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//! # Calchy
//! 
//! `calchy` is a collection of utilities to make performing certain
//! calculations more convenient.

/// Adds two to the number given.
/// 
/// # Examples
/// 
/// ```
/// let arg = 5;
/// let answer = calchy::add_two(arg);
/// 
/// assert_eq!(7, answer);
/// ```
pub fn add_two(x: i32) -> i32 {
    x + 2
}


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