On Efficient Concurrency, Sharing, Move Semantics in Rust vs D

["Nordlöw" via Digitalmars-d]

>> but I believe it would be better to let the (D) compiler 
>> optimization stage figure out _automatically_ if it needs to 
>> make a copy of the variable `numbers` or not depending on 
>> whether `numbers` is used or not further down the body of

I'm surprised that nobody has answered this discussion...

Isn't this an important question/possibility now that we soon 
have inference of uniqueness/immutability in DMD from Walters 
work?

Ping!