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// Range v3 library
//
// Use, modification and distribution is subject to the
// Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// Project home: https://github.com/ericniebler/range-v3
#include <cstddef>
#include <iterator>
#include <range/v3/iterator.hpp>
struct X { };
namespace std {
template<> struct iterator_traits<X> { };
}
struct Y {
using difference_type = std::ptrdiff_t;
using value_type = int;
using pointer = int*;
using reference = int&;
using iterator_category = std::forward_iterator_tag;
};
static_assert(ranges::detail::is_std_iterator_traits_specialized_v<X>, "");
static_assert(!ranges::detail::is_std_iterator_traits_specialized_v<Y>, "");
static_assert(!ranges::detail::is_std_iterator_traits_specialized_v<int*>, "");
int main()
{
}
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