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https://github.com/wpilibsuite/allwpilib
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38 lines
765 B
Plaintext
38 lines
765 B
Plaintext
// Copyright (c) FIRST and other WPILib contributors.
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// Open Source Software; you can modify and/or share it under the terms of
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// the WPILib BSD license file in the root directory of this project.
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#pragma once
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#include <utility>
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namespace wpi {
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template <typename F>
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class scope_exit {
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public:
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explicit scope_exit(F&& f) noexcept : m_f{std::forward<F>(f)} {}
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~scope_exit() {
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if (m_active) {
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m_f();
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}
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}
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scope_exit(scope_exit&& rhs) noexcept
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: m_f{std::move(rhs.m_f)}, m_active{rhs.m_active} {
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rhs.release();
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}
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scope_exit(const scope_exit&) = delete;
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scope_exit& operator=(const scope_exit&) = delete;
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void release() noexcept { m_active = false; }
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private:
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F m_f;
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bool m_active = true;
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};
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} // namespace wpi
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