Returns an array whose size is the same as array:size($array), in which
each member is computed by applying $function to the corresponding member of
$array.
array:for-each( $array as array(*),$action as function(item()*) as item()*array(*)Returns the result of the expression:
array:join( (1 to array:size($array)) ! [ $action($array(.)) ] )
The expression array:for-each(["A", "B", 1, 2], function($z) {$z instance of xs:integer}) returns [false(), false(), true(), true()].
The expression array:for-each(["the cat", "sat", "on the mat"], fn:tokenize#1) returns [("the", "cat"), "sat", ("on", "the", "mat")].