comparison mercurial/revset.py @ 23127:7361d8244efb stable

addset: fix `first` and `last` on sorted addset (issue4426)

The lazy sorting were not enforced on addset. This was made visible through MQ.

23126:8b4a8a9176e2

            self._list.reverse()
        else:
            self._ascending = not self._ascending

    def first(self):
        if self:
            return self._list.first()
        return None

    def last(self):
        if self:
            return self._list.last()
        return None

class generatorset(abstractsmartset):
    """Wrap a generator for lazy iteration

    Wrapper structure for generators that provides lazy membership and can

23127:7361d8244efb

            self._list.reverse()
        else:
            self._ascending = not self._ascending

    def first(self):
        for x in self:
            return x
        return None

    def last(self):
        self.reverse()
        val = self.first()
        self.reverse()
        return val

class generatorset(abstractsmartset):
    """Wrap a generator for lazy iteration

    Wrapper structure for generators that provides lazy membership and can