Patterns design question: Primitive type tests

Brian Goetz brian.goetz at
Sun Nov 5 11:02:37 UTC 2017

> How is null being handled in pattern matches?  Whether the Integer case is dead depends on whether or not it would match null.  (Sorry if I've missed an email thread covering this)

Gavin posted some notes on the options here the other day — look for a message with “null” in the subject.

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