//! # comments
//!//! `comments` is a collection to test the doc.
/// Adds one to the number given.
////// # Example
////// ```
/// let five = 5;
////// assert_eq!(6, comments::add_one(5));
/// ```
pubfnadd_one(x:i32)->i32{
x +1}#[cfg(test)]modtests{#[test]fnit_works(){assert_eq!(2+2,4);}}