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my $a = ;
my $b = [ $a ];
push @$a, $b;
# Now $b contains a reference to $a and
# $a contains a reference to $b.
1. Keep it simple
2. Just remember to pull out 3 in the morning
3. A good puzzle will wake me up
Many. I like to torture myself
0. Socks just get in the way
Results (310 votes). Check out past polls.