Comment by carderne

I’m just a casual observer of this thread, but I think you’d find it worthwhile to read up a bit on zero-copy stuff.

It’s ~impossible in Python (because you don’t control memory) and hard in C/similar (because of use-after-free).

Rust’s borrow checker makes it easier, but it’s still tricky (for non-trivial applications). You have to do all your transformations and data movements while only referencing the original data.