is_nothrow_swappable.hpp

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// SPDX-License-Identifier: BSL-1.0
// SPDX-FileCopyrightText: Copyright (C) 2019 Tobias Hienzsch
 
#ifndef TETL_TYPE_TRAITS_IS_NOTHROW_SWAPPABLE_HPP
#define TETL_TYPE_TRAITS_IS_NOTHROW_SWAPPABLE_HPP
 
#include <etl/_type_traits/add_lvalue_reference.hpp>
#include <etl/_type_traits/is_nothrow_swappable_with.hpp>
 
namespace etl {
 
/// \brief If T is not a referenceable type (i.e., possibly cv-qualified void or
/// a function type with a cv-qualifier-seq or a ref-qualifier), provides a
/// member constant value equal to false. Otherwise, provides a member constant
/// value equal to etl::is_nothrow_swappable_with<T&, T&>::value
template <typename T>
struct is_nothrow_swappable : is_nothrow_swappable_with<add_lvalue_reference_t<T>, add_lvalue_reference_t<T>>::type { };
 
template <typename T>
inline constexpr bool is_nothrow_swappable_v = is_nothrow_swappable<T>::value;
 
} // namespace etl
 
#endif // TETL_TYPE_TRAITS_IS_NOTHROW_SWAPPABLE_HPP