Good luck trying to make your Rust code actually slow with random `clone` here and there. You really have to find something huge, or in a tightest loop to even

Good luck trying to make your Rust code actually slow with random `clone` here and there. You really have to find something huge, or in a tightest loop to even notice a difference. And most applications are IO bound on some DB connection anyway. But it's a good advice. For some reason people tend to forget that copying stuff is super cheap, and most lifetime issues can be entirely avoided with a `.clone()`.