I've mostly experienced it when moving from borrowing to ownership and vice versa. E.g. having a struct that takes ownership over its fields, and then moving it

I've mostly experienced it when moving from borrowing to ownership and vice versa. E.g. having a struct that takes ownership over its fields, and then moving it to a borrow with a lifetime. It's not super common though, especially if the code is not in the hot path which means you can just keep things simple and clone.