Oh man. I feel like this is a really big deal. I've been wondering what might move data scientists to Rust. Outside working through rustlings and trying new projects in Rust, I wonder if having this available will be it.
The two things that keep Python as the incumbent in this space is A.) It gets out of the way, sometimes to a fault, such that you can kinda write it without knowing what you're doing. This is a feature for most people, not a bug.
And B.) All the math/science libraries that already exist for it.
You can solve B, but until you solve A, Python stays put I think.