| 1 | /* |
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| 2 | Copyright 2020 Glen Joseph Fernandes |
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| 3 | (glenjofe@gmail.com) |
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| 4 | |
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| 5 | Distributed under the Boost Software License, |
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| 6 | Version 1.0. (See accompanying file LICENSE_1_0.txt |
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| 7 | or copy at http://www.boost.org/LICENSE_1_0.txt) |
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| 8 | */ |
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| 9 | |
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| 10 | #ifndef BOOST_TT_NEGATION_HPP_INCLUDED |
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| 11 | #define BOOST_TT_NEGATION_HPP_INCLUDED |
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| 12 | |
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| 13 | #include <boost/type_traits/integral_constant.hpp> |
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| 14 | |
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| 15 | namespace boost { |
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| 16 | |
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| 17 | template<class T> |
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| 18 | struct negation |
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| 19 | : integral_constant<bool, !bool(T::value)> { }; |
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| 20 | |
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| 21 | } /* boost */ |
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| 22 | |
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| 23 | #endif |
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| 24 | |
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