[Haskell-cafe] Arrows for invertible programming: Notation question

Ralf Hinze ralf at informatik.uni-bonn.de
Fri Dec 23 04:22:52 EST 2005

> Is this something that can be compiled with GHC right now? I noticed - 
> fgenerics but I think it does something else entirely.

GH is a pre-compiler that takes GH code to Haskell code,
so this is a two-step process. -fgenerics turns derivable
type classes on (see "Derivable type classes", Ralf Hinze
and Simon Peyton Jones, Haskell Workshop 2000, pp94-105).
The two are different but related ...

Cheers, Ralf

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