hello_foo_rs/
lib.rs

1//! Foo
2//! Library functions for doing math.
3
4/// Adds two integers.
5///
6/// # Example
7/// ```
8/// assert_eq!(foo::plus(2, 3), 5);
9/// ```
10pub fn plus(x: i32, y: i32) -> i32 {
11    x + y
12}
13
14pub mod garden;
15
16pub use self::garden::minus;