def __init__(self, matcher):
"""Initialize this visitor.
Args:
matcher: A class with a "Match" method, used for matching function
argument types.
"""
super(ExtractOperators, self).__init__()
# class name -> op name -> list of signatures
self.operators = collections.defaultdict(
lambda: collections.defaultdict(list))
self._slots = slots.ReverseSlotMapping()
self.matcher = matcher
def testReverseSlotMapping(self):
slots.ReverseSlotMapping().get("__radd__") # smoke test