D vs Rust

[jmh530 via Digitalmars-d]

On Friday, 29 January 2016 at 12:05:08 UTC, Kagamin wrote:
>
> Actually less. Without RAII you can't bind any realistic C++ 
> library like Qt.

My understanding is that D has a lot of options for behavior 
similar to RAII, but it does not have the full capability. What 
would be the most important thing for D to change to improve the 
experience of binding to C++?