Re: [xsl] equivalent for 'while'

Subject: Re: [xsl] equivalent for 'while'
From: David Carlisle <davidc@xxxxxxxxx>
Date: Wed, 16 Feb 2005 17:03:30 GMT
> Is there an equivalent of 'while' loop in XSLT 2.0?

it depends what you mean by equivalence.
xsl:apply-templates and xsl:for-each are the main constructs that cause
a block of instructions to be repeated, which play the part of while
loops in imperative languages.

Clearly you couldn't have a loop construct in a declarative language
that looped "until something was true"  as the language is side-effect
free so if the condition is not true when the loop starts it will never
be true as no instructions in the body of a template can change values
outside that template.


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