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| From | Mild Shock <janburse@fastmail.fm> |
|---|---|
| Newsgroups | comp.lang.prolog |
| Subject | Payed Ass-Lickers all around (Was: Lets see what the "experts" say) |
| Date | 2025-07-09 11:38 +0200 |
| Message-ID | <104ldal$1vsct$3@solani.org> (permalink) |
| References | <104ld1i$1vsct$1@solani.org> <104ld75$1vsct$2@solani.org> |
Hi,
An then you have the poor guy who asked
the question, and doesn't have a single useful
take away. Possibly anyway a payed Ass-Licker:
Thank you all for the comments!
https://github.com/mthom/scryer-prolog/discussions/3004#discussioncomment-13707072
Scryer Prolog is totalla fake nonsense.
Bye
Mild Shock schrieb:
> Hi,
>
> Well Ulrich Neumerkel is of course the biggest
> quack of all as usual:
>
> > > order of clause can only influence termination properties
> > This depends on your definition of termination. There is universal
> > termination and (much rarer) existential termination.
> >
> > In a pure, monotonic program, order of clauses does not even
> influence > universal termination. That is, a goal G_0, false will
> terminate in
> > the very same way regardless of the clause order. (For a goal G_0,
> > false both universal and existential termination are the same.)
>
> https://github.com/mthom/scryer-prolog/discussions/3004#discussioncomment-13704812
>
>
> Complete idiots, nothing to do with terminations. DCGs
> that consume characters do anyway terminate. What is he talking about?
>
> Bye
>
> Mild Shock schrieb:
>> Woa! This nonsense really made my day:
>>
>> https://github.com/mthom/scryer-prolog/discussions/3004
>>
>> It starts with, where somebody "tried" a declarative DCG
>> using constraint logic programming:
>>
>> number_tail(0, 0) --> [].
>> number_tail(Number, DigitsCount) -->
>> ("," | ""),
>> digit(Digit),
>> number_tail(Digits, RestDigitsCount),
>> {
>> DigitsCount #= RestDigitsCount + 1,
>> Number #= Digit * 10 ^ RestDigitsCount + Digits
>> }.
>>
>> He then noticed that its not deterministic. And since
>> it is not deterministic, clause ordering changes the
>> result when onced via once/1.
>>
>> LoL
>>
>> If DCGs had a cut, one would any way do:
>>
>> number_tail(Number, DigitsCount) -->
>> ("," | ""),
>> digit(Digit), !,
>> number_tail(Digits, RestDigitsCount),
>> {
>> DigitsCount #= RestDigitsCount + 1,
>> Number #= Digit * 10 ^ RestDigitsCount + Digits
>> }.
>> number_tail(0, 0) --> [].
>>
>> Push the determinancy into the DCG. Otherwise you have
>> an explosion of choice points, and a lot of things go
>> totally wrong.
>>
>> But the new DCG standard has no cut (!)/2.
>
Back to comp.lang.prolog | Previous | Next — Previous in thread | Next in thread | Find similar
Scryer Prolog totally clueless how DCGs work Mild Shock <janburse@fastmail.fm> - 2025-07-09 11:33 +0200
Lets see what the "experts" say (Was: Scryer Prolog totally clueless how DCGs work) Mild Shock <janburse@fastmail.fm> - 2025-07-09 11:36 +0200
Payed Ass-Lickers all around (Was: Lets see what the "experts" say) Mild Shock <janburse@fastmail.fm> - 2025-07-09 11:38 +0200
Its all about the money, not about quality (Was: Payed Ass-Lickers all around) Mild Shock <janburse@fastmail.fm> - 2025-07-09 11:42 +0200
A case of dumbification by committee membership? (Was: Its all about the money, not about quality) Mild Shock <janburse@fastmail.fm> - 2025-07-09 20:01 +0200
The stack overflow user by the name false (Was: Lets see what the "experts" say) Mild Shock <janburse@fastmail.fm> - 2025-07-15 11:50 +0200
The choice is a little arbitrary from one angle (Re: The stack overflow user by the name false) Mild Shock <janburse@fastmail.fm> - 2025-07-15 11:59 +0200
Does Scryer Prolog have all tricks up its sleeves? [Occurs Check] (Was: Scryer Prolog totally clueless how DCGs work) Mild Shock <janburse@fastmail.fm> - 2025-08-04 19:47 +0200
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