#13747: Can't use 'instance' keyword in associated type family instance -------------------------------------+------------------------------------- Reporter: nh2 | Owner: erdeszt Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.0.2 Resolution: | Keywords: newcomer Operating System: Unknown/Multiple | Architecture: Type of failure: Incorrect | Unknown/Multiple error/warning at compile-time | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D3673 Wiki Page: | -------------------------------------+------------------------------------- Comment (by Ben Gamari <ben@…>): In [changeset:"007f255644f885d445e47e291e50eb12b5ecd08d/ghc" 007f255/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="007f255644f885d445e47e291e50eb12b5ecd08d" Allow optional instance keyword in associated type family instances Add the missing branch for parsing the optional 'instance' keyword in associated type family instance declarations. Fixes #13747 Reviewers: austin, bgamari Reviewed By: bgamari Subscribers: simonpj, RyanGlScott, rwbarton, thomie, mpickering Differential Revision: https://phabricator.haskell.org/D3673 }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13747#comment:3> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler