#9838: PatternSynonyms and ConstraintKinds should not be required at the use site. -------------------------------------+------------------------------------- Reporter: ekmett | Owner: Type: feature | Status: new request | Milestone: Priority: normal | Version: 7.8.3 Component: Compiler | Keywords: Resolution: | Architecture: Unknown/Multiple Operating System: | Difficulty: Unknown Unknown/Multiple | Blocked By: Type of failure: | Related Tickets: None/Unknown | Test Case: | Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- Comment (by hvr): Btw, here's a related [https://groups.google.com/forum/#!msg/haskell-core- libraries/q9H-QlL_gnE/WUSqogVY89QJ CLC posting of mine] showing a concrete use-case for pattern-synonyms which is hindered by requiring `-XPatternSynonyms` at the usage-site... -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9838#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler