Gabriele Cosmo
62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
//
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// MIT License
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// Copyright (c) 2020 Jonathan R. Madsen
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED
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// "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
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// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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#pragma once
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#include <functional>
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#include <utility>
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namespace PTL
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{
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struct ScopeDestructor
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{
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template <typename FuncT>
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ScopeDestructor(FuncT&& _func)
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: m_functor(std::forward<FuncT>(_func))
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{}
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// delete copy operations
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ScopeDestructor(const ScopeDestructor&) = delete;
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ScopeDestructor& operator=(const ScopeDestructor&) = delete;
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// allow move operations
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ScopeDestructor(ScopeDestructor&& rhs) noexcept
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: m_functor(std::move(rhs.m_functor))
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{
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rhs.m_functor = []() {};
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}
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ScopeDestructor& operator=(ScopeDestructor&& rhs) noexcept
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{
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if(this != &rhs)
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{
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m_functor = std::move(rhs.m_functor);
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rhs.m_functor = []() {};
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}
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return *this;
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}
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~ScopeDestructor() { m_functor(); }
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private:
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std::function<void()> m_functor = []() {};
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};
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} // namespace PTL
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