Add arrays
examples/arrays/add.cr
x = [2, 3, 4] y = [5, 6, 7] p! x p! y z = x + y p! z
x # => [2, 3, 4] y # => [5, 6, 7] z # => [2, 3, 4, 5, 6, 7]
x = [2, 3, 4] y = [5, 6, 7] p! x p! y z = x + y p! z
x # => [2, 3, 4] y # => [5, 6, 7] z # => [2, 3, 4, 5, 6, 7]