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The openness of match/switch over a sealed hierarchy is in another dimension - you can add more switches without changing old code. This is something that inter
by pkolaczk 6y ago
The openness of match/switch over a sealed hierarchy is in another dimension - you can add more switches without changing old code. This is something that interfaces don't provide.
- lmm 6y agoVisitor-style interfaces do provide that flexibility, though they're cumbersome.