Method __and__

tests/timeline.py:682–684

(self, other)

        return any(exp.has_lower_bound for exp in self.expectations)

    def __and__(self, other):
        assert isinstance(other, Expectation)
        return AndExpectation(*(self.expectations + (other,)))

    def __repr__(self):
        return "(" + " & ".join(repr(exp) for exp in self.expectations) + ")"