comparison mercurial/revset.py @ 26307:428a8747f4ee

revset: avoid implicit None testing in revset

Implicit None testing is a very good way to get in trouble. We explicitly test
for None.

26306:d157e1f18e3f

        if it is None:
            return None
        return lambda: self._iterfilter(it())

    def __nonzero__(self):
        it = self
        fast = self.fastasc or self.fastdesc
        if fast:
            it = fast()

        for r in it:
            return True
        return False

26307:428a8747f4ee

        if it is None:
            return None
        return lambda: self._iterfilter(it())

    def __nonzero__(self):
        fast = self.fastasc
        if fast is None:
            fast = self.fastdesc
        if fast is not None:
            it = fast()
        else:
            it = self

        for r in it:
            return True
        return False