src/doc/book/listings/ch18-patterns-and-matching/listing-18-15/src/main.rs

   1 enum Message {
   2     Quit,
   3     Move { x: i32, y: i32 },
   4     Write(String),
   5     ChangeColor(i32, i32, i32),
   6 }
   7
   8 fn main() {
   9     let msg = Message::ChangeColor(0, 160, 255);
  10
  11     match msg {
  12         Message::Quit => {
  13             println!("The Quit variant has no data to destructure.")
  14         }
  15         Message::Move { x, y } => {
  16             println!(
  17                 "Move in the x direction {} and in the y direction {}",
  18                 x, y
  19             );
  20         }
  21         Message::Write(text) => println!("Text message: {}", text),
  22         Message::ChangeColor(r, g, b) => println!(
  23             "Change the color to red {}, green {}, and blue {}",
  24             r, g, b
  25         ),
  26     }
  27 }