boost/type_traits/negation.hpp

0001 /*
0002 Copyright 2020 Glen Joseph Fernandes
0003 (glenjofe@gmail.com)
0004
0005 Distributed under the Boost Software License,
0006 Version 1.0. (See accompanying file LICENSE_1_0.txt
0007 or copy at http://www.boost.org/LICENSE_1_0.txt)
0008 */
0009
0010 #ifndef BOOST_TT_NEGATION_HPP_INCLUDED
0011 #define BOOST_TT_NEGATION_HPP_INCLUDED
0012
0013 #include <boost/type_traits/integral_constant.hpp>
0014
0015 namespace boost {
0016
0017 template<class T>
0018 struct negation
0019     : integral_constant<bool, !bool(T::value)> { };
0020
0021 } /* boost */
0022
0023 #endif