Re: [xsl] HST's answers Re: [xsl] Efficient way to check sequence membership -

[ht@xxxxxxxxxxxx (Henry S. Thompson)]

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Dave Pawson writes:

> On Thu, 03 Mar 2011 09:15:01 +0000
> Michael Kay <mike@xxxxxxxxxxxx> wrote:
>
>>
>> > Does xslt version next have the member() function Mike?
>> > All these node functions, member seems a fairly obvious one?
>> >
>> >
>> What would you expect the member() function to do?
>
> Solve Henrys problem? Return true if the item is a member
> of the set of nodes.

As David Carlisle pointed out, '=' already supplies that
functionality.  If I had a request for v.next, it would be to expose
support for hash arrays.  They are sort-of implicit in xsl:key, but
making them explicit would remove the necessity in my case for
constructing a set of elements to hold the keys.

ht
- --
       Henry S. Thompson, School of Informatics, University of Edinburgh
      10 Crichton Street, Edinburgh EH8 9AB, SCOTLAND -- (44) 131 650-4440
                Fax: (44) 131 651-1426, e-mail: ht@xxxxxxxxxxxx
                       URL: http://www.ltg.ed.ac.uk/~ht/
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