That's not quite the same (functionally) as the Rust solution though? Unless you meant to just illustrate a minimal PoC, in that case I suppose it does the job.

That's not quite the same (functionally) as the Rust solution though? Unless you meant to just illustrate a minimal PoC, in that case I suppose it does the job. More importantly (IMO) Rust allows us to be truly generic without sacrificing any type safety in the process.