Diez B. Roggisch wrote: > Florian Lindner wrote:
>> can I determine somehow if the iteration on a list of values is the >> last iteration? > def last_iter(iterable): > it = iter(iterable) > buffer = [it.next()] > for i in it: > buffer.append(i) > old, buffer = buffer[0], buffer[1:] > yield False, old > yield True, buffer[0] This can be simplified a bit since you never have to remember more than on item: >>> def mark_last(items): ... items = iter(items) ... last = items.next() ... for item in items: ... yield False, last ... last = item ... yield True, last ... >>> list(mark_last([])) [] >>> list(mark_last([1])) [(True, 1)] >>> list(mark_last([1,2])) [(False, 1), (True, 2)] Peter -- http://mail.python.org/mailman/listinfo/python-list
