#10751: Implement Phase 1 of MonadFail Proposal (MFP) -------------------------------------+------------------------------------- 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| -------------------------------------+------------------------------------- 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 }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10751#comment:22> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler