negation.hpp

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// SPDX-License-Identifier: BSL-1.0
// SPDX-FileCopyrightText: Copyright (C) 2019 Tobias Hienzsch
 
#ifndef TETL_TYPE_TRAITS_NEGATION_HPP
#define TETL_TYPE_TRAITS_NEGATION_HPP
 
#include <etl/_type_traits/bool_constant.hpp>
 
namespace etl {
 
/// \brief Forms the logical negation of the type trait B.
template <typename B>
struct negation : bool_constant<not static_cast<bool>(B::value)> { };
 
template <typename B>
inline constexpr bool negation_v = not static_cast<bool>(B::value);
 
} // namespace etl
 
#endif // TETL_TYPE_TRAITS_NEGATION_HPP