### `++sel`

Parse left square bracket

Parses ASCII character 91, the left square bracket.

Source
------

    ++  sel  (just '[')

Examples
--------

        ~zod/try=> (scan "[" sel)
        ~~~5b.
        ~zod/try=> `cord`(scan "[" sel)
        '['
        ~zod/try=> (sel [[1 1] "["])
        [p=[p=1 q=2] q=[~ [p=~~~5b. q=[p=[p=1 q=2] q=""]]]]
        ~zod/try=> (sel [[1 1] "-["])
        [p=[p=1 q=1] q=~]



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