What is your opinion of Rust? It seems D and Rust can both be seen as saner successors to C++, so I imagine they attract a similar crowd, and maybe compete for

What is your opinion of Rust? It seems D and Rust can both be seen as saner successors to C++, so I imagine they attract a similar crowd, and maybe compete for mindshare. Any ideas from Rust you wish you'd incorporated in D? Any ideas you think Rust ought to borrow from D?