Rust is actually pretty conservative regarding "new stuff". Every single feature of Rust, with the exception of the borrow checker, has been around since the 8

Rust is actually pretty conservative regarding "new stuff". Every single feature of Rust, with the exception of the borrow checker, has been around since the 80s. Even the borrow checker is based on linear / affine types that had been researched in other languages at least over a decade ago.