Rush is Snabb written in Rust.
Screencast on writing Snabb in Rust
A note about
/vendor
... The choice to check-in dependencies is an intentional one. It is perhaps dogmatic but this repo follows a strict “vendor-everything” policy because dev ergonomics. Besides increasing the chances that things will Just Work™ for you, dear reader, it also releases us from being beholden to external package changes, updates, and breakages.