In a nutshell... 

my @a = qw/A B C D E F G H/;
my @b = qw/7 6 5 4 3 2 1 0/;
    
my @KEY = map {$a[$_], $b[$_]} (0 ..  $#a);

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How can I get rid of @a and @b by using anonymous arrays? I think I recall seeing a bit of code around here that pulls it off, or at least discusses it, but my search fu is broken.

Of worthy note:
The size of @a and @b is guaranteed to be the same size.
Can't use hashes, I need to preserve their order.
The size of each array is never more than 32ish or thereabouts.

In reply to merging anonymous arrays by SavannahLion

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