Commits on Feb 12, 2023

1. Don't eta expand unary varargs methods …

   A unary varargs method sits between nullary methods that sometimes get a () argument inferred
   (i.e. for methods coming from Java) and other methods that can be eta expanded. The safest
   strategy for them is to do neither, and expect either an explicit expected function type,
   or an explicit argument. That's also what Scala 2 does.
   
   Fixes scala#16820
   
   Reclassifies scala#14567 to be a neg test (with the error message suggested in the original issue
   for scala#14567)

   

   odersky committed Feb 12, 2023
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