Re: [xsl] Assigning types to variables

["tom tom" <tomxsllist@xxxxxxxxxxx>]

> As for the type: I asked a similar question a while back and the general 
> consensus was to not give it a type, as to be explicit and give it a type 
> of document-node() was long-hand for not giving it a type.

When I asked when you should and should not be using an as attribute on 
xsl:variable in XSLT 2 (27 Feb) I was advised I should always use it!

Given that I do not need to navigate around the element in the manner David 
suggested I am going to give this an element() type.


> From: "andrew welch" <andrew.j.welch@xxxxxxxxx>
> Reply-To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: Re: [xsl] Assigning types to variables
> Date: Wed, 13 Sep 2006 16:05:22 +0100
>
> On 9/13/06, tom tom <tomxsllist@xxxxxxxxxxx> wrote:
> > Hi all, if I have declared the following variable:
> >
> > <xsl:variable name="test" as="element()">
> >         <one>
> >             <two>hello</two>
> >         </one>
> > </xsl:variable>
> >
> > I don't understand why <xsl:sequence select="$test/two"/> retrieves the
> > value of <two/> while <xsl:sequence select="$test/one/two"/> does not. If 
> > I
> > omit the 'as' attribute it works the other way round. What exactly is
> > happening when I assign a node() or element() or whatever type to this
> > variable?
> >
> > Also could you advise what type I should be using for this kind of task?
>
> It's because you want the variable to be an element, so the variable
> $test becomes <one>, so $test/two is the same as one/two, which is why
> you get the output you see.
>
> As for the type: I asked a similar question a while back and the
> general consensus was to not give it a type, as to be explicit and
> give it a type of document-node() was long-hand for not giving it a
> type.
>
> > I guess my problem is that I'm thinking about variables in XSLT 1 terms!
>
> This is still a grey area for me - the general advice is to give
> everything a type, except in this case, it seems.

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