On Thu, May 18, 2006 at 05:51:47PM +0100, Christopher Arndt wrote:
> But do these concerns apply to the __nonzero__ method as well? Is this
> also expected to be a "fast" operation?
It is. Python calls __nonzero__() in a boolean context. In the absence
of __nonzero__() python calls __len__().
> How do other iterators handle this?
You seldom use iterators in a boolean context. But people write
if MyTable.select():
all the time...
Oleg.
--
Oleg Broytmann http://phd.pp.ru/ [EMAIL PROTECTED]
Programmers don't die, they just GOSUB without RETURN.
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