#12565: unhelpful error message about enabling TypeApplications -------------------------------------+------------------------------------- Reporter: mauke | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.0.1 Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: None/Unknown Unknown/Multiple | Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: -------------------------------------+------------------------------------- {{{ % cat bug.hs }}} {{{#!hs {-# LANGUAGE TypeApplications #-} main = return (id@() ()) }}} {{{ % ghc bug.hs [1 of 1] Compiling Main ( bug.hs, bug.o ) bug.hs:2:16: error: Pattern syntax in expression context: id@() Did you mean to enable TypeApplications? }}} This error message makes no sense because `TypeApplications` is already enabled. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12565 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler