Class OrderedSet

pex/orderedset.py:92–119

    # production which is inconsistent with _OrderedSet's base of MutableSet which has an ABCMeta
    # metaclass.
    class OrderedSet(_OrderedSet, Generic["_I"]):
        def __init__(self, iterable=None):
            # type: (Optional[Iterable[_I]]) -> None
            super(OrderedSet, self).__init__(iterable=iterable)

        def add(self, key):
            # type: (_I) -> None
            super(OrderedSet, self).add(key)

        def update(self, iterable):
            # type: (Iterable[_I]) -> None
            super(OrderedSet, self).update(iterable)

        def discard(self, key):
            # type: (_I) -> None
            super(OrderedSet, self).discard(key)

        def __iter__(self):
            # type: () -> Iterator[_I]
            return super(OrderedSet, self).__iter__()

        def __reversed__(self):
            # type: () -> Iterator[_I]
            return super(OrderedSet, self).__reversed__()

        def pop(self, last=True):
            # type: (bool) -> _I
            return cast("_I", super(OrderedSet, self).pop(last=last))

else:
    OrderedSet = _OrderedSet