#11351: Scoped type variables in pattern synonyms -------------------------------------+------------------------------------- Reporter: Iceland_jack | Owner: Type: feature request | Status: new Priority: normal | Milestone: Component: Compiler (Type | Version: 8.1 checker) | Resolution: | Keywords: Operating System: Linux | Architecture: Type of failure: GHC rejects | Unknown/Multiple valid program | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by simonpj): You are right: scoped type variables from the pattern signature should scope, and they simply don't right now. That's a bug; or at least a serious inconsistency. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11351#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler