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