RE: Designs for XSLT functions (Was: Re: [xsl] RE: syntax sugar for call-template)

Subject: RE: Designs for XSLT functions (Was: Re: [xsl] RE: syntax sugar for call-template)
From: "Michael Kay" <mhkay@xxxxxxxxxxxx>
Date: Wed, 21 Feb 2001 00:34:41 -0000
> It's crucial that the conditional operator only evaluates one
> of it's clauses.
> Otherwise you could not use it for recursive functions. Also you would
> need that behaviour particulary when one of the claues had a
> side effect
> (using the more common definition :-).

It's also important where one branch will cause an error. This is why XPath
defines order of execution for "and" and "or". It means one can safely write

if (function-available('exsl:eval'), xsl:eval('magic'), '****')

Mike Kay


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