protocol for using InputRanges

[Steven Schveighoffer]

On Fri, 28 Mar 2014 22:23:29 -0400, Walter Bright  
<newshound2 at digitalmars.com> wrote:

> On 3/28/2014 3:42 AM, Steven Schveighoffer wrote:
>>> I'm also curious what a generic read() should do when the stream is  
>>> empty.
>>
>> Returns 0 elements read.
>
> Meaning it must also write through a pointer if it did read something.
>
> How is that faster than a 1 element buffer?

I don't understand this point/question.

-Steve