Opportunity

[Walter Bright]

On 4/10/2013 11:13 AM, Walter Bright wrote:
> On 4/10/2013 9:13 AM, Andrei Alexandrescu wrote:
>>>> What about precise tracking of stack references?
>> Zose do need some magic.
>
> Yup.


But I should amend that since D can call any code with a C interface, and has 
zero knowledge of what is on the C stack, and may also be handed blocks of C 
data of unknown types, there are limits to precise tracking of all references.

At best a D collector can be "mostly copying".