foundationdb/flow/ScopeExit.h
2022-05-11 11:51:11 +02:00

37 lines
1.0 KiB
C++

/*
* ScopeExit.h
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2022 Apple Inc. and the FoundationDB project 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
*
* 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.
*/
#ifndef FLOW_SCOPE_EXIT_H
#define FLOW_SCOPE_EXIT_H
#pragma once
// Execute lambda as this object goes out of scope
template <typename Func>
class ScopeExit {
std::decay_t<Func> fn;
public:
ScopeExit(Func&& fn) : fn(std::forward<Func>(fn)) {}
~ScopeExit() { fn(); }
};
#endif /*FLOW_SCOPE_EXIT_H*/