Catch-all proposal based on proxies
mikesamuel at gmail.com
Thu Dec 10 20:37:47 PST 2009
2009/12/10 David-Sarah Hopwood <david-sarah at jacaranda.org>:
> Mike Samuel wrote:
>> Proxy based iterators work well with existing loop constructs though
>> while ('next' in iterator) doSomething(iterator.next);
> I don't understand what advantage this has over
> while (iterator.hasNext()) doSomething(iterator.next());
Sure. If there were a hasNext() method, that would work.
Python does not have such a thing.
> If next() has side-effects (moving to the next element), it shouldn't
> be a getter.
> David-Sarah Hopwood ⚥ http://davidsarah.livejournal.com
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