Jeff Schwab wrote: > Robert Kern wrote: >> Now, if I were to do >> >> item = g(self, test).next() >> >> the generator would execute the code until it reached the yield >> statement which happens when it finds the first item that passes the >> test. That item will get returned, and execution does not return to >> the generator again. [snip] > Wow, that's cool! Very reminiscent of C++ input iterators, but a lot > cleaner and shorter. Thanks.
Read up on the __iter__ and __next__ methods that can be implemented by objects; Python objects have a very nice way of becoming (and returning) iterators. Generator functions and expressions are magic ways of doing some Really Common Things as iterators. -- http://mail.python.org/mailman/listinfo/python-list
