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//! # My Crate //! //! `my_crate` is a collection of utilities to make performing certain //! calculations more convenient. /// Adds one to the number given. /// /// # Examples /// /// ``` /// let arg = 5; /// let answer = add_one_konwrz20::add_one(arg); /// /// assert_eq!(6, answer); /// ``` pub fn add_one(x: i32) -> i32 { x + 1 } #[cfg(test)] mod tests { use super::*; #[test] fn it_works() { assert_eq!(add_one(3), 4); } }