Documentation
//! # Art
//!
//! A library for modeling artistic concepts
pub mod kinds {
    /// The primary colors according to the RYB color model.
    pub enum PrimaryColor {
        Red,
        Yellow,
        Blue,
    }

    /// The secondary colors according to the RYB color model.
    #[derive(Debug)]
    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{
         match (c1, c2) {
                (PrimaryColor::Red, PrimaryColor::Yellow) |
                (PrimaryColor::Yellow, PrimaryColor::Red) => SecondaryColor::Orange,
                (PrimaryColor::Red, PrimaryColor::Blue) |
                (PrimaryColor::Blue, PrimaryColor::Red) => SecondaryColor::Purple,
                (PrimaryColor::Yellow, PrimaryColor::Blue) |
                (PrimaryColor::Blue, PrimaryColor::Yellow) => SecondaryColor::Green,
                (_, _) => SecondaryColor::Purple,
         }
    }
}