(self, expr)
return False
Check if a given expression is a TOP value.

        :param expr:    The given expression.
        :return:        True if the expression is TOP, False otherwise.
Check if a given expression is a TOP value.
Check if a given expression is a TOP value .
def _is_top(self, expr) -> bool:
        """
        Check if a given expression is a TOP value.

        :param expr:    The given expression.
        :return:        True if the expression is TOP, False otherwise.
        """
        return False
def _is_top ( self , expr ) -> bool : return False