parser: `Visitor::visit` does not accepts `null`
[nit.git] / src / counter.nit
2013-08-02 Jean Privatmetrics: add Counter#print_elements
2013-07-23 Jean Privatmetrics: add POSet#print_metrics
2013-07-23 Jean Privatmetrics: add Counter#print_summary
2013-07-23 Jean Privatmetrics: make Counter a genuine Map
2013-07-23 Jean Privatmetrics: move counter to its own module