U.P. Smalltalkers 2011.03.19

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  • Plug in visitor pattern into users and groups.
  • Test for and handle cycles in groups.
  • Tell the Group class to write out all the groups to a file; tell the Developer class to write out all the developers to a file.
    • importFrom: aStream' and exportFrom: aStream
  • Newline as a separator shouldn't be in the Developer class... it should be in the visitors ← FIX!
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