D vs Java

[Kyle Furlong]

kris wrote:
> Kyle Furlong wrote:
>> kris wrote:
>>
>>> Walter Bright wrote:
>>>
>>>> "kris" <foo at bar.com> wrote in message news:4420779B.6020604 at bar.com...
>>>>
>>>>> It would be more interesting if this were entitled D vs C++. After 
>>>>> all, isn't that (as Mattias indicated) the target "competition" ?
>>>>
>>>>
>>>>
>>>> We've already had those threads in spades <g>. 
>>>
>>>
>>> True <g>
>>>
>>> Did anyone mention DDL? Given that it would make D the only compiled 
>>> language I've heard of with a runtime link-loader, that would seem to 
>>> have some bearing?
>>
>>
>> Just what I was thinking. Can DDL make compile once, run everywhere 
>> possible? (assuming that is an idiom we would like to support)
> 
> No, DDL does no such thing. Nor is it intended to (instead, it's 
> deliberately machine-architecture specific).
> 
> Functionality exposed by DDL is roughly the equivalent of a Java 
> class-loader, but for pre-optimized native object-code exposing a D 
> callable interface. This is a highly unusual attribute for native code 
> runtime, and is (in my opinion) one of the most important assets for the 
> D language. DDL also has the potential to support full reflection.

I wasn't talking about across architectures, just operating systems. Obviously the object code is platform specific.