#7880: Require "forall" in definitions of polymorphic types
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Reporter: monoidal | Owner:
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 7.6.3
Keywords: | Os: Unknown/Multiple
Architecture: Unknown/Multiple | Failure: GHC accepts invalid program
Difficulty: Unknown | Testcase:
Blockedby: | Blocking:
Related: |
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Comment(by monoidal):
I believe internally we would change treatment of => everywhere, but the
effect would be visible only in type and data declarations, since normal
definitions would use implicit quantification as they do it currently.
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7880#comment:6>
GHC <http://www.haskell.org/ghc/>
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