I still believe this is a great idea and would welcome a formal proposal about this. I also still believe that this is something better done in a
#12708: RFC: Representation polymorphic Num -------------------------------------+------------------------------------- Reporter: Iceland_jack | Owner: Type: feature request | Status: new Priority: normal | Milestone: Component: Core Libraries | Version: 8.0.1 Resolution: | Keywords: | LevityPolymorphism Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by carter): Replying to [comment:22 goldfire]: library for a release or so before we start mucking with something so fundamental. There's nothing about this that cannot be done in a library (modulo `RebindableSyntax`). I agree with richard, experimental changes to the core num prelude, especially those using still new constructs should happen in userland first. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12708#comment:24 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler