#9637: Type level programming needs an error function -------------------------------------+------------------------------------- Reporter: augustss | Owner: Type: feature request | Status: closed Priority: normal | Milestone: 8.0.1 Component: Compiler | Version: 7.8.3 Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: #9180, #9636 | Differential Rev(s): Phab:D1236 Wiki Page: | -------------------------------------+------------------------------------- Comment (by Lemming): I just want to add: The Helium people also thought about customizing error messages: See Heeren, Hage, Swierstra on [http://www.staff.science.uu.nl/~hage0101/scriptingthetypeinferencer.pdf Scripting the Type Inference Process]. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9637#comment:14 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler