Doesn't it seem like grep is a more natural choice? 
my %seen_values;
my @new_AofA = grep { !($seen_values{$_->[0]}{$_->[1]}++) } @AofA;

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We're not really tightening our belts, it just feels that way because we're getting fatter.

In reply to Re^2: Remove Duplicates from an Array of Arrays by Roy Johnson
in thread Remove Duplicates from an Array of Arrays by Dru

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