(self)
return self.node_type() == IFF
Test whether the node is the Iff operator.
Test whether the node is the Iff operator.
Test whether the node is the Iff operator .
def is_iff(self):
        """Test whether the node is the Iff operator."""
        return self.node_type() == IFF
def is_iff ( self ) : return self . node_type ( ) == IFF