getNext

[Andrei Alexandrescu]

On 7/9/12 10:07 AM, Mehrdad wrote:
> On Monday, 9 July 2012 at 14:03:17 UTC, Andrei Alexandrescu wrote:
>> On 7/9/12 5:14 AM, Mehrdad wrote:
>>> Really, doing something simple should be simple.
>>>
>>> I don't have any brilliant ideas, but one guess would be nullable
>>> types... if you can return a nullable value, your interface for an
>>> interface could just be:
>>>
>>> T? next();
>>>
>>> and that's it... it would return null if nothing is left.
>>
>> What if you want to return a reference so the user can change it?
>>
>> Andrei
>
> Huh? You don't... it's an input iterator, not an output iterator!

The idea of an input range is that it works seamlessly with the more 
capable ranges.

Andrei