Steven D'Aprano: >For many iterables, the amount of memory is not excessive and the increase in >readability of len() is to be preferred over the side-effect of sum(1 for...).<
With side-effects do you mean the possibility of exhausting a lazy iterable? The readability difference is little, and it's way safer because it works well enough with very long iterables too, so leniter(..) is better than len(list(...)). Bye, bearophile -- http://mail.python.org/mailman/listinfo/python-list
