rust_cargo_test/
lib.rs

1// ‘///’ 代表文档注释 cargo doc 可以生产文档
2
3
4
5
6//! # Art
7//! 
8//! A library for modeling artistic concepts.
9//! 
10pub use kinds::PrimaryColor;  //使用 pub use 可以将深层次的类型导出 提前到外部 以便其他文件使用
11pub use kinds::SecondaryColor;
12pub use utils::mix;
13
14pub mod kinds {
15    /// The primary colors according to the RYB color model.
16    
17    #[derive(Debug)]
18    pub enum PrimaryColor {
19        Red,
20        Yellow,
21        Blue,
22    }
23    /// The secondary colors according to the RYB color model.
24    #[derive(Debug)]
25    pub enum SecondaryColor {
26        Orange,
27        Green,
28        Purple,
29    }
30}
31
32pub mod utils {
33    use crate::kinds::*;
34
35    /// Combines two primary colors in equal amounts to create
36    /// a secondary color.
37    pub fn mix(c1: PrimaryColor, c2: SecondaryColor) -> String {
38        format!("{:?}-{:?}", c1, c2)
39    }
40}
41
42
43/// Adds one to the number given.
44/// # Examples
45/// ```
46/// let five = 5;
47/// assert_eq!(6, cargo::add_one(5));
48/// ```
49
50
51pub fn add_one(x: i32) -> i32 {
52    x+1
53
54}
rust_cargo_test/lib.rs

rust_cargo_test/
lib.rs
