Handle errors, or use try! when you want to propagate errors to the caller: https://doc.rust-lang.org/std/macro.try!.html https://doc.rust-lang.org/std/macro.t

Handle errors, or use try! when you want to propagate errors to the caller: https://doc.rust-lang.org/std/macro.try!.html https://doc.rust-lang.org/std/macro.try!.html