(self, val1, val2)
return self._aggregator(val1, val2)
Aggregate two event values.
Aggregate two event values.
Aggregate two event values .
def aggregate(self, val1, val2):
        """Aggregate two event values."""
        assert val1 is not None
        assert val2 is not None
        return self._aggregator(val1, val2)
def aggregate ( self , val1 , val2 ) : assert val1 is not None assert val2 is not None return self . _aggregator ( val1 , val2 )