types.h

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/*
 * Copyright 2017-present Facebook, Inc.
 *
 * 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 <folly/ExceptionWrapper.h>
#include <folly/Executor.h>

namespace wangle {

typedef folly::exception_wrapper Error;
// The Executor is basically an rx Scheduler (by design). So just
// alias it.
typedef std::shared_ptr<folly::Executor> SchedulerPtr;

template <class T, size_t InlineObservers = 3> class Observable;
template <class T> struct Observer;
template <class T> struct Subject;

template <class T> using ObservablePtr = std::shared_ptr<Observable<T>>;
template <class T> using ObserverPtr = std::shared_ptr<Observer<T>>;
template <class T> using SubjectPtr = std::shared_ptr<Subject<T>>;

} // namespace wangle