Re: Frustrations/problems with GNU Prolog.

[Steve641]

Daniel Diaz-3 wrote:
> 
> This is due to a gcc bug. This should not prevent gprolog from working.
> If you want a clean compile, get the last version.
> http://gprolog.org/gprolog-1.4.0.tar.gz
> 

That gets rid of the warnings, thanks!


Daniel Diaz-3 wrote:
> 
> You have to inform the compiler validRanges/2 is a dynamic predicate. 
> Add the following directive to your Prolog file:
> 
> :- dynamic(validRanges/2).
> 

Perfect - thanks again. :)


Daniel Diaz-3 wrote:
> 
> You can look at the following built-in predicates: argument_counter, 
> argument_value, argument_list
> 
> http://gprolog.org/manual/html_node/gprolog051.html#toc201
> 

They look helpful... I'll have to play around with them... though I've not
yet worked out how to make the executable evaluate a default goal... which
looks like a problem I'll have to solve first.
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