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Author sbt
Recipients docs@python, pitrou, sbt
Date 2012-07-21.10:58:21
SpamBayes Score -1.0
Marked as misclassified Yes
Message-id <1342868302.42.0.824683171539.issue15412@psf.upfronthosting.co.za>
In-reply-to
Content 
> The weakref is "dead" but it's still a weakref, and it can be used to
> e.g. index a container of existing weakrefs (cf. WeakSet,
> WeakKeyDictionary, WeakValueDictionary).

Ah.

I had assumed that since dead weakrefs were unhashable you couldn't safely use them as keys in a dict.  (Presumably removal of a no longer hashable key from a dict is O(n)?)

I also hadn't realize that weakrefs were subclassable.
History
Date User Action Args
2012-07-21 10:58:22sbtsetrecipients: + sbt, pitrou, docs@python
2012-07-21 10:58:22sbtsetmessageid: <1342868302.42.0.824683171539.issue15412@psf.upfronthosting.co.za>
2012-07-21 10:58:21sbtlinkissue15412 messages
2012-07-21 10:58:21sbtcreate