Operator Precedence/Boolean Logic
antoon.pardon at rece.vub.ac.be
Thu Jun 23 05:27:36 EDT 2016
Op 23-06-16 om 11:10 schreef Marko Rauhamaa:
> Lawrence D’Oliveiro <lawrencedo99 at gmail.com>:
>> On Thursday, June 23, 2016 at 8:17:02 PM UTC+12, Marko Rauhamaa wrote:
>>> if len(leftover) > 0: # no, I'd never write this
>> I regularly write “len(leftover) != 0”. Why not?
> The __len__ method is not guaranteed to execute in O(1). See:
> <URL: https://docs.python.org/3/reference/datamodel.html?highlig
As far as I can see, neither is the __bool__ method.
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