Without let-else, you could write that as: let foo_unwrapped = match foo { Some(foo_unwrapped) => foo_unwrapped, None => return, }; Not as

Without let-else, you could write that as: let foo_unwrapped = match foo { Some(foo_unwrapped) => foo_unwrapped, None => return, }; Not as pretty, but you don't have to unwrap.