FWIW, this isn't mentioned in the book, and only extremely cursorily in the official Rust docs, but looks like 128bit atomics have landed (on supported architec

FWIW, this isn't mentioned in the book, and only extremely cursorily in the official Rust docs, but looks like 128bit atomics have landed (on supported architectures): https://github.com/rust-lang/rust/blob/19bc8fb05ab083a315ee4285b4df7822e8bb1e24/library/core/src/sync/atomic.rs#L2860-L2899 https://github.com/rust-lang/rust/blob/19bc8fb05ab083a315ee4...