RFC on range design for D2

[Andrei Alexandrescu]

Bill Baxter wrote:
> On Wed, Sep 10, 2008 at 12:30 AM, Andrei Alexandrescu
> <SeeWebsiteForEmail at erdani.org> wrote:
>> I've updated http://ssli.ee.washington.edu/~aalexand/d/tmp/std_range.html
>> with a drawing (right at the beginning) that illustrates what primitives we
>> need. Maybe this will help us choose even better names.
> 
> The text says that s should be a subrange of r, but the drawing shows
> s extending beyond r.  Does it actually need to be a subrange?

I am considering relaxing the requirements.

Andrei