Subject: Re: [xsl] Elements and functions available From: "Andrew Welch" <andrew.j.welch@xxxxxxxxx> Date: Wed, 22 Oct 2008 11:14:25 +0100 |
> That is going to depend upon the implementation. > In Gestalt, function-available() is very cheap. > Performance is always processor-dependent. If the argument to > function-available is a literal, then Saxon is going to optimize away > something like > > if (function-available('f:x')) then f:x() else () > > at compile time either to a call on f:x() or to (). thanks - nothing to worry about it seems... I've never written or come across (I think...) a runtime created argument to function-available() - are there any common examples / uses or really is it pretty rare? -- Andrew Welch http://andrewjwelch.com Kernow: http://kernowforsaxon.sf.net/
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