#4499: "skolem type variable" is bad for usability (and beginners)
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Reporter: guest | Owner:
Type: bug | Status: merge
Priority: normal | Milestone:
Component: Compiler (Type checker) | Version: 7.0.1
Keywords: skolem | Testcase:
Blockedby: | Difficulty:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: None/Unknown
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Changes (by simonpj):
* status: new => merge
Comment:
OK done
{{{
Thu Nov 18 00:53:06 PST 2010 [email protected]
* Improve error message on advice from a user
See Trac #4499
M ./compiler/typecheck/TcErrors.lhs -7 +8
}}}
There's a testsuite patch too
{{{
Thu Nov 18 00:53:49 PST 2010 [email protected]
* Follow error message change (Trac #4499)
M ./tests/ghc-regress/typecheck/should_fail/tcfail032.stderr -2 +3
M ./tests/ghc-regress/typecheck/should_fail/tcfail099.stderr -2 +2
}}}
Probably worth merging.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4499#comment:5>
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