Re: [xsl] parameters in XSLT 2.0

[Bruce D'Arcus <bdarcus@xxxxxxxxx>]

On Jun 7, 2005, at 7:40 PM, Michael Kay wrote:

> The effect of using "as" on performance may be positive or negative. 
> It may
> cause the system to do run-time checks that would otherwise not be
> performed. On the other hand, it gives the system compile-time 
> information
> that may be useful to perform optimizations. I would use it as widely 
> as
> possible because it speeds the development cycle and catches bugs more
> efficiently, and not worry too much about any effect on performance.

I mean in the specific case of passing a reference vs. creating a 
temporary tree: is the former by definition more efficient?  I've seen 
you mention on a few occasions that it's expensive to create an 
unnecessary node (e.g. using xsl:value-of vs. xsl:sequence).

Bruce