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RE: [xsl] value of variable inside a condition doesn't work?
Subject: RE: [xsl] value of variable inside a condition doesn't work? From: "Michael Kay" <michael.h.kay@xxxxxxxxxxxx> Date: Fri, 31 Jan 2003 19:37:04 -0000 |
So I meant to ask which processors don't always evaluate f(x) to find out that it's y, never remembering that f(x) *is* y for subsequent calls. For extension functions, people often count on the evaluation having side-effects or returning different results, so I'm interested to know which processors will catch these people off-guard. I think XT might be one of them, IIRC. Saxon 7.x has an extension that allows you to request memoisation of stylesheet functions <xsl:function name="f" saxon:memo-function="yes"> This only works for stylesheet functions, but you can always wrap a stylesheet function around an external extension function. It's not the default, because I suspect there would be many cases where you would just use a lot of memory and gain no benefit. Michael Kay Software AG home: Michael.H.Kay@xxxxxxxxxxxx work: Michael.Kay@xxxxxxxxxxxxxx XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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