Method new

tests/timeline.py:225–231

(self)

        )

    def new(self):
        self.expect_frozen()
        first_new = self._proceeding_from.next
        if first_new is not None:
            return self[first_new:]
        else:
            return self[self.last : self.last]

    def proceed(self):
        self.expect_frozen()