(self, rule)
Characterise a search heuristic.

        If lower values indicate better results, return negatives to
        correctly integrate the sorting procedure.

        Parameters
        ----------
        rule : Rule
            Evaluate this rule.

        Returns
        -------
        res : float
            Evaluation function result.
Characterise a search heuristic.
Characterise a search heuristic .
def evaluate_rule(self, rule):
        """
        Characterise a search heuristic.

        If lower values indicate better results, return negatives to
        correctly integrate the sorting procedure.

        Parameters
        ----------
        rule : Rule
            Evaluate this rule.

        Returns
        -------
        res : float
            Evaluation function result.
        """
        raise NotImplementedError
def evaluate_rule ( self , rule ) : raise NotImplementedError