public string Learn(string program)
{
if (isRollbacked)
{
history.Clear();
isRollbacked = false;
}
learned.Push(program);
return(null);
}
public void Rollback()
{
var lastProgram = programs.Pop();
rollbacks.Push(lastProgram);
}
public void Learn(string program)
{
programs.Push(program);
}
public void RollBack()
{
RolledBackProgramms.Push(LearnedProgramms.Pop());
}
public void Relearn()
{
LearnedProgramms.Push(RolledBackProgramms.Pop());
}
public void Learn(int program)
{
programs.Push(program);
rollbacks = new LinkedStack <int>();
}
public void Rollback()
{
rollbacks.Push(programs.Pop());
}
public string Rollback()
{
history.Push(learned.Pop());
isRollbacked = true;
return(null);
}
public void Redo()
{
progs.Push(progsUndo.Pop());
}
