File: hof-022.xq

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qtxmlpatterns-opensource-src 5.15.2-3
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xquery version "1.1";
(: Higher Order Functions :)
(: Name and arity of a user-defined function :)
(: Author - Michael Kay, Saxonica :)

declare function local:scramble($x as function(xs:string) as xs:string, $y as xs:string) as xs:string {
  $x($y)
};

let $n := function-name(local:scramble#2)
return (local-name-from-QName($n), namespace-uri-from-QName($n), function-arity(local:scramble#2))