No, not at all. XQuery Update is 100% functional in the strict computer
science sense of the work. It returns two types of values, an XDM and a
list of updates that need to be applied (called a pending update list,
PUL). All actual updates happen after the finish of the query, meaning
that the query still behaves functionally.
John
Scott Trenda wrote:
I think John is confusing the meaning of "functional" here. Dimitre
meant "functional" as in "based on functions/templates, like Haskell or
Scheme (as opposed to imperative)", and perhaps John interpreted
"functional" to mean "it works, it's not broken".
:)
~ Scott
-----Original Message-----
From: Robert Koberg [mailto:rob(_at_)koberg(_dot_)com]
Sent: Wednesday, October 29, 2008 2:06 PM
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: Re: [xsl] XQuery Updates in XSLT
On Oct 29, 2008, at 2:58 PM, John Snelson wrote:
Dimitre Novatchev wrote:
On Tue, Oct 28, 2008 at 1:39 AM, Jesper Tverskov
<jesper(_at_)tverskov(_dot_)dk> wrote:
I have tested XQuery Updates in Saxon SA 9.1 and it works like a
dream. I was wondering if something similar is going to be
available
in XSLT? How can XSLT do without such a killer feature?
Such a feature will be the killer of a nice, functional language, I
agree... :)
XQuery Update is still a 100% functional language - it's pretty good
at
succinctly expressing transforms that would otherwise need an identity
transform and some number of exception templates.
This comment makes no sense. It is like saying a pogo stick is pretty
good at getting you from point A to point B that would otherwise
require a car.
-Rob
John
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Berkeley DB XML: http://oracle.com/database/berkeley-db/xml
XQilla: http://xqilla.sourceforge.net
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