Set>>add:
Richard A. O'Keefe
ok at cs.otago.ac.nz
Wed Nov 13 02:41:33 UTC 2002
Note that changing Set to quietly *ignore* attempts to add: nil
would come very close to preventing a change that made add: nil
work "as expected". What do the other Smalltalks mentioned actually
DO when you add: nil to a Set? Do they add it, or do they just lie?
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