ch-ch-changes

[Andrei Alexandrescu]

Brian wrote:
>> Actually, my first instinct looking at this is to assume that it should
>> be this:
>>
>> map!("a*b")(r1,r2);
> 
> same here, i would much prefer it to be explicit.

Alrighty then, I'll operate the change. I'll leave the ability to 
specify multiple functions though, that's rather verbose when expanded.

auto r = map!("a*b", "a/b")(chain(r1, r2));

returns a range of 2-tuples.


Andrei