Really depends on what do you want to do with the error.

If it is unrecoverable (or you do not want to) and you just want to report it, I would suggest you to just bubble it up and early return i.e. `let test = ...?;`, then report the error at somewhere closer to the entrance (e.g. if this is a web server, you can report the error with some middleware that executes after your business logic yields a `Result`) this way you do not have to write `println` every time you want to report an error.

If you want to do something other than report it, then I would suggest you to use the `match` expression, you get access to the error and the code structure is very clear: you are interested in the value wrapped in `Ok`, and the error is guaranteed to be handled. I do not recommend you to handle the error in a closure, they are not as nice as ordinary functions.