Deriving ..?

[Ken Shan]

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On 2001-09-09T20:05:03-0500, Amit Garg wrote:
> Im curious to know how the `deriving' keyword has been implemented, and
> more so as to how it may be extended for any user defined type class w/o
> resorting to an external program like DriFt.

Check out

    Ralf Hinze and Simon Peyton Jones. Derivable type classes. In
    Graham Hutton, editor, Proceedings of the 2000 Haskell Workshop.
    Technical Report NOTTCS-TR-00-1, School of Computer Science and
    Information Technology, University of Nottingham, 2000.

http://www.research.microsoft.com/users/simonpj/Papers/derive.htm

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