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libcxx initial import

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
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Howard Hinnant
2010-05-11 19:42:16 +00:00
commit bc8d3f97eb
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43
test/iterators/iterator.primitives/iterator.traits/iterator.pass.cpp Normal file
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//===----------------------------------------------------------------------===//
//
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <iterator>
// template<class Iter>
// struct iterator_traits
// {
// typedef typename Iter::difference_type difference_type;
// typedef typename Iter::value_type value_type;
// typedef typename Iter::pointer pointer;
// typedef typename Iter::reference reference;
// typedef typename Iter::iterator_category iterator_category;
// };
#include <iterator>
#include <type_traits>
struct A {};
struct test_iterator
{
typedef int difference_type;
typedef A value_type;
typedef A* pointer;
typedef A& reference;
typedef std::forward_iterator_tag iterator_category;
};
int main()
{
typedef std::iterator_traits<test_iterator> It;
static_assert((std::is_same<It::difference_type, int>::value), "");
static_assert((std::is_same<It::value_type, A>::value), "");
static_assert((std::is_same<It::pointer, A*>::value), "");
static_assert((std::is_same<It::iterator_category, std::forward_iterator_tag>::value), "");
}