blob: 38fc8b5f074eb2382872df6cd58423e08bf20e78 [file] [log] [blame]
// 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