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10 TechQA 2025-01-02 00:05:53How to non-impredicatively return `Maybe` a lens?
187 views
Asked by leftaroundabout
General 'typeless' STack in Haskell
277 views
Asked by shivanker.goel
"case" operator for System-F natural numbers coded with RankNTypes fails to typecheck
144 views
Asked by Jonathan Gallagher
Ways around impredictive polymorphism
271 views
Asked by Neil Locketz
How to avoid impredicative polymorphism and define lens of lens
228 views
Asked by Daniil Iaitskov
How does let interact with higher rank types in Haskell?
201 views
Asked by Doug McClean
Why does this equivalent program not compile?
212 views
Asked by MaiaVictor
In Scala 3, why is it sometimes possible to do impredicative type assignment?
151 views
Asked by tribbloid
Hold a lens in a record
194 views
Asked by F. Böller
How to make impredicative types work with type classes
209 views
Asked by semicolon