Re^3: add missing elements and remove duplicates....and some more questions.

The code looks fine. During edge testing, am having to make 2 line changes.

my @arr = (1,10,10,20,0x47,30,45,45);

sub do_it_all {
    my $biggest = $_[0];
    ...
    my $smallest = $_[0];
    ...
}
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