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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