ifndef _LIBCPP_CXX03_LANG
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_stringstream(basic_stringstream&& __rhs);
 | 
						|
 | 
						|
    // 27.8.2.2 Assign and swap:
 | 
						|
    basic_stringstream& operator=(basic_stringstream&& __rhs);
 | 
						|
#endif  // _LIBCPP_CXX03_LANG
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void swap(basic_stringstream& __rhs);
 | 
						|
 | 
						|
    // 27.8.2.3 Members:
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    string_type str() const;
 | 
						|
    inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
    void str(const string_type& __s);
 | 
						|
};
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(ios_base::openmode __wch)
 | 
						|
    : basic_iostream<_CharT, _Traits>(&__sb_),
 | 
						|
      __sb_(__wch)
 | 
						|
{
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(const string_type& __s,
 | 
						|
                                                                    ios_base::openmode __wch)
 | 
						|
    : basic_iostream<_CharT, _Traits>(&__sb_),
 | 
						|
      __sb_(__s, __wch)
 | 
						|
{
 | 
						|
}
 | 
						|
 | 
						|
#ifndef _LIBCPP_CXX03_LANG
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(basic_stringstream&& __rhs)
 | 
						|
    : basic_iostream<_CharT, _Traits>(_VSTD::move(__rhs)),
 | 
						|
      __sb_(_VSTD::move(__rhs.__sb_))
 | 
						|
{
 | 
						|
    basic_istream<_CharT, _Traits>::set_rdbuf(&__sb_);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_stringstream<_CharT, _Traits, _Allocator>&
 | 
						|
basic_stringstream<_CharT, _Traits, _Allocator>::operator=(basic_stringstream&& __rhs)
 | 
						|
{
 | 
						|
    basic_iostream<char_type, traits_type>::operator=(_VSTD::move(__rhs));
 | 
						|
    __sb_ = _VSTD::move(__rhs.__sb_);
 | 
						|
    return *this;
 | 
						|
}
 | 
						|
 | 
						|
#endif  // _LIBCPP_CXX03_LANG
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
void
 | 
						|
basic_stringstream<_CharT, _Traits, _Allocator>::swap(basic_stringstream& __rhs)
 | 
						|
{
 | 
						|
    basic_iostream<char_type, traits_type>::swap(__rhs);
 | 
						|
    __sb_.swap(__rhs.__sb_);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
inline _LIBCPP_INLINE_VISIBILITY
 | 
						|
void
 | 
						|
swap(basic_stringstream<_CharT, _Traits, _Allocator>& __x,
 | 
						|
     basic_stringstream<_CharT, _Traits, _Allocator>& __y)
 | 
						|
{
 | 
						|
    __x.swap(__y);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_stringbuf<_CharT, _Traits, _Allocator>*
 | 
						|
basic_stringstream<_CharT, _Traits, _Allocator>::rdbuf() const
 | 
						|
{
 | 
						|
    return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_);
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
basic_string<_CharT, _Traits, _Allocator>
 | 
						|
basic_stringstream<_CharT, _Traits, _Allocator>::str() const
 | 
						|
{
 | 
						|
    return __sb_.str();
 | 
						|
}
 | 
						|
 | 
						|
template <class _CharT, class _Traits, class _Allocator>
 | 
						|
void
 | 
						|
basic_stringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s)
 | 
						|
{
 | 
						|
    __sb_.str(__s);
 | 
						|
}
 | 
						|
 | 
						|
_LIBCPP_END_NAMESPACE_STD
 | 
						|
 | 
						|
_LIBCPP_POP_MACROS
 | 
						|
 | 
						|
#endif  // _LIBCPP_SSTREAM
 |