myart_abcd/
lib.rs

1//! # Art
2//!
3//! A library for modeling artistic concepts.
4
5pub use self::kinds::PrimaryColor;
6pub use self::kinds::SecondaryColor;
7pub use self::utils::mix;
8
9pub mod kinds {
10    /// The primary colors according to the RYB color model.
11    pub enum PrimaryColor {
12        Red,
13        Yellow,
14        Blue,
15    }
16
17    /// The secondary colors according to the RYB color model.
18    pub enum SecondaryColor {
19        Orange,
20        Green,
21        Purple,
22    }
23}
24
25pub mod utils {
26    use crate::kinds::*;
27
28    /// Combines two primary colors in equal amounts to create
29    /// a secondary color.
30    pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
31        use PrimaryColor::*;
32        use SecondaryColor::*;
33
34        match (c1, c2) {
35            (Red, Yellow) | (Yellow, Red) => Orange,
36            (Yellow, Blue) | (Blue, Yellow) => Green,
37            (Red, Blue) | (Blue, Red) => Purple,
38            _ => panic!("Cannot mix the same primary color to get a secondary color"),
39        }
40    }
41}
myart_abcd/lib.rs

myart_abcd/
lib.rs
