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Re: Constraint Handling Rules (CHR) News: msg#00049

Subject: Re: Constraint Handling Rules (CHR) News

On Mon, 17 Jan 2005, Bart Demoen wrote:

>
> > Mode declarations?  Is this a CHR-only thing, or is it connected to the
> > rest of SWI?
>
> Only CHR.

Indeed, only for CHR. Currently they are not checked, but used exclusively
for optimization: small benchmarks show speed-ups of 200% - 400% for
constraints declared entirely ground. Type declarations are forthcoming.
Both are optional of course.

Cheers,

Tom


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