[ Same - Left

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Same | [ ] _ _ _ | Left, Right

The monads`[` and`]` are each identity functions; each yields its argument. |  | `x [ y` (left bracket) yields the left argument`x` ,`` and`x ] y` (right bracket) yields the right argument`y` .

For example:

       n=: i. 2 3
       a=: 'abcde'

       ]n
    0 1 2
    3 4 5

       [a
    abcde

       n[a
    0 1 2
    3 4 5

       n]a
    abcde

       ([\ ; ]\ ; [\. ; ]\.) 'ABCDEF'
    +------+------+------+------+
    |A     |A     |ABCDEF|ABCDEF|
    |AB    |AB    |BCDEF |BCDEF |
    |ABC   |ABC   |CDEF  |CDEF  |
    |ABCD  |ABCD  |DEF   |DEF   |
    |ABCDE |ABCDE |EF    |EF    |
    |ABCDEF|ABCDEF|F     |F     |
    +------+------+------+------+

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