3 ms·
If he's not binding anything, he could just match C{} in the first rule and a wildcard (_) in the second.
by pklausler 10y ago
If he's not binding anything, he could just match C{} in the first rule and a wildcard (_) in the second.
- dllthomas 10y agoYes, but there could be a D{}, now or in the future. I rarely use wildcards that aren't embedded in the middle of some larger structure. They stop the compiler from telling me points I need to consider, as I change my code.