Overhauling the notion of output range

[Andrei Alexandrescu]

On 07/12/2010 12:45 AM, Philippe Sigaud wrote:
> On Mon, Jul 12, 2010 at 03:17, Andrei Alexandrescu
> <SeeWebsiteForEmail at erdani.org <mailto:SeeWebsiteForEmail at erdani.org>>
> wrote:
>
>     In related news, there's been this burning desire regarding a
>     lightweight output range defined as simply a delegate that accepts
>     const(char)[]. That range is an output range all right, and the way
>     you output to it is by simply calling the delegate!
>     <http://www.dsource.org/projects/phobos/browser/trunk/phobos/std/range.d#L227>
>
>     http://www.dsource.org/projects/phobos/browser/trunk/phobos/std/range.d#L227
>
>
> It's still early where I live, but... For the callable case, why just
> accepting E[] instead of any range with E as element? Though, thinking
> about it, I right now have no idea how to put that into a template
> constraint, given only R and E.
>
> Hmm...

Good point. I haven't thought of it that way - I used arrays as a lingua 
franca buffer. Your suggestion is interesting. I see a risk of infinite 
regression in writing the constraint, but the idea warrants more discussion.

Andrei