1/// Adds one to the number given. 2/// 3/// # Examples 4/// 5/// ``` 6/// use adder_simple::add_one; 7/// 8/// let arg = 5; 9/// let answer = add_one(arg); 10/// 11/// assert_eq!(6, answer); 12/// ``` 13pub fn add_one(x: i32) -> i32 { 14 x + 1 15}