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diff --git a/boost/poly_collection/detail/is_nothrow_eq_comparable.hpp b/boost/poly_collection/detail/is_nothrow_eq_comparable.hpp
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+++ b/boost/poly_collection/detail/is_nothrow_eq_comparable.hpp
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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