[Python-ideas] set.add() return value
bruce at leapyear.org
Wed Feb 18 00:17:12 CET 2009
On Tue, Feb 17, 2009 at 3:01 PM, Steven D'Aprano <steve at pearwood.info>wrote:
> I think that test_and_add is naturally two operations, not one, and forcing
> it to be one operation will just lead to confusion.
There is one scenario where testing membership and adding a new member *is*
a single operation: multiple threads.
That's a good reason to *not* support a test/change operation in regular
sets as it may lead people to think (falsely) that it provide some kind of
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Python-ideas