Message 69140 - Python tracker

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In-reply-to
Author	rhettinger
Recipients	gvanrossum, rhettinger
Date	2008年07月02日.23:06:52
SpamBayes Score	0.29604167
Marked as misclassified	No
Message-id	<1215040014.35.0.00933223845259.issue3263@psf.upfronthosting.co.za>

Content
In the Hashable ABC, there is a peculiar code fragment: if "__hash__" in B.__dict__: if B.__dict__["__hash__"]: return True break When would the innermost if-statement ever be False? Is there a reason to define __hash__ to be something that evaluates to False?

Content

In the Hashable ABC, there is a peculiar code fragment:
 if "__hash__" in B.__dict__:
 if B.__dict__["__hash__"]:
 return True
 break
When would the innermost if-statement ever be False? Is there a reason 
to define __hash__ to be something that evaluates to False?

History
Date	User	Action	Args
2008年07月02日 23:06:54	rhettinger	set	spambayes_score: 0.296042 -> 0.29604167 recipients: + rhettinger, gvanrossum
2008年07月02日 23:06:54	rhettinger	set	spambayes_score: 0.296042 -> 0.296042 messageid: <1215040014.35.0.00933223845259.issue3263@psf.upfronthosting.co.za>
2008年07月02日 23:06:53	rhettinger	link	issue3263 messages
2008年07月02日 23:06:52	rhettinger	create

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