Re: Map construction

Best regards,
Christophe

Alernatively, use the xsl:map and xsl:map-entry instructions. Unlike map:merge this doesn't allow any control over handling of duplicates (though we're adding that as a Saxon extension in the next release).

<xsl:variable name="myMap" as="map(xs:string,xs:string+)">

<xsl:map>

<xsl:map:entry key="'key1'" select="'val11','val12'"/>

etc

Michael Kay

On 18 Apr 2019, at 09:12, John Lumley john@xxxxxxxxxxxx <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:

On 18/04/2019 09:06, Christophe Marchand cmarchand@xxxxxxxxxx wrote:

Hello,

is it legal to construct a map this way :

<xsl:variable name="myMap" as="map(xs:string,xs:string+)">
   <xsl:sequence select="map:entry('key1', ('val11','val12'))"/>
   <xsl:sequence select="map:entry('key2', ('val21','val22'))"/>
</xsl:variable>

Or should I construct a sequence of map:entry, and then apply map:merge on that sequence ?

You should use map:merge(map(*)*) on a sequence of maps - map:entry() produces a single entry map. $myMap as written has type map(*)+ - a sequence of single-entry maps. Use the $options second argument of map:merge() to control behaviour when duplicate keys are detected...

Thanks in advance,
Christophe

--
*John Lumley* MA PhD CEng FIEE
john@xxxxxxxxxxxx <mailto:john@xxxxxxxxxxxx>
on behalf of Saxonica Ltd