is_reference_wrapper.hpp

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// Copyright 2024, Toyota Motor Corporation
//
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
#ifndef INCLUDE_GUARD_ARENE_BASE_ARENE_BASE_TYPE_TRAITS_IS_REFERENCE_WRAPPER_HPP_
#define INCLUDE_GUARD_ARENE_BASE_ARENE_BASE_TYPE_TRAITS_IS_REFERENCE_WRAPPER_HPP_
 
// IWYU pragma: private, include "arene/base/type_traits.hpp"
// IWYU pragma: friend "(arene/base(?!/tests)|stdlib/include/stdlib_detail)/.*"
 
// Use forward declaration when building stdlib to avoid circular dependecy
#include "arene/base/stdlib_choice/reference_wrapper_fwd.hpp"
 
namespace arene {
namespace base {
 
template <typename T>
constexpr bool is_reference_wrapper_v = false;
 
template <typename T>
constexpr bool is_reference_wrapper_v<std::reference_wrapper<T>> = true;
 
}  // namespace base
}  // namespace arene
 
#endif  // INCLUDE_GUARD_ARENE_BASE_ARENE_BASE_TYPE_TRAITS_IS_REFERENCE_WRAPPER_HPP_