[GHC] #5412: dataTypeConstrs gives unhelpful error message
GHC
ghc-devs at haskell.org
Wed Dec 25 20:18:06 UTC 2013
#5412: dataTypeConstrs gives unhelpful error message
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Reporter: NeilMitchell | Owner: klangner
Type: bug | Status: new
Priority: normal | Milestone: 7.6.2
Component: libraries/base | Version: 7.1
Resolution: | Keywords:
Operating System: Unknown/Multiple | Architecture: Unknown/Multiple
Type of failure: None/Unknown | Difficulty: Unknown
Test Case: | Blocked By:
Blocking: | Related Tickets:
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Comment (by klangner):
I can try :-)
I can create the following message:
''Data.Data.dataTypeConstrs is not supported for Prelude.Int, as it is not
an algebraic data type''
As you can see there is **Prelude.Int** not **Int**.
This name is returned by **dataTypeName**.
I don't know how to get the name without Prelude prefix.
--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5412#comment:8>
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