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//! # Art
//! 
//! A library for modeling artistic concepts

// In cases where there are many nested modules, re-exporting the types at the top level 
// with pub use can make a significant difference in the experience of people who use the crate.
pub use self::kinds::PrimaryColor;
pub use self::kinds::SecondaryColor;
pub use self::utils::mix;

pub mod kinds {
    /// The primary colors accroding to the RYB color model
    pub enum PrimaryColor {
        Red,
        Yellow,
        Blue,
    }
    
    /// The secondary colors according to the RYB color model.
    pub enum SecondaryColor {
        Orange,
        Green,
        Purple,
    }
}

pub mod utils {
    use crate::kinds::*;

    /// Combines two primary colors in equal amounts to create
    /// a secondary color
    pub fn mix (c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor{
        SecondaryColor::Orange
    }
}

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