forked from OSchip/llvm-project
36 lines
1.2 KiB
C++
36 lines
1.2 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <iterator>
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// template<class T>
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// struct iterator_traits<T*>
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// {
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// typedef ptrdiff_t difference_type;
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// typedef T value_type;
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// typedef T* pointer;
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// typedef T& reference;
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// typedef random_access_iterator_tag iterator_category;
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// };
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#include <iterator>
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#include <type_traits>
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struct A {};
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int main()
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{
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typedef std::iterator_traits<A*> It;
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static_assert((std::is_same<It::difference_type, std::ptrdiff_t>::value), "");
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static_assert((std::is_same<It::value_type, A>::value), "");
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static_assert((std::is_same<It::pointer, A*>::value), "");
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static_assert((std::is_same<It::reference, A&>::value), "");
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static_assert((std::is_same<It::iterator_category, std::random_access_iterator_tag>::value), "");
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}
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