Optional parameters referring to previous parameters?

[Steven Schveighoffer]

On Thu, 10 May 2012 10:11:35 -0400, Mafi <mafi at example.org> wrote:

> Am 10.05.2012 02:16, schrieb Mehrdad:
>> Is this possible/should it compile?
>>
>> If not, should I make an enhancement request for it? It's been something
>> that would've been useful in a ton of situations for me...
>>
>> void process(R)(R items, size_t maxCount = items.length)
>> {
>> }
>
> Solution:
> void process(R)(R items) {
> 	process(items, items.length);
> }
>
> void process(R)(R items, int maxCount);
>
> Is such a miminal syntactic sugar addition worth it?

The same could be said for current default arg feature.  If it's worth it  
there, why not here?

-Steve