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Hi,
ListPresenter can display a Set, but it can't add or remove objects, since
ListModel adds or removes only by index of the subject collection.
Yesterday, I made SetPresenter, which is has a listPresenter as its
instance variable. All user reaction is first handled by the listPresenter,
but the messages are also sent to itself to update the model(a Set) accordingly.
Have a good one
Hwa Jong Oh
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