[Haskell-cafe] Interesting feature

Janis Voigtlaender voigt at tcs.inf.tu-dresden.de
Mon Jul 7 06:53:43 EDT 2008

Robin Green wrote:
> On Mon, 07 Jul 2008 12:30:34 +0200 (CEST)
> Henning Thielemann <lemming at henning-thielemann.de> wrote:
>>  Actually the type system of Haskell is also logic programming. I
>>have implemented a simple kind of logic programming using lazy peano
>>numbers: http://darcs.haskell.org/unique-logic/
> There is also Curry which is basically Haskell extended with features
> from logic programming. There you get to use ordinary values instead of
> having to use types. However, it seems that Curry's solution finding
> mechanism is built-in to the language and cannot be modified (e.g. for
> performance reasons) without modifying the language implementation. (I

Actually, I think it can:


Also more recently, I heard of a way to abstract a nondeterministic
Curry value into its explicit search tree, which one can then traverse
to one's own liking. Obviously, people on the Curry list will know more
about the details...

Ciao, Janis.

Dr. Janis Voigtlaender
mailto:voigt at tcs.inf.tu-dresden.de

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