--On 1. März 2007 09:52:53 +0000 Chris Withers <[EMAIL PROTECTED]> wrote:

Martin Aspeli wrote:


I'll bet one is backed by a hashtable and the other is backed by an r/b
tree, meaning the Set is O(1) lookups, possibly a bit less space
efficient and non-ordered,

Well, Set's are definitely ordered, same as normal python sets...


That's likely an implementation invariant but not a feature by design.

-aj

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