#![doc = include_str!("../README.md")]
#![warn(missing_debug_implementations, unreachable_pub, rustdoc::all)]
#![deny(unused_must_use, rust_2018_idioms)]

pub fn add(left: usize, right: usize) -> usize {
    left + right
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn it_works() {
        let result = add(2, 2);
        assert_eq!(result, 4);
    }
}