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;