See  http://people.fishpool.fi/~setok/proj/Selfish/ for preliminary implementation.

[MJ] -- Really nice work, after playing with it a bit, it really shows the power and ease of prototype based OO. However a [[super]] call is missing this will make inheritance less usefull than ik can be. See also [self].
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[MJ] -- Is this a bug in slot lookup?

 % set a [selfish::baseObject clone]
 ::selfish::0
 % ::selfish::slot ::selfish::baseObject test {} {puts test}
 foo
 % $a test
 SelfishError exception thrown: Could not find slot test

[MJ] -- To answer my own question, this is not a bug, but a different way of cloning from [Self]. In an Prototype based OO language there are two distinct ways of cloning a prototype [http://en.wikipedia.org/wiki/Prototype-based_programming]. One way is cloning with delegation (like [Self]) the other way is concatinative prototyping (What [Selfish], [neo], [eos] seem to be using). With concatenative cloning, there is no relation after cloning between the prototype and the cloned object. 


[RLH] -- Wasn't there more here before? ''[MS]: yes - [MJ]'s code, I think. Now at [SELF].'' [MJ]: I moved it indeed as it felt like I was hijacking this page, and the code fitted better to the [Self] page.
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[Category Object Orientation] |
[Category Package]
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