def immnodeset_union(iterable, *args):
    set = mutnodeset_union(iterable)
    return immnodeset(set, *args)
Return an immmutable nodeset which is the union of all nodesets in iterable.
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/guppy-0.1.10/guppy/sets/__init__.py/immnodeset_union