D 2015/2016 Vision?

[Walter Bright via Digitalmars-d]

On 10/6/2015 7:04 PM, bitwise wrote:
> On Wednesday, 7 October 2015 at 01:27:27 UTC, Walter Bright wrote:
>> On 10/4/2015 11:02 AM, bitwise wrote:
>>> For example, streams.
>>
>> No streams. InputRanges.
>
> This is too vague to really respond to. It does serve as an example of the
> over-emphasis on ranges in the D community. Ranges are great, but not for
> everything.

What can a stream do that a range cannot?