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		1682f0b760
		
	
	
	
	
		
			
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			54 lines
		
	
	
	
		
			796 B
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			54 lines
		
	
	
	
		
			796 B
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #pragma once
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| 
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| #include <AK/StdLibExtras.h>
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| 
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| namespace AK {
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| 
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| template<typename Callback>
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| class ScopeGuard {
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| public:
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|     ScopeGuard(Callback callback)
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|         : m_callback(move(callback))
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|     {
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|     }
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| 
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|     ~ScopeGuard()
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|     {
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|         m_callback();
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|     }
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| 
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| private:
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|     Callback m_callback;
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| };
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| 
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| template<typename Callback>
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| class ArmedScopeGuard {
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| public:
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|     ArmedScopeGuard(Callback callback)
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|         : m_callback(move(callback))
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|     {
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|     }
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| 
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|     ~ArmedScopeGuard()
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|     {
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|         if (m_armed)
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|             m_callback();
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|     }
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| 
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|     void disarm() { m_armed = false; }
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| 
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| private:
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|     Callback m_callback;
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|     bool m_armed { true };
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| };
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| 
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| }
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| 
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| using AK::ArmedScopeGuard;
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| using AK::ScopeGuard;
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