diff options
Diffstat (limited to 'boost/poly_collection/detail/is_nothrow_eq_comparable.hpp')
-rw-r--r-- | boost/poly_collection/detail/is_nothrow_eq_comparable.hpp | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/boost/poly_collection/detail/is_nothrow_eq_comparable.hpp b/boost/poly_collection/detail/is_nothrow_eq_comparable.hpp new file mode 100644 index 0000000000..7448b65e54 --- /dev/null +++ b/boost/poly_collection/detail/is_nothrow_eq_comparable.hpp @@ -0,0 +1,46 @@ +/* Copyright 2016-2017 Joaquin M Lopez Munoz. + * Distributed under 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) + * + * See http://www.boost.org/libs/poly_collection for library home page. + */ + +#ifndef BOOST_POLY_COLLECTION_DETAIL_IS_NOTHROW_EQ_COMPARABLE_HPP +#define BOOST_POLY_COLLECTION_DETAIL_IS_NOTHROW_EQ_COMPARABLE_HPP + +#if defined(_MSC_VER) +#pragma once +#endif + +#include <boost/poly_collection/detail/is_equality_comparable.hpp> +#include <type_traits> +#include <utility> + +namespace boost{ + +namespace poly_collection{ + +namespace detail{ + +template<typename T,typename=void> +struct is_nothrow_equality_comparable:std::false_type{}; + +template<typename T> +struct is_nothrow_equality_comparable< + T, + typename std::enable_if< + is_equality_comparable<T>::value + >::type +>:std::integral_constant< + bool, + noexcept(std::declval<T>()==std::declval<T>()) +>{}; + +} /* namespace poly_collection::detail */ + +} /* namespace poly_collection */ + +} /* namespace boost */ + +#endif |