add_rvalue_reference.hpp

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// SPDX-License-Identifier: BSL-1.0
// SPDX-FileCopyrightText: Copyright (C) 2019 Tobias Hienzsch
 
#ifndef TETL_TYPE_TRAITS_ADD_RVALUE_REFERENCE_HPP
#define TETL_TYPE_TRAITS_ADD_RVALUE_REFERENCE_HPP
 
#include <etl/_type_traits/type_identity.hpp>
 
namespace etl {
 
namespace detail {
 
template <typename T>
auto try_add_rvalue_reference(int) -> type_identity<T&&>;
 
template <typename T>
auto try_add_rvalue_reference(...) -> type_identity<T>;
 
} // namespace detail
 
/// \brief Creates a rvalue reference type of T.
/// \headerfile etl/type_traits.hpp
template <typename T>
struct add_rvalue_reference : decltype(detail::try_add_rvalue_reference<T>(0)) { };
 
/// \relates add_rvalue_reference
template <typename T>
using add_rvalue_reference_t = typename add_rvalue_reference<T>::type;
 
} // namespace etl
 
#endif // TETL_TYPE_TRAITS_ADD_RVALUE_REFERENCE_HPP