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Haskell typeclass constraint cannot be resolved due to Paterson's conditions

score 273 · Answer 1 · 2024-09-10 18:30:50

Haskell typeclass constraint cannot be resolved due to Paterson's conditions

score 128 · Answer 2 · 2024-09-10 18:30:01

GHC stuck due to UndecidableSuperClasses - expected behaviour or bug?

score 116 · Answer 3 · 2024-09-10 18:28:27

Is it able to avoid UndecidableInstances in this example?

score 59 · Answer 4 · 2024-09-10 18:26:29

Writing generic Monoid over Cofree; undecidable?

score 1011 · Answer 5 · 2024-09-10 18:28:25

How can undecidable instances actually hang the compiler?

score 52 · Answer 6 · 2024-09-17 19:14:44

Example of the undecidability of higher-order unification

score 187 · Answer 7 · 2024-09-10 18:25:51

187 views Asked by ShapeOfMatter At 10 September 2024 at 18:25

score 139 · Answer 8 · 2024-09-10 18:31:37

Can I automatically produce typeclass instances for a conversion function without being overly permissive?

score 331 · Answer 9 · 2024-09-10 18:31:27

Why does this code using UndecidableInstances compile, then generate a runtime infinite loop?

score 1647 · Answer 10 · 2024-09-10 18:25:35

1.6k views Asked by Mba7eth At 10 September 2024 at 18:25

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