#7079: Irrefutable pattern failed for pattern Data.Maybe.Just
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Reporter: lbolla | Owner:
Type: bug | Status: closed
Priority: normal | Milestone:
Component: Compiler | Version: 7.4.2
Resolution: duplicate | Keywords:
Os: Unknown/Multiple | Architecture: Unknown/Multiple
Failure: None/Unknown | Difficulty: Unknown
Testcase: | Blockedby:
Blocking: | Related:
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Changes (by simonpj):
* status: new => closed
* difficulty: => Unknown
* resolution: => duplicate
Comment:
Thanks! I got this
{{{
T7079.hs:10:28: parse error on input `∘'
}}}
even when I added `LANGUAGE UnicodeSyntax`.
When I used an ordinary period, happily in HEAD it now fails gracefully
{{{
T7079.hs:11:10:
Malformed instance: Ord a => forall a. Set (UnbalancedSet a)
}}}
So it's another instance of #5951, which is fixed.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7079#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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