That is jumping through some hoops to avoid void.
Well, yeah. I was posting them in sort of a humor/brainteaser vein rather than as a serious solution to a problem that is (as has been pointed out)
  1. probably homework, and
  2. a FAQ

Incidentally, here's a method that benches about 9% faster than for_loop: 

sub new_guy {
    my %sums;
    ++$_ for @sums{@array};
}

[download]
Caution: Contents may have been coded under pressure.

In reply to Re^4: Counting unique elements in an array by Roy Johnson
in thread Counting unique elements in an array by Anonymous Monk

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