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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <iterator>
// template<class NotAnIterator>
// struct iterator_traits
// {
// };
#include <iterator>
struct not_an_iterator
{
};
template <class T>
struct has_value_type
{
private:
struct two {char lx; char lxx;};
template <class U> static two test(...);
template <class U> static char test(typename U::value_type* = 0);
public:
static const bool value = sizeof(test<T>(0)) == 1;
};
int main()
{
typedef std::iterator_traits<not_an_iterator> It;
static_assert(!(has_value_type<It>::value), "");
}
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