Re: Using QNames as keys in maps

Am 15.02.2018 um 10:28 schrieb Erik Siegel erik@xxxxxxxxxxx:
>
> Im trying to set up a map(xs:QName, item()), in an XSLT 3.0 
> stylesheet, but its very inconvenient. This works:
>
> (Running in  oXygen 19.1 which reports Saxon 9.7.0.19, tried both PE 
> and EE)
>
> <xsl:template match="/">
>
>     <xsl:variable name="qmap" as="map(xs:QName, item())" select="map{ 
> QName((), 'xx'): 'aaa' }"/>
>
>     <RESULT size="{map:size($qmap)}">
>
>       <xsl:value-of select="map:get($qmap, QName((), 'xx'))"/>
>
>     </RESULT>
>
> </xsl:template>
>
> But I would have expected this to work also (but it doesnt):
>
> <xsl:template match="/">
>
>   <xsl:variable name="qmap" as="map(xs:QName, item())" select="map{ 
> Q{}xx: 'aaa' }"/>
>
>   <RESULT size="{map:size($qmap)}">
>
>     <xsl:value-of select="map:get($qmap, Q{}xx)"/>
>
>   </RESULT>
>
> </xsl:template>
>

If you use Q{}xx then you don't construct a QName, instead you select 
any xx children of the context node.

The only other option you have to construct a QName is xs:QName('xx').