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Re:The Curious Case of Swift's Adoption of Smalltalk Keyword... by sukilot on Sunday June 14, 2020 @12:55PM (#23519241)
I'd bet 4:1 odds that Haskell supports optional arguments with partial application using something like typeclass magic.
Re:The Curious Case of Swift's Adoption of Smalltalk Keyword... by marcosdumay on Monday June 15, 2020 @12:51AM (#23523906)
If you want optional arguments and partial application, you need some way to declare that the optional arguments are left blank. Haskell-style syntax has no such way.

But yeah, functors are all about building stuff like that. So there are similar things, just with a different syntax.