def apply(self, chart, grammar, *edges):
        raise NotImplementedError()
Return dict of element counts, in the order they were first seen
dataset/ETHPy150Open nltk/nltk/nltk/parse/chart.py/ChartRuleI.apply--crossover with--dataset/ETHPy150Open amrdraz/kodr/app/brython/www/src/Lib/unittest/util.py/_ordered_count