RFC: std.json sucessor

[Ola Fosheim Gr via Digitalmars-d]

On Saturday, 23 August 2014 at 02:30:23 UTC, Walter Bright wrote:
> Another possibility is to have the user pass in a resizeable 
> buffer which then will be used to store the strings in as 
> necessary.
>
> One example is std.internal.scopebuffer. The nice thing about 
> that is the user can use the stack for the storage, which works 
> out to be very, very fast.

Does this mean that D is getting resizable stack allocations in 
lower stack frames? That has a lot of implications for code gen.