https://lkml.iu.edu/hypermail/linux/kernel/2304.1/02811.html
Linux-Kernel Archive: Re: [PATCH v4 01/13] rust: sync: introduce `LockClassKey`
linux kernel
https://rust.docs.kernel.org/kernel/sync/struct.LockClassKey.html
LockClassKey in kernel::sync - Rust
Represents a lockdep class.
kernelsyncrust