(self, graph, nodes)
Returns true if this subset of nodes is eligible for fusion.
Returns true if this subset of nodes is eligible for fusion.
Returns true if this subset of nodes is eligible for fusion .
def is_eligible(self, graph, nodes):  # type: (Graph, Sequence[Node]) -> bool
        '''Returns true if this subset of nodes is eligible for fusion.'''
        raise NotImplementedError('Must be implemented by subclass.')
def is_eligible ( self , graph , nodes ) : # type: (Graph, Sequence[Node]) -> bool raise NotImplementedError ( 'Must be implemented by subclass.' )