#6018: Injective type families -------------------------------------+------------------------------------- Reporter: lunaris | Owner: jstolarek Type: feature request | Status: closed Priority: normal | Milestone: 8.0.1 Component: Compiler | Version: 7.4.1 Resolution: fixed | Keywords: TypeFamilies, | Injective Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: T6018, | T6018fail, T6018rnfail, T6018th, | T6018failclosed1, T6018failclosed2, | T6018ghci, T6018ghcifail, | T6018ghcirnfail Blocked By: | Blocking: Related Tickets: #4259, #10832, | Differential Rev(s): Phab:D202 #10833 | -------------------------------------+------------------------------------- Comment (by Jan Stolarek ): In [changeset:"3cfe60aebb9de2a1d897a111f779eacb6614b7cc/ghc" 3cfe60a/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="3cfe60aebb9de2a1d897a111f779eacb6614b7cc" Abstract TFs can have injectivity information Summary: For abstract type families we incorrectly rejected their injectivity annotation. Fixes #11007. Test Plan: #6018 Reviewers: goldfire, austin, bgamari Subscribers: thomie Differential Revision: https://phabricator.haskell.org/D1453 GHC Trac Issues: #11007 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/6018#comment:118 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler