Boxed Arrays                  B2

   a =. i. 5
   b =. 'Cogito, ergo sum!'

   ( <a ) , < b
+---------+-----------------+
|0 1 2 3 4|Cogito, ergo sum!|
+---------+-----------------+

   ] c =. a; b
+---------+-----------------+
|0 1 2 3 4|Cogito, ergo sum!|
+---------+-----------------+
   $c
2
   2 5 $ 'cat' ; 7 + i. 2
+---+---+---+---+---+
|cat|7 8|cat|7 8|cat|
+---+---+---+---+---+
|7 8|cat|7 8|cat|7 8|
+---+---+---+---+---+
