| // Copyright 2020 The Pigweed Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| // use this file except in compliance with the License. You may obtain a copy of |
| // the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| // License for the specific language governing permissions and limitations under |
| // the License. |
| #pragma once |
| |
| #include "pw_polyfill/standard_library/namespace.h" |
| |
| // Placement new |
| inline void* operator new(decltype(sizeof(0)), void* ptr) { return ptr; } |
| |
| #define __cpp_lib_launder 201606L |
| |
| _PW_POLYFILL_BEGIN_NAMESPACE_STD |
| |
| template <typename T> |
| [[nodiscard]] constexpr T* launder(T* pointer) noexcept { |
| return __builtin_launder(pointer); |
| } |
| |
| _PW_POLYFILL_END_NAMESPACE_STD |
