#7862: Could not deduce (A) from the context (A, ...)
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Reporter: alang9 | Owner:
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler (Type checker) | Version: 7.6.2
Keywords: | Os: Linux
Architecture: x86_64 (amd64) | Failure: GHC rejects valid
program
Difficulty: Unknown | Testcase:
Blockedby: | Blocking:
Related: |
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Comment(by simonpj):
{{{
commit db07129cfb13a856f31276c76e9e00924835b18e
Author: Simon Peyton Jones <[email protected]>
Date: Thu May 2 17:14:23 2013 +0100
Eliminate (given) flatten-skolems in favour of user type variables
See Note [Eliminate flat-skols]. IT wasn't exactly wrong before
the the error messages are deeply strange.
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7862#comment:3>
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The Glasgow Haskell Compiler
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