### `++set`

Set

mold generator. A `++set` is a treap with unique values.

Source
------

    ++  set  |*  a/$-(* *)                                  ::  set
             $@($~ {n/a l/(set a) r/(set a)})               ::


Examples
--------

See also: `++in`

    ~zod/try=> (sa "abc")
    {~~a ~~c ~~b}
    ~zod/try=> (~(put in (sa "abc")) %d)
    {~~d ~~a ~~c ~~b}
    ~zod/try=> (~(put in (sa "abc")) %a)
    {~~a ~~c ~~b}



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