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53 lines
845 B
C++
53 lines
845 B
C++
/*
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* ScopeGuard.h, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#pragma once
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VCMI_LIB_NAMESPACE_BEGIN
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namespace vstd
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{
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template<typename Func>
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class ScopeGuard
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{
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bool fire;
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Func f;
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explicit ScopeGuard(ScopeGuard&);
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ScopeGuard& operator=(ScopeGuard&);
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public:
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ScopeGuard(ScopeGuard &&other):
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fire(false),
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f(other.f)
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{
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std::swap(fire, other.fire);
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}
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explicit ScopeGuard(Func && f):
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fire(true),
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f(std::forward<Func>(f))
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{}
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~ScopeGuard()
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{
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if(fire)
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f();
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}
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};
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template <typename Func>
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ScopeGuard<Func> makeScopeGuard(Func&& exitScope)
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{
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return ScopeGuard<Func>(std::forward<Func>(exitScope));
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}
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}
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VCMI_LIB_NAMESPACE_END
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