
#12020: Error message on use of != should suggest use of /= -------------------------------------+------------------------------------- Reporter: mhoermann | Owner: Type: feature | Status: new request | Priority: normal | Milestone: Component: Compiler | Version: 7.10.3 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: -------------------------------------+------------------------------------- Currently when one uses != instead of /= it comes up with this error message {{{ Not in scope: ‘!=’ Perhaps you meant one of these: ‘Map.!’ (imported from Data.Map), ‘>=’ (imported from Prelude), ‘==’ (imported from Prelude) }}} Considering != is very common for unequal in other languages there should be a more helpful hint to use /= instead of or in addition to the current generic symbol error. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12020 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler