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31 lines
635 B
C++
31 lines
635 B
C++
//
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// Created by Bradley Austin Davis on 2015/09/01
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// Copyright 2013-2105 High Fidelity, Inc.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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// Simulates a java finally block by executing a lambda when an instance leaves
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// scope
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#include <functional>
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#pragma once
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#ifndef hifi_Finally_h
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#define hifi_Finally_h
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class Finally {
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public:
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template <typename F>
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Finally(F f) : _f(f) {}
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~Finally() { _f(); }
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void trigger() {
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_f();
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_f = [] {};
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}
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private:
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std::function<void()> _f;
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};
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#endif
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