comparison mercurial/ancestor.py @ 22225:baecf4e1b7d0

ancestors: add a __nonzero__ method

This allows using the object in a conditional the same way we can use list.

22224:f713de1d3916

        if inclusive:
            self._containsseen = set(revs)
        else:
            self._containsseen = set()

    def __iter__(self):
        """Generate the ancestors of _initrevs in reverse topological order.

        If inclusive is False, yield a sequence of revision numbers starting
        with the parents of each revision in revs, i.e., each revision is *not*

22225:baecf4e1b7d0

        if inclusive:
            self._containsseen = set(revs)
        else:
            self._containsseen = set()

    def __nonzero__(self):
        """False if the set is empty, True otherwise."""
        try:
            iter(self).next()
            return True
        except StopIteration:
            return False

    def __iter__(self):
        """Generate the ancestors of _initrevs in reverse topological order.

        If inclusive is False, yield a sequence of revision numbers starting
        with the parents of each revision in revs, i.e., each revision is *not*