Message 110953 - Python tracker

Message110953

Author	belopolsky
Recipients	amaury.forgeotdarc, belopolsky, djc, eric.araujo
Date	2010-07-20.19:07:30
SpamBayes Score	0.0003851016
Marked as misclassified	No
Message-id	<1279652852.25.0.266454714867.issue9314@psf.upfronthosting.co.za>
In-reply-to

Content
> I don't understand is why a += b is different from a + b > in this respect. When a is mutable, a += b updates it in-place, so there is no ambiguity: the type of a cannot change. When you do a + b, there is no reason to treat a as more deserving than b when selecting the type of the result.

Content

> I don't understand is why a += b is different from a + b
> in this respect.

When a is mutable, a += b updates it in-place, so there is no ambiguity: the type of a cannot change.  When you do a + b, there is no reason to treat a as more deserving than b when selecting the type of the result.

History
Date	User	Action	Args
2010-07-20 19:07:32	belopolsky	set	recipients: + belopolsky, amaury.forgeotdarc, djc, eric.araujo
2010-07-20 19:07:32	belopolsky	set	messageid: <1279652852.25.0.266454714867.issue9314@psf.upfronthosting.co.za>
2010-07-20 19:07:30	belopolsky	link	issue9314 messages
2010-07-20 19:07:30	belopolsky	create