George Sakkis wrote: > Fredrik Lundh wrote: > >> John Reese wrote: >> >> > It seems like it would be clear and mostly backwards compatible if the >> > + operator on any iterables created a new iterable that iterated >> > throught first its left operand and then its right, in the style of >> > itertools.chain. >> >> you do know that "iterable" is an informal interface, right? to what >> class would you add this operation? >> >> </F> > > The base object class would be one candidate, similarly to the way > __nonzero__ is defined to use __len__, or __contains__ to use __iter__.
What has a better chance of success in my eyes is an extension to yield all items from an iterable without using an explicit for loop: instead of for item in iterable: yield item you could write yield from iterable or yield *iterable etc. Georg -- http://mail.python.org/mailman/listinfo/python-list