#11386: Improve error message -------------------------------------+------------------------------------- Reporter: Iceland_jack | Owner: Type: task | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.1 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: -------------------------------------+------------------------------------- {{{ Prelude> class (A, B) <interactive>:16:8: error: Unexpected type ‘A’ In the class declaration for ‘GHC.Classes.(%,%)’ A class declaration should have form class GHC.Classes.(%,%) a b where ... }}} in 7.10.2 it gave the more sensible {{{ ghci> class (A, B) <interactive>:30:7: Malformed head of type or class declaration: (A, B) }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11386 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler