protocol for using InputRanges

[Steven Schveighoffer]

On Thu, 27 Mar 2014 20:25:56 -0400, Walter Bright  
<newshound2 at digitalmars.com> wrote:

> On 3/27/2014 2:31 PM, Steven Schveighoffer wrote:
>> Adding range primitives on top of a stream does not make sense.
>
> Are ready to implement a parallel universe of stream based algorithms to  
> go alongside all the range based ones and be ready to constantly justify  
> that to everyone?

Not necessary. You just need to implement one range on top of a buffered  
stream, and then it works with all other algorithms that accept input  
ranges.

> I'm also curious what a generic read() should do when the stream is  
> empty.

Returns 0 elements read.

-Steve