### `++trel`

Mold of three types

`++mold` of the tuple of the three types passed in.

Source
------

    ++  trel  |*  {a/$-(* *) b/$-(* *) c/$-(* *)}           ::  just a triple
              {p/a q/b r/c}                                 ::


Examples
--------

    ~zod/try=> *(trel @ud @t @s)
    [p=0 q='' r=--0]



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