1 /* 2 * Copyright (C) 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #include "common/libs/utils/scope_guard.h" 17 18 #include <functional> 19 20 namespace cuttlefish { 21 22 ScopeGuard::ScopeGuard() = default; 23 ScopeGuard(std::function<void ()> fn)24ScopeGuard::ScopeGuard(std::function<void()> fn) : fn_(std::move(fn)) {} 25 26 ScopeGuard::ScopeGuard(ScopeGuard&&) noexcept = default; 27 28 ScopeGuard& ScopeGuard::operator=(ScopeGuard&&) noexcept = default; 29 ~ScopeGuard()30ScopeGuard::~ScopeGuard() { 31 if (fn_) { 32 fn_(); 33 } 34 } 35 Cancel()36void ScopeGuard::Cancel() { fn_ = nullptr; } 37 38 } // namespace cuttlefish 39