is_const.hpp

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// SPDX-License-Identifier: BSL-1.0
// SPDX-FileCopyrightText: Copyright (C) 2019 Tobias Hienzsch
 
#ifndef TETL_TYPE_TRAITS_IS_CONST_HPP
#define TETL_TYPE_TRAITS_IS_CONST_HPP
 
#include <etl/_type_traits/bool_constant.hpp>
 
namespace etl {
 
/// \brief If T is a const-qualified type (that is, const, or const volatile),
/// provides the member constant value equal to true. For any other type, value
/// is false.
template <typename T>
struct is_const : false_type { };
 
template <typename T>
struct is_const<T const> : true_type { };
 
template <typename T>
inline constexpr bool is_const_v = is_const<T>::value;
 
} // namespace etl
 
#endif // TETL_TYPE_TRAITS_IS_CONST_HPP