Interestingly, the 5.12+ each allows iteration over an array (and similarly for keys and values), but each 'key' is a succcessive index of the array, and each 'value' is the element at that index: not quite what you wanted in the OP. 

>perl -wMstrict -le
"my @ra = qw(a b c d);
 ;;
 while (my ($i, $element) = each @ra) {
   print qq{ra $i is '$element'};
   }
"
ra 0 is 'a'
ra 1 is 'b'
ra 2 is 'c'
ra 3 is 'd'

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In reply to Re^3: Processing pairs of values from even-sized array by AnomalousMonk
in thread Processing pairs of values from even-sized array by rovf

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