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			39 lines
		
	
	
	
		
			608 B
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			39 lines
		
	
	
	
		
			608 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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| namespace AK {
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| 
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| template<typename T>
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| class ScopedValueRollback {
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| public:
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|     ScopedValueRollback(T& variable)
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|         : m_variable(variable)
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|         , m_saved_value(variable)
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|     {
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|     }
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| 
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|     ~ScopedValueRollback()
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|     {
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|         m_variable = m_saved_value;
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|     }
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| 
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|     void set_override_rollback_value(T const& value)
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|     {
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|         m_saved_value = value;
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|     }
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| 
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| private:
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|     T& m_variable;
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|     T m_saved_value;
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| };
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| 
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| }
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| 
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| #if USING_AK_GLOBALLY
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| using AK::ScopedValueRollback;
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| #endif
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