public MementoExe AddToken(Token token)
{
Tokens.Add(token);
var m = new MementoExe();
// a rather roundabout way of cloning
m.Tokens = Tokens.Select(t => new Token(t.Value)).ToList();
return(m);
}
public void Revert(MementoExe m)
{
Tokens = m.Tokens.Select(mm => new Token(mm.Value)).ToList();
}
