mirror of
https://github.com/ton-blockchain/ton
synced 2025-03-09 15:40:10 +00:00
64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
/*
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This file is part of TON Blockchain Library.
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TON Blockchain Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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TON Blockchain Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2017-2020 Telegram Systems LLP
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*/
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#pragma once
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#include "td/utils/common.h"
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#include <memory>
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#include <utility>
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namespace td {
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class Destructor {
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public:
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Destructor() = default;
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Destructor(const Destructor &other) = delete;
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Destructor &operator=(const Destructor &other) = delete;
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Destructor(Destructor &&other) = default;
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Destructor &operator=(Destructor &&other) = default;
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virtual ~Destructor() = default;
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};
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template <class F>
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class LambdaDestructor : public Destructor {
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public:
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explicit LambdaDestructor(F &&f) : f_(std::move(f)) {
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}
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LambdaDestructor(const LambdaDestructor &other) = delete;
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LambdaDestructor &operator=(const LambdaDestructor &other) = delete;
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LambdaDestructor(LambdaDestructor &&other) = default;
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LambdaDestructor &operator=(LambdaDestructor &&other) = default;
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~LambdaDestructor() override {
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f_();
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}
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private:
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F f_;
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};
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template <class F>
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auto create_destructor(F &&f) {
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return make_unique<LambdaDestructor<F>>(std::forward<F>(f));
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}
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template <class F>
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auto create_shared_destructor(F &&f) {
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return std::make_shared<LambdaDestructor<F>>(std::forward<F>(f));
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}
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} // namespace td
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