anchor.diff:  		       log("Caught unhandled message: ~w", [Wtf]),
   		       State
   	       end,
  -    log("New state is ~w", [NewState]),
       {noreply, NewState}.
   
   %% @hidden
  
positive.code: 		      id_to_process = NewId,
  		      process_to_id = NewProcess
  		     },
  		    %log("New state is ~w", [NewState]),
  		    {reply, ok, NewState};
  		_ ->
  		    log("not registering duplicate Id ~s for process ~w", [Id, Process]),
  
negative.code: 			       State;
  			   {value, Id} when is_binary(Id) ->
  			       log("Dead process ~w was found with Id ~s in the index", [Pid, Id]),
  			       NewId = gb_trees:delete_any(Id, State#state.id_to_process),
  			       NewProcess = gb_trees:delete_any(Pid, State#state.process_to_id),
  			       #state{ id_to_process = NewId,
  