use v6-alpha;

# Please remember to update t/examples/examples.t and rename
# examples/output/algorithms/quicksort if you rename/move this file.

multi quicksort ( ) { () }

multi quicksort ( *$x, *@xs ) {
    my @pre  := @xs.grep:{ $_ < $x };
    my @post := @xs.grep:{ $_ >= $x };
    return(quicksort(|@pre), $x, quicksort(|@post));
}

say quicksort(1, 5, 2, 4, 3);