Puts me in mind of that meme with the beginner -> intermediate -> expert chart with something like Rust Beginner: just clone everything Intermediate: work out

Puts me in mind of that meme with the beginner -> intermediate -> expert chart with something like Rust Beginner: just clone everything Intermediate: work out every intricacy that allows us to use multiple lifetimes Expert: just clone everything This proposal feels like it's in the middle.