Re: [xsl] [exsl] EXSLT 1.0 - Common, Sets and Math

Subject: Re: [xsl] [exsl] EXSLT 1.0 - Common, Sets and Math
From: Uche Ogbuji <uche.ogbuji@xxxxxxxxxxxxxxx>
Date: Sat, 10 Mar 2001 09:45:13 -0700
> > I like Jeni's approach of defining extra functions as extension
> > functions,
> Up to a point, although if you put a real evaluate() function in the
> extension namespace, many of the more hairy tricks could be avoided.

Maybe there should be a dyn:foo set of functions involving dynamic 
programming.  dyn:evaluate would be an obvious anchor; another idea could be a 
function (dyn:vars?) that returns all names of variables currently in scope in 
node set form.  And so on through the usual set of metaprogramming tricks.

Some would choose not to implement the dyn module because of performance 
worries: fair enough.

Also, should there be a function that checks whether an entire module is 
available, rather than having to check function-by-function?  Perhaps 
common:module-available(string) where string is "math", "sets", "functions", 

Uche Ogbuji                               Principal Consultant
uche.ogbuji@xxxxxxxxxxxxxxx               +1 303 583 9900 x 101
Fourthought, Inc.                
4735 East Walnut St, Ste. C, Boulder, CO 80301-2537, USA
Software-engineering, knowledge-management, XML, CORBA, Linux, Python

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