CreateBegin with no createEnd in swarm examples ( was Re: Error in Making a List in a new object.

[Paul Johnson]

Andrew Boyd wrote:
 

> 
> The only way I can see how you'd get that error would be if
> somehow your ModelSwarm was still in creating phase, e.g.
> 
>   obj = [CellModelSwarm createBegin: globalZone];
> 
> instead of:
> 
>   obj = [CellModelSwarm create: globalZone];
> 
> In your ModelSwarm, has -createEnd been called before you call
> -createCompList?

Hey, this reminded me. In all swarmapps, there is createBegin without a
create end for the obj.   Look in Heatbugs, for example.  Its
createBegin has this statement:

  obj = [super createBegin: aZone];

but there is never
   obj = [obj createEnd];
 
What's up with that?  Is obj getting its createEnd indirectly through
the modelSwarm's createEnd?  

This has been a curiosity to me for a long time and I'm eager to know
the answer.

-- 
Paul E. Johnson                       email: address@hidden
Dept. of Political Science            http://lark.cc.ukans.edu/~pauljohn
University of Kansas                  Office: (785) 864-9086
Lawrence, Kansas 66045                FAX: (785) 864-5700

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