[GHC] #10751: Implement Phase 1 of MonadFail Proposal (MFP)

[GHC]

#10751: Implement Phase 1 of MonadFail Proposal (MFP)
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        Reporter:  hvr               |                   Owner:
            Type:  task              |                  Status:  new
        Priority:  normal            |               Milestone:  7.12.1
       Component:  Compiler          |                 Version:  7.10.2
      Resolution:                    |                Keywords:  report-
                                     |  impact
Operating System:  Unknown/Multiple  |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Description changed by simonpj:

Old description:

> See also
>
>  -
> https://www.reddit.com/r/haskell/comments/3a1o06/monadfail_proposal_mfp/
>

> TODO: At this point this ticket is mostly a reminder that stuff may need
> to be done for GHC 7.12
>
> David Luposchainsky [ https://mail.haskell.org/pipermail/ghc-
> devs/2015-August/009664.html says that he plans to work on it].

New description:

 See also

  -
 https://www.reddit.com/r/haskell/comments/3a1o06/monadfail_proposal_mfp/


 TODO: At this point this ticket is mostly a reminder that stuff may need
 to be done for GHC 7.12

 David Luposchainsky [https://mail.haskell.org/pipermail/ghc-
 devs/2015-August/009664.html says that he plans to work on it].

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10751#comment:2>
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