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20 TechQA 2023-05-15T23:14:57.380000In Scala 3, why is it sometimes possible to do impredicative type assignment?
148 views
Asked by tribbloid
How to avoid impredicative polymorphism and define lens of lens
224 views
Asked by Daniil Iaitskov
"case" operator for System-F natural numbers coded with RankNTypes fails to typecheck
149 views
Asked by Jonathan Gallagher
What is the relationship between polymorphism's rank and (im)predicativity?
682 views
Asked by Tim
Why is impredicative polymorphism allowed only for functions in Haskell?
1.9k views
Asked by radrow
Hold a lens in a record
204 views
Asked by F. Böller
Ways around impredictive polymorphism
279 views
Asked by Neil Locketz
Disallow assignment of values
136 views
Asked by Philip Kamenarsky
How to non-impredicatively return `Maybe` a lens?
212 views
Asked by leftaroundabout
Why are higher rank types so fragile in Haskell
716 views
Asked by semicolon
How to make impredicative types work with type classes
199 views
Asked by semicolon
Why does this equivalent program not compile?
219 views
Asked by MaiaVictor
How does let interact with higher rank types in Haskell?
203 views
Asked by Doug McClean
General 'typeless' STack in Haskell
287 views
Asked by shivanker.goel
Practical Implications of runST vs unsafePerformIO
373 views
Asked by crockeea
Existential quantifier in coq impredicative logic (System F)
418 views
Asked by Matteo Zanchi
Impredicative polymorphism in F#
1k views
Asked by David Monniaux
Simple example for ImpredicativeTypes
1.3k views
Asked by Ben Millwood
Impredicative types vs. plain old subtyping
2.2k views
Asked by mergeconflict
Row polymorphism in Haskell: trouble writing Forth DSL with "transformations"
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Asked by Dan Burton