// Copyright 2021 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef BASE_CXX20_TO_ADDRESS_H_ #define BASE_CXX20_TO_ADDRESS_H_ #include namespace base { // Simplified C++14 implementation of C++20's std::to_address. // Note: This does not consider specializations of pointer_traits<>::to_address, // since that member function may only be present in C++20 and later. // // Reference: https://wg21.link/pointer.conversion#lib:to_address template constexpr T* to_address(T* p) noexcept { static_assert(!std::is_function::value, "Error: T must not be a function type."); return p; } template constexpr auto to_address(const Ptr& p) noexcept { return to_address(p.operator->()); } } // namespace base #endif // BASE_CXX20_TO_ADDRESS_H_