def _parse_tokens(self, tokens, i, actions=True):
    (results, i) = self.expr.parse(tokens, i, actions)
    return (([E(self.name, *results)] if self.name else results), i)
def _parse_tokens(self, tokens, i, actions=True):
    (results, i) = self.expr.parse(tokens, i, actions)
    return (([E(self.name, *results)] if self.name else results), i)