folly/folly/io/async/WriteFlags.h

/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * 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
 *
 *     http://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

namespace folly {

/*
 * flags given by the application for write* calls
 */
enum class WriteFlags : uint32_t { … };

/*
 * union operator
 */
constexpr WriteFlags operator|(WriteFlags a, WriteFlags b) { … }

/*
 * compound assignment union operator
 */
constexpr WriteFlags& operator|=(WriteFlags& a, WriteFlags b) { … }

/*
 * intersection operator
 */
constexpr WriteFlags operator&(WriteFlags a, WriteFlags b) { … }

/*
 * compound assignment intersection operator
 */
constexpr WriteFlags& operator&=(WriteFlags& a, WriteFlags b) { … }

/*
 * exclusion parameter
 */
constexpr WriteFlags operator~(WriteFlags a) { … }

/*
 * unset operator
 */
constexpr WriteFlags unSet(WriteFlags a, WriteFlags b) { … }

/*
 * inclusion operator
 */
constexpr bool isSet(WriteFlags a, WriteFlags b) { … }

/**
 * Write flags that are related to timestamping.
 */
constexpr WriteFlags kWriteFlagsForTimestamping = …;

} // namespace folly