Revised RFC on range design for D2

[Ary Borenszweig]

Andrei Alexandrescu wrote:
> In wake of the many excellent comments and suggestions made here, I made 
> one more pass through the draft proposal for ranges.
> 
> http://ssli.ee.washington.edu/~aalexand/d/tmp/std_range.html
> 
> There are some comments in red illustrating some uncertainties (not 
> all), and the names of the primitives have been updated. Bicycle shed 
> galore! But don't forget to comment on the reactor as well :o).
> 
> 
> Andrei

Just a little typo, in the "Output range" example:

// Copies a range to another
void copy(R1, R2)(R1 src, R2 tgt)
{
     for (; !src.done; src.head)
     {
         tgt.put(src.head);
     }
}

the for increment should be src.next