It is totally ok to not understand stuff, and it's totally ok to not want to learn it as long as you don't need it. Rust is a language with plenty of things to

It is totally ok to not understand stuff, and it's totally ok to not want to learn it as long as you don't need it. Rust is a language with plenty of things to learn, some of which take some time to get used to. And often, having a concrete need for something makes it easier to learn the associated technique.