fn.string

fn.stringfnstring

/apidoc/8.0/fn:string.xml

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 (.).

The item to be rendered as a string.

arg

String?

String? If no argument is supplied and the context item is undefined, an error is raised.

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 = xdmp.unquote('<hello>hello<goodbye>goodbye</goodbye></hello>')
    .toArray()[0].xpath("/hello");
fn.string(x);

=> hellogoodbye