#5274: Bad error message
---------------------------------+------------------------------------------
Reporter: augustss | Owner:
Type: bug | Status: new
Priority: normal | Component: libraries/base
Version: 7.1 | Keywords:
Testcase: | Blockedby:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: None/Unknown
---------------------------------+------------------------------------------
From Data.Data
{{{
dataTypeConstrs dt = case datarep dt of
(AlgRep cons) -> cons
_ -> error "dataTypeConstrs"
}}}
That error message is a criminal offense. It should at a minimum say what
module it comes from.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5274>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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