How to make a floating point value part of an activity

[Terrence M. Brannon]

The two commented out lines barf if uncommented because it appears
that it is impossible to send messages (create actions) to objects
with floating point arguments --- only objects are allowed. Should I
perhaps make my functions expect pointers to floats instead of floats
or something?

- buildActions {
  sked = [Schedule createBegin: [self getZone]];
  [sked setRepeatInterval: 1];
  sked = [sked createEnd];
  [sked at: 0 createActionTo: c message: M(process)];
  // turn off current injection
  // [sked at: 22 createActionTo: c message: M(currentInjection) : 0.0];
  [sked at: 0 createActionTo: c message: M(process2)];
  [sked at: 0 createActionTo: c message: M(display)];

  return self;
}

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