folly/folly/futures/Promise-inl.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

#include <atomic>
#include <thread>
#include <utility>

#include <folly/executors/InlineExecutor.h>
#include <folly/futures/detail/Core.h>

namespace folly {

namespace futures {
namespace detail {
template <typename T>
void coreDetachPromiseMaybeWithResult(Core<T>& core) { … }
template <typename T>
void setTry(Promise<T>& p, Executor::KeepAlive<>&& ka, Try<T>&& t) { … }
} // namespace detail
} // namespace futures

template <class T>
Promise<T> Promise<T>::makeEmpty() noexcept { … }

template <class T>
Promise<T>::Promise() : … { … }

template <class T>
Promise<T>::Promise(Promise<T>&& other) noexcept
    : … { … }

template <class T>
Promise<T>& Promise<T>::operator=(Promise<T>&& other) noexcept { … }

template <class T>
void Promise<T>::throwIfFulfilled() const { … }

template <class T>
Promise<T>::Promise(futures::detail::EmptyConstruct) noexcept
    : … { … }

template <class T>
Promise<T>::~Promise() { … }

template <class T>
void Promise<T>::detach() { … }

template <class T>
SemiFuture<T> Promise<T>::getSemiFuture() { … }

template <class T>
Future<T> Promise<T>::getFuture() { … }

template <class T>
template <class E>
typename std::enable_if<
    std::is_base_of<std::exception, typename std::decay<E>::type>::value>::type
Promise<T>::setException(E&& e) { … }

template <class T>
void Promise<T>::setException(exception_wrapper ew) { … }

template <class T>
template <typename F>
void Promise<T>::setInterruptHandler(F&& fn) { … }

template <class T>
void Promise<T>::setTry(Try<T>&& t) { … }

template <class T>
void Promise<T>::setTry(Executor::KeepAlive<>&& ka, Try<T>&& t) { … }

template <class T>
template <class M>
void Promise<T>::setValue(M&& v) { … }

template <class T>
template <class F>
void Promise<T>::setWith(F&& func) { … }

template <class T>
bool Promise<T>::isFulfilled() const noexcept { … }

#if FOLLY_USE_EXTERN_FUTURE_UNIT
// limited to the instances unconditionally forced by the futures library
extern template class Promise<Unit>;
#endif

} // namespace folly