//! # My Crate
//!
//! `my crate` is a collection of utilities to make performing certain
//! calculations more convenient
/// Adds one to the number given.
///
/// # Examples
///
/// ```
/// use p_rust::ch14_lib;
///
/// let arg = 5;
/// let answer = ch14_lib::add_one(arg);
///
/// assert_eq!(6, answer);
/// ```