> So if I have a sequence of maps, such as one gets from using collection()
with the metadata flag set in Saxon, and I want to serialize the result
just to see what is in there, I'd like to be able to use:

Demonstrated how to do this in pure XPath  7 years ago at the Balisage 2013
conference:

https://www.balisage.net/Proceedings/vol10/print/Novatchev01/BalisageVol10-No
vatchev01.html#d240124e851

The slides are here:

https://www.balisage.net/Proceedings/vol10/author-pkg/Novatchev01/BalisageVol
10-Novatchev01.html

HTH,
Dimtre

On Tue, Nov 24, 2020 at 6:03 PM Graydon graydon@xxxxxxxxx <
xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:

> So if I have a sequence of maps, such as one gets from using collection()
> with the metadata flag set in Saxon, and I want to serialize the result
> just to see what is in there, I'd like to be able to use:
>
> <xsl:sequence select="$fileArchive !
> map:for-each(.,function($k,$v){element{$k}{$v}})" />
>
> This isn't allowed, because map:for-each() takes an XPath function, rather
> than an XQuery function, so it hasn't got access to element constructors.
>
> <xsl:for-each select="$fileArchive">
>   <xsl:variable as="map(*)" name="currentEntry" select="." />
>   <entry>
>     <xsl:for-each select="map:keys($currentEntry)[not(. eq 'fetch')]">
>       <xsl:element name="{.}">
>         <xsl:sequence select="$currentEntry(.)" />
>       </xsl:element>
>     </xsl:for-each>
>   </entry>
> </xsl:for-each>
>
> works fine, but I can't help but feel that it lacks elegance of
> expression compared to the map:for-each() construction.
>
> Allowing XQuery anonymous functions would be a large change, but at least
> in the map serialization case[1] I have trouble thinking of a better
> option.  XQuery functions are at least already well-defined.
>
> [1] I cannot tell you how much I want to be able to pass parameters to a
> functioned returned from a map of function items and have that function
> return elements for applying-a-style purposes, e.g.
>
> <xsl:sequence
> select="$stylesMap($styleTypeName)($stylePropertiesMap($styleName))" />
>
> --
> Graydon Saunders  | graydonish@xxxxxxxxx
> CC&s oferC)ode, C0isses swC! mC&g.
> -- Deor  ("That passed, so may this.")
>
>


--
Cheers,
Dimitre Novatchev
---------------------------------------
Truly great madness cannot be achieved without significant intelligence.
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To invent, you need a good imagination and a pile of junk
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Never fight an inanimate object
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To avoid situations in which you might make mistakes may be the
biggest mistake of all
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Quality means doing it right when no one is looking.
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You've achieved success in your field when you don't know whether what
you're doing is work or play
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To achieve the impossible dream, try going to sleep.
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Facts do not cease to exist because they are ignored.
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Typing monkeys will write all Shakespeare's works in 200yrs.Will they write
all patents, too? :)
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Sanity is madness put to good use.
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I finally figured out the only reason to be alive is to enjoy it.