fn.string( [$arg as String?] ) as String?
Returns the value of $arg represented as an
xs:string. If no
argument is supplied, this function returns the string value of the
context item (.).
|$arg||The item to be rendered as a string.|
If $arg is the empty sequence, the zero-length string is returned.
If $arg is a node, the function returns the string-value of the node, as obtained using the dm:string-value accessor.If $arg is an atomic value, then the function returns the same string as is returned by the expression:
$arg cast as xs:string
var x = fn.head(xdmp.unquote('<hello>hello<goodbye>goodbye</goodbye></hello>') ).xpath("/hello"); fn.string(x); => hellogoodbye