[GHC] #10751: Implement Phase 1 of MonadFail Proposal (MFP)
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Fri Nov 27 11:38:28 UTC 2015
#10751: Implement Phase 1 of MonadFail Proposal (MFP)
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Reporter: hvr | Owner: quchen
Type: task | Status: closed
Priority: highest | Milestone: 8.0.1
Component: Compiler | Version: 7.10.2
Resolution: fixed | Keywords: report-impact
Operating System: Unknown/Multiple | Architecture:
| Unknown/Multiple
Type of failure: None/Unknown | Test Case:
Blocked By: | Blocking:
Related Tickets: | Differential Rev(s): Phab:D1248
Wiki Page: |
prime:Libraries/Proposals/MonadFail|
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Comment (by Herbert Valerio Riedel <hvr@…>):
In [changeset:"d25f8535a0178984f29178f983536ab40cc471a8/ghc"
d25f8535/ghc]:
{{{
#!CommitTicketReference repository="ghc"
revision="d25f8535a0178984f29178f983536ab40cc471a8"
Update transformers submodule
Most notably this pulls in `MonadFail` instances
(see also #10751)
- add MonadFail instance for ContT
- re-order methods for consistency
- Add `MonadFail` instances
- Canonicalise Monad instances
- instance Bifunctor Constant
}}}
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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10751#comment:22>
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