#1158: Problem with GADTs and explicit type signatures
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Reporter: guest | Owner: simonpj
Type: bug | Status: new
Priority: lowest | Milestone: _|_
Component: Compiler | Version: 6.6
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Testcase: | Architecture: Unknown
Os: Unknown |
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Changes (by simonpj):
* milestone: => _|_
* priority: normal => lowest
* owner: => simonpj
Comment:
This one has come up quite recently. It's not really a bug... or at least
arguably not so. Since it's come up again I've written some notes in
GHC's user documentation about it.
[http://haskell.org/haskellwiki/GHC/Type_system#Type_signatures_and_ambiguity]
Here's a Haskell-Cafe thread in which the same issue arose:
[http://www.haskell.org/pipermail/haskell-cafe/2007-January/021521.html]
I'm going to leave this open at low priority, so we don't forget about it.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1158>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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