1 /* Copyright 2017-2018 Joaquin M Lopez Munoz.
2  * Distributed under the Boost Software License, Version 1.0.
3  * (See accompanying file LICENSE_1_0.txt or copy at
4  * http://www.boost.org/LICENSE_1_0.txt)
5  *
6  * See http://www.boost.org/libs/poly_collection for library home page.
7  */
8 
9 #ifndef BOOST_POLY_COLLECTION_DETAIL_IS_EQUALITY_COMPARABLE_HPP
10 #define BOOST_POLY_COLLECTION_DETAIL_IS_EQUALITY_COMPARABLE_HPP
11 
12 #if defined(_MSC_VER)
13 #pragma once
14 #endif
15 
16 #include <boost/type_traits/has_equal_to.hpp>
17 #include <type_traits>
18 
19 namespace boost{
20 
21 namespace poly_collection{
22 
23 namespace detail{
24 
25 template<typename T>
26 using is_equality_comparable=std::integral_constant<
27   bool,
28   has_equal_to<T,T,bool>::value
29 >;
30 
31 } /* namespace poly_collection::detail */
32 
33 } /* namespace poly_collection */
34 
35 } /* namespace boost */
36 
37 #endif
38