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envi-code/SourceCode/Code2026/Dimension/PushMemVar.h
T
2026-09-28 15:28:50 +08:00

32 lines
377 B
C++

#pragma once
template <class T>
class PushMemVar
{
public:
PushMemVar(T &var, const T &val);
~PushMemVar() ;
protected:
T *m_pVarBackup;
T m_valBackup;
};
template <class T>
PushMemVar<T>::PushMemVar(T &var, const T &val)
{
m_pVarBackup = &var;
m_valBackup = var;
var = val;
}
template <class T>
PushMemVar<T>::~PushMemVar()
{
*m_pVarBackup = m_valBackup;
}