[squeak-dev] Letting Set contain nils?
giovanni at corriga.net
Sat Aug 9 12:00:48 UTC 2008
Igor Stasenko ha scritto:
> What do you think about supporting Sets to contain nils in general,
> and about methods how to achieve that?
Messing in such a way with a standard collection class is definetively
wrong. What you could do is create another class that implements all
Set's protocols. In such a class I'd use the instance itself as a
placeholder to put in the empty slots.
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