Task

Show how to concatenate two arrays in your language.



If this is as simple as array1 + array2, so be it.




 
{def A {A.new 1 2 3 4 5 6}}       -> [1,2,3,4,5,6]
{def B {A.new 7 8 9}}             -> [7,8,9]
{A.concat {A} {B}}                -> [1,2,3,4,5,6,7,8,9]
 