!:             ::  To write Nock as an Arvo application in Hoon
|=  *          ::
|=  [a=* ~]    ::  For educational purposes only
:_  ~  :_  ~   ::
:-  %la        ::  Preserve this mysterious boilerplate square
%+  sell  %noun::
.*  a          ::  Replace the formula with your own
:::::::::::::::::
               ::  Formula: increment
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