Resolve #240 and also add restricted variable syntax. This PR contains a destructive change because it prevents subclasses from accessing private variables in super classes.
However, finally, the example code change will not occur by introducing restricted variable syntax.
Resolve #240 and also add restricted variable syntax. This PR contains a destructive change because it prevents subclasses from accessing private variables in super classes.
However, finally, the example code change will not occur by introducing restricted variable syntax.