src/doc/book/listings/ch14-more-about-cargo/listing-14-04/src/lib.rs

   1 //! # Art
   2 //!
   3 //! A library for modeling artistic concepts.
   4
   5 pub mod kinds {
   6     /// The primary colors according to the RYB color model.
   7     pub enum PrimaryColor {
   8         Red,
   9         Yellow,
  10         Blue,
  11     }
  12
  13     /// The secondary colors according to the RYB color model.
  14     pub enum SecondaryColor {
  15         Orange,
  16         Green,
  17         Purple,
  18     }
  19 }
  20
  21 pub mod utils {
  22     use crate::kinds::*;
  23
  24     /// Combines two primary colors in equal amounts to create
  25     /// a secondary color.
  26     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
  27         SecondaryColor::Orange
  28     }
  29 }