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authorDongHun Kwak <dh0128.kwak@samsung.com>2017-09-13 11:24:46 +0900
committerDongHun Kwak <dh0128.kwak@samsung.com>2017-09-13 11:25:39 +0900
commit4fadd968fa12130524c8380f33fcfe25d4de79e5 (patch)
treefd26a490cd15388d42fc6652b3c5c13012e7f93e /boost/poly_collection/detail/is_nothrow_eq_comparable.hpp
parentb5c87084afaef42b2d058f68091be31988a6a874 (diff)
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Change-Id: Icf8400b375482cb11bcf77440a6934ba360d6ba4 Signed-off-by: DongHun Kwak <dh0128.kwak@samsung.com>
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+/* 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