I have a fixed-sized array where the size of the array is always in factor of 3.
my @array = (\'foo\', \'bar\', \'qux\', \'foo1\', \'bar\', \'qux2\', 3, 4, 5
Or this:
my $VAR; while( my @list = splice( @array, 0, 3 ) ) { push @$VAR, \@list; }