[xsl] How to cast current-group() ?

[Leo Studer <leo.studer@xxxxxx>]

Hello again

the type of current-group() and current-grouping-key() is item()* and  
xs:anyAtomicType?. I wonder how to cast them to what really is in them.

  <xsl:for-each-group select="/results/match" group-by="team">
    <xsl:copy-of
 select="myfn:MakeTableRow(current-grouping- key(),current-group())"/>
  </xsl:for-each-group>

In my example, the function myfh:MakeTabelRow(.,.) takes the  
parameters as="element(*,my:matchType)*" and as="schema- 
element(my:team)" respectively both complexTypes. My workaround is to  
leave the function parameters untyped, not really ingenious...

Thanks for your suggestions

Always
Leo