warning: unneeded `return` statement
  --> src/v2.rs:14:5
   |
14 |     return Ok(recovered);
   |     ^^^^^^^^^^^^^^^^^^^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
   = note: `#[warn(clippy::needless_return)]` on by default
help: remove `return`
   |
14 -     return Ok(recovered);
14 +     Ok(recovered)
   |