[GHC] #8950: Typeable instances for promoted lists and tuples

GHC ghc-devs at haskell.org
Thu Apr 3 13:11:23 UTC 2014


#8950: Typeable instances for promoted lists and tuples
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        Reporter:  kosmikus          |            Owner:
            Type:  bug               |           Status:  new
        Priority:  normal            |        Milestone:
       Component:  libraries/base    |          Version:  7.8.1-rc2
      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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Changes (by simonpj):

 * cc: dreixel, goldfire (added)


Comment:

 Quite right.  If we are deriving `Typeable` for a data type, we should
 also do so for its promoted data constructors.

 Pedro or Richard, might you look into this?

 Simon

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8950#comment:1>
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