Dropping and copying

[Kerimcan Ozcan]

Hi folks,

I know, some of you will call me miserable for staying in on a Halloween
night and having nothing better to do than programming in Swarm, but
anyways, here it goes.

I have two Map objects, mapOld and mapNew respectively.
Members of these map objects are swarmobjects themselves (with several
variables and methods). Each time period, I use members in mapOld
to update member in mapNew (mapOld members are not modified meanwhile).
At the end of each time period, I would like to make mapOld an exact
replica of mapNew. Next time period, I will start with members of this
new mapOld object and update members of mapNew, and so on.  In other
words, I have something similar to a double buffer operation here. I tried
  [mapOld deleteAll];
  [mapOld drop];
  mapOld = [mapNew copy: [self getZone]];
However, this didn't work. Is there a clean-cut way of doing what I want
to achieve?

Kerimcan Ozcan                                  
Doctoral Pre-Candidate in Marketing
University of Michigan Business School
Ann Arbor, Michigan, USA
http://www-personal.umich.edu/~kozcan/ozcan.html


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