#4170: Invalid "duplicate instance" error
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Reporter: verdelyi | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 6.12.3 | Keywords:
Os: Unknown/Multiple | Testcase:
Architecture: Unknown/Multiple | Failure: None/Unknown
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Comment(by Ashley Yakeley):
This just bit me too. I need this because I need a way to let the
programmer tell my stuff about existing instances, since there's currently
no way to query the "instance environment".
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4170#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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