common_reference_with.hpp

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// SPDX-License-Identifier: BSL-1.0
// SPDX-FileCopyrightText: Copyright (C) 2021 Tobias Hienzsch
 
#ifndef TETL_CONCEPTS_COMMON_REFERENCE_WITH_HPP
#define TETL_CONCEPTS_COMMON_REFERENCE_WITH_HPP
 
#include <etl/_concepts/convertible_to.hpp>
#include <etl/_concepts/same_as.hpp>
#include <etl/_type_traits/common_reference.hpp>
 
namespace etl {
 
/// \ingroup concepts
template <typename T, typename U>
concept common_reference_with = same_as<common_reference_t<T, U>, common_reference_t<U, T>>
                            and convertible_to<T, common_reference_t<T, U>>
                            and convertible_to<U, common_reference_t<T, U>>;
 
} // namespace etl
 
#endif // TETL_CONCEPTS_COMMON_REFERENCE_WITH_HPP