#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;
}