49 lines
925 B
C++
49 lines
925 B
C++
//-----------------------------------------------------------------------------+
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// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
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// = FileName : TWPushVar.h
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// = Version : ver2.0
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// = Author : xlc
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// = CreateDate : 2002-09-09
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// = Description: ÀàµÄÉùÃ÷
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// = Maintainers:
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//
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//-----------------------------------------------------------------------------+
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#ifndef _TWPUSHVAR_H_
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#define _TWPUSHVAR_H_
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//ÁÙʱ¿ØÖƱäÁ¿
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template<class T> class TWPushVar
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{
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public:
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virtual ~TWPushVar();
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TWPushVar(T&variable,const T&newData);
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const T& GetOldData()const;
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protected:
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const T oldData;
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T &var;
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};
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template<class T>
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TWPushVar<T>::TWPushVar(T&variable,const T&newData)
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: oldData(variable),var(variable)
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{
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var = newData;
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}
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template<class T>
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TWPushVar<T>::~TWPushVar()
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{
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var = oldData;
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}
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template<class T>
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const T& TWPushVar<T>::GetOldData()const
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{
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return oldData;
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}
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#endif |