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→fn:sort
sort(reverse(1 to 3)) (: yields 1, 2, 3 :),
reverse(sort(1 to 3)) (: returns the sorted order in descending order :),
sort((3, -2, 1), (), abs#1) (: yields 1, -2, 3 :),
sort((1,2,3), (), function($x) { -$x }) (: yields 3, 2, 1 :),
sort((1, 'a')) (: yields an error, as strings and integers cannot be compared :)
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