>perl -wMstrict -le
"use List::MoreUtils qw(each_array);
 my @ra = qw(a b c);
 my $pair_iter = each_array @ra, @{[ qw(x y z) ]};
 while (my ($i, $j) = $pair_iter->()) {
   print qq{$i, $j};
   }
"
a, x
b, y
c, z