#10843: Allow do blocks without dollar signs as arguments -------------------------------------+------------------------------------- Reporter: agibiansky | Owner: agibiansky Type: feature request | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.10.2 (Parser) | Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: #11706 | Differential Rev(s): Phab:D1219 Wiki Page: | -------------------------------------+------------------------------------- Comment (by Iceland_jack): Old use case from [http://www.diss.fu- berlin.de/docs/servlets/MCRFileNodeServlet/FUDOCS_derivate_000000000279/tr-b-95-01.pdf A Concurrency Monad Based on Constructor Primitives, or, Being First-Class is not Enough]: {{{#!hs addUpMain :: Process addUpMain = OwnPid $ \self -> Fork (addUp self) $ \server -> Send server (ListInt [1..20]) $ \() -> Receive $ \(Int n) -> End }}} as {{{#!hs addUpMain :: Process addUpMain = OwnPid \self -> Fork (addUp self) \server -> Send server (ListInt [1..20]) \() -> Receive \case Int n -> End }}} {{{#!hs addUpMain :: Process addUpMain = OwnPid \self -> Fork (addUp self) \server -> Send server (ListInt [1..20]) \() -> Receive \case Int n -> End }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10843#comment:17 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler