Op 23-06-16 om 11:10 schreef Marko Rauhamaa: > Lawrence D’Oliveiro <lawrenced...@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 > ht=__len__#object.__len__>
As far as I can see, neither is the __bool__ method. -- Antoon. -- https://mail.python.org/mailman/listinfo/python-list
