getNext

[Timon Gehr]

On 07/09/2012 06:05 PM, Mehrdad wrote:
>> With your design you need to add something extra to allow writing to
>> elements of a single-pass range.
>
> If that's the case, I'd hate to tell you this, but _unless_
> you're planning on removing the notion of input/output ranges
> (and perhaps adding single-pass/multi-pass), you're doing it
> wrong. :-)
>
> That capability is simply /not needed/ when your /only/ contract
> is that something is an input range.
>
> Asking an input range, "hey, can I write to you?" is just...
> insulting!
> That's like asking an electrical engineer if he can plumb.
>

Consider the possibility that this electrical engineer might be a 
plumber as well.