Function qubaitian_hello_cargo::add_one

pub fn add_one(x: i32) -> i32

Adds one to the number given.

Examples

let arg = 5;
let answer = hello_cargo::add_one(arg);

assert_eq!(6, answer);

Adds two to the number given.

and i wrote a lot

cargo test –doc d cargo test –doc –no-run –bin=hello_cargo –package=hello_cargo –message-format=json