declare function jn:members($arg as item()*) as item()* { for $array in $arg[. instance of array()] for $position in 1 to jn:size($array) return $array($position) };
let $planets := ( "foo", { "foo" : "bar "}, [ "mercury", "venus", "earth", "mars" ], [ 1, 2, 3 ]) return jn:members($planets)
mercury venus earth mars 1 2 3