//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <iterator>
// template<class NotAnIterator>
// struct iterator_traits
// {
// };
#include <iterator>
#include "test_macros.h"
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(int, char**)
{
typedef std::iterator_traits<not_an_iterator> It;
static_assert(!(has_value_type<It>::value), "");
return 0;
}