Py2.3: Feedback on Sets

[Christos TZOTZIOY Georgiou]

On Wed, 20 Aug 2003 11:10:58 +0300 (IDT), rumours say that Beni
Cherniavsky <cben at techunix.technion.ac.il> might have written:

>P.S. I wonder what happens if I do::
>
>    s = Set([1, 2])
>    s.add(s)
>
>how badly will operations on it break then?  

They won't.  Sets are mutable, so adding a Set to itself actually adds
an ImmutableSet copy constructed on the fly.
-- 
TZOTZIOY, I speak England very best,
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