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//! # 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));
/// ```
pub fn add_one(x: i32) -> i32 {
	x + 1
}

#[cfg(test)]
mod tests {
    #[test]
    fn it_works() {
        assert_eq!(2 + 2, 4);
    }
}