::
::::  /hoon/core/tang/mar
  ::
/?  314
!:
|_  tan=(list tank)
::
++  grow
  |%
  ++  elem
    =-  ;pre:code:"{(trip (role (turn - crip)))}"       ::  XX
    ^-  wall  %-  zing  ^-  (list wall)
    (turn (flop tan) |=(a=tank (wash 0^160 a)))
  --
++  grab                                                ::  convert from
  |%
  ++  noun  (list ^tank)                                 ::  clam from %noun
  ++  tank  |=(a=^tank [a]~)
  --
--