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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2025
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once
#include "td/utils/common.h"
#include <memory>
#include <utility>
namespace td {
class Destructor {
public:
Destructor() = default;
Destructor(const Destructor &) = delete;
Destructor &operator=(const Destructor &) = delete;
Destructor(Destructor &&) = default;
Destructor &operator=(Destructor &&) = default;
virtual ~Destructor() = default;
};
template <class F>
class LambdaDestructor final : public Destructor {
public:
explicit LambdaDestructor(F &&f) : f_(std::move(f)) {
}
LambdaDestructor(const LambdaDestructor &) = delete;
LambdaDestructor &operator=(const LambdaDestructor &) = delete;
LambdaDestructor(LambdaDestructor &&) = default;
LambdaDestructor &operator=(LambdaDestructor &&) = default;
~LambdaDestructor() final {
f_();
}
private:
F f_;
};
template <class F>
auto create_destructor(F &&f) {
return make_unique<LambdaDestructor<F>>(std::forward<F>(f));
}
template <class F>
auto create_shared_destructor(F &&f) {
return std::make_shared<LambdaDestructor<F>>(std::forward<F>(f));
}
} // namespace td
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