my @ary1 = ( [1, 2], [3, 4]);
   my @ary2 = ( [4, 5], [6, 7]);
   my $ea = List::MoreUtils::each_array(@ary1, @ary2);

##</code><code>##

   my @ary1 = ( [1, 2], [3, 4]);
   my @ary2 = ( [4, 5], [6, 7]);
   my $ea = List::MoreUtils::each_array(@ary1, @ary2);

##</code><code>##

   my $ea = List::MoreUtils::each_arrayref(\@ary1, \@ary2);