I once built one in Swift 4, in part to see how multithreading via SwiftNIO and using copy-on-write datastructures would compare. It held up well against the C

I once built one in Swift 4, in part to see how multithreading via SwiftNIO and using copy-on-write datastructures would compare. It held up well against the C implementation, would be worth trying again against Swift 5.x. https://github.com/NozeIO/redi-s https://github.com/NozeIO/redi-s