
#9637: Type level programming needs an error function -------------------------------------+------------------------------------- Reporter: augustss | Owner: Type: feature request | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.8.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: #9180, #9636 | Differential Revisions: Phab:D1236 -------------------------------------+------------------------------------- Comment (by simonpj): On the implementation front, I have some suggestions, which I've added under `SLPJ alternative design` on the wiki page [wiki:CustomTypeErros] (The title of the wiki page is mis-spelled. Rename?) -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9637#comment:9 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler