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  • Glasgow Haskell CompilerGlasgow Haskell Compiler
  • GHCGHC
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  • #10141
Closed
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Issue created Mar 06, 2015 by Richard Eisenberg@raeDeveloper

CUSK mysteries

Take the following definition:

type family G (a :: k) where
   G Int  = Bool
   G Bool = Int
   G a    = a

It compiles in 7.8.3, but not in 7.10.1 RC2. This makes me sad. I will fix.

(Found by Jan Stolarek.)

Edited Mar 10, 2019 by Ben Gamari
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