#5595: Unification under a forall doesn't allow full constraint solving
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Reporter: basvandijk | Owner: simonpj
Type: bug | Status: new
Priority: normal | Milestone: 7.6.1
Component: Compiler | Version: 7.2.1
Keywords: | Os: Unknown/Multiple
Architecture: Unknown/Multiple | Failure: GHC rejects valid program
Difficulty: | Testcase:
Blockedby: | Blocking:
Related: |
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Comment(by basvandijk):
Thanks Simon!
This [https://github.com/basvandijk/monad-control/blob/associated-type-
families/Control/Monad/Trans/Control.hs works beautifully] in `monad-
control`.
Will this be in GHC-7.4?
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5595#comment:10>
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