- mut
Change attributes of a mutable struct
- Using the mut keyword we can defined a struct to be mutable.
examples/struct/mutable-point/src/main.rs
struct Point { x: i32, y: i32, } fn main() { let mut a = Point { x: 2, y: 3 }; println!("{}", a.x); println!("{}", a.y); a.y = 7; println!("{}", a.y); }
2 3 7