#8581: Add support for explicitly-bidirectional pattern synonyms -------------------------------------+------------------------------------ Reporter: cactus | Owner: cactus Type: feature request | Status: new Priority: normal | Milestone: Component: Compiler | Version: Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Unknown/Multiple Type of failure: None/Unknown | Difficulty: Unknown Test Case: | Blocked By: 5144 Blocking: | Related Tickets: -------------------------------------+------------------------------------ Comment (by dfranke): `_` in expressions is already in use for typed holes (http://www.haskell.org/ghc/docs/latest/html/users_guide/typed- holes.html). -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8581#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler