Same R←⊣YR←⊢Y

Y may be any array.

The result R is the argument Y.

Examples

      'abc' 1 2 3
 abc  1 2 3
      (⊢,⎕size) 'a'⎕nl 4 ⍝ left tine of fork meaning "it"
acc      572
and      492
ascan    740
ascana   716
at      1764
avl    17476