[GHC] #10423: Can't infer Monad n from (Monad m, m ~ n)

GHC ghc-devs at haskell.org
Tue Jun 2 10:40:23 UTC 2015


#10423: Can't infer Monad n from (Monad m, m ~ n)
-------------------------------------+-------------------------------------
        Reporter:  Feuerbach         |                   Owner:
            Type:  bug               |                  Status:  closed
        Priority:  normal            |               Milestone:
       Component:  Compiler (Type    |                 Version:  7.11
  checker)                           |                Keywords:
      Resolution:  fixed             |            Architecture:
Operating System:  Unknown/Multiple  |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:
      Blocked By:                    |  typecheck/should_compile/T10423
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:
-------------------------------------+-------------------------------------
Changes (by simonpj):

 * status:  new => closed
 * testcase:   => typecheck/should_compile/T10423
 * resolution:   => fixed


Comment:

 Fixed, thank you.

 Simon

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10423#comment:4>
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