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RE: XPath 2.0: Collection-Valued Expressions (Was: Re: XQuery 1.0 and XPath 2.0
- To: "'Dimitre Novatchev'" <dnovatchev at yahoo dot com>
- Subject: [xsl] RE: XPath 2.0: Collection-Valued Expressions (Was: Re: XQuery 1.0 and XPath 2.0
- From: "Michael Kay" <mhkay at iclway dot co dot uk>
- Date: Mon, 10 Sep 2001 08:53:07 +0100
- Cc: <xsl-list at lists dot mulberrytech dot com>
- Reply-To: xsl-list at lists dot mulberrytech dot com
> Is it because their authors have difficulties in understanding the
> functional-programming approach?
>
I think most members of both the XSL WG and the XQuery WG would have no
difficulty understanding the approach. I think the objections you would
encounter would be:
(a) will users understand it?
(b) can it be statically type-checked and optimized?
(c) if explicit syntax is good enough for SQL, why isn't it good enough for
XQuery?
Why not put together a position paper arguing the case for higher-order
functions in XPath/XQuery: I'll be happy to bring it to the group's
attention. I'd suggest raising it as a comment on the published draft
XQuery/XPath data model.
Mike Kay
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