rust-course/assets/rustlings-zh/exercises/variables/variables4.rs

// variables4.rs
// 让我能够编译！执行 `rustex hint variables4` 获取提示 :)

// I AM NOT DONE

/// 翻译: [mg-chao](https://github.com/mg-chao)
fn main() {
    let x: i32;
    println!("Number {}", x);
}