Why I chose D over Ada and Eiffel

[John Colvin]

On Monday, 19 August 2013 at 22:00:17 UTC, Walter Bright wrote:
> On 8/19/2013 2:17 PM, H. S. Teoh wrote:
>> Time will tell, but I believe ranges may be one of the most 
>> significant
>> innovations of D. It makes writing generic algorithms 
>> possible, and even
>> pleasant, and inches us closer to the ideal of perfect code 
>> reuse than
>> ever before.
>
> While not unique to D, I believe that ranges will become a 
> killer feature - killer enough that languages that don't 
> support pipeline programming will start looking like propeller 
> driven airliners.
>
> We still have a ways to go yet - Phobos support for ranges is 
> not ubiquitous - but ranges are the future.

Is there an official "everything that sensibly can provide a 
range, should do" policy for phobos? If so, there's quite a bit 
of low-hanging fruit.