bc8d3f97eb
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
36 lines
1.2 KiB
C++
36 lines
1.2 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe 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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// <iterator>
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// template<class T>
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// struct iterator_traits<const 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 const T* pointer;
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// typedef const 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<const 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, const A*>::value), "");
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static_assert((std::is_same<It::reference, const 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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