[GHC] #9687: Missing Typeable instances for built-in types
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Mon Oct 13 09:00:03 UTC 2014
#9687: Missing Typeable instances for built-in types
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Reporter: selinger | Owner:
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 7.8.3
Resolution: | Keywords:
Operating System: | Architecture: Unknown/Multiple
Unknown/Multiple | Difficulty: Unknown
Type of failure: | Blocked By:
None/Unknown | Related Tickets:
Test Case: |
Blocking: |
Differential Revisions: |
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Comment (by simonpj):
What if you say
{{{
instance (Typeable a, Typeable b, Typeable c, Typeable d, Typeable e,
Typeable f,
Typeable g, Typeable h)
=> Typeable (a,b,c,d,e,f,g,h)
}}}
using standalone deriving?
Simon
--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9687#comment:1>
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