Is D Language mature for MMORPG Client ?

[Araq]

On Friday, 10 August 2012 at 08:38:18 UTC, Walter Bright wrote:
> On 8/10/2012 1:05 AM, "Franciszek Czekała" 
> <home at valentimex.com>" wrote:
>> I wonder how much Ada is in Curiosity on Mars. Let me guess, 
>> 0%?
>
> It's all in C.
>
> Take a look at bearophile's list of Ada features advertised as 
> making Ada code less buggy. Then look at, for example, dmd's 
> bugzilla list.
>
> How many of those bugs would have been prevented by Ada's 
> features?
>
> I'd say about 0.

And how many of those bugs would have been prevented with D's 
const system? (Which apparently still has some holes wrt 
delegates ...)

But IMHO it's an absurd comparison anyay since dmd does not 
qualify as a hard realtime system with provably bounded memory 
usage (which is what Ada is about ...)