comparison mercurial/revset.py @ 24116:8b90a60181d1

revset: drop factory that promotes spanset to fullreposet

All callers use fullreposet where appropriate.

Backed out changeset fbae659543cf

24115:ff24af40728b

            return self.first()
        if self:
            return it().next()
        return None

def spanset(repo, start=None, end=None):
    """factory function to dispatch between fullreposet and actual spanset

    Feel free to update all spanset call sites and kill this function at some
    point.
    """
    if start is None and end is None:
        return fullreposet(repo)
    return _spanset(repo, start, end)


class _spanset(abstractsmartset):
    """Duck type for baseset class which represents a range of revisions and
    can work lazily and without having all the range in memory

    Note that spanset(x, y) behave almost like xrange(x, y) except for two
    notable points:

            it = self.fastasc
        for x in it():
            return x
        return None

class fullreposet(_spanset):
    """a set containing all revisions in the repo

    This class exists to host special optimization.
    """

24116:8b90a60181d1

            return self.first()
        if self:
            return it().next()
        return None

class spanset(abstractsmartset):
    """Duck type for baseset class which represents a range of revisions and
    can work lazily and without having all the range in memory

    Note that spanset(x, y) behave almost like xrange(x, y) except for two
    notable points:

            it = self.fastasc
        for x in it():
            return x
        return None

class fullreposet(spanset):
    """a set containing all revisions in the repo

    This class exists to host special optimization.
    """