个回答

• 慕田峪7896321

  2021-03-20 18:17:57

  fn main() {

      let x = 1;

      let y = x *2;
  

      println!("x和y的值分别是：{0},{1}", x, y);

  }

  0

• 慕田峪7896321

  2021-03-20 18:12:43

  fn main() {

      println!("hello");

  }

  0