rustlings/exercises/variables/variables6.rs

// variables6.rs
//
// Execute `rustlings hint variables6` or use the `hint` watch subcommand for a
// hint.

// I AM DONE

// Constants types must also always be annotated.
// 常量的类型总是需要标注
const NUMBER: i32 = 3;
fn main() {
    println!("Number {}", NUMBER);
}