urbit/pkg/arvo/sur/lens.hoon

^?
|%
++  command
  $:  source/source
      sink/sink
  ==
++  source
  $%  {$data data/@}
      {$dojo command/@t}
      {$clay pax/@t}
      {$url url/purl:eyre}
      {$api api/term command/@t}
      {$get-api api/term endpoint/(list @t)}
      {$as mar/mark next/source}          ::  can't be at the
      {$hoon code/@t next/source}         ::  end since they
      {$tuple next/(list source)}         ::  don't bunt well
      {$listen-api api/term event/term}
      {$export app/@t}
      {$import app/@t base64-jam/@t}
  ==
++  sink
  $%  {$stdout ~}
      {$output-file pax/@t}
      {$output-pill pax/@t}
      {$output-clay pax/path}
      {$url url/purl:eyre}
      {$to-api api/term command/@t}
      {$send-api api/term endpoint/(list @t)}
      {$command command/@t}
      {$app app/term}
  ==
--