//! Your task is to define the variants of the enumeration. Do not edit `main`. #[derive(Debug)] // This makes printing the instances with {:?} (debug format) possible enum Message { // TODO: define missing variants } #[test] fn main() { println!("{:?}", Message::Quit); println!("{:?}", Message::Echo); println!("{:?}", Message::Move); println!("{:?}", Message::ChangeColor); }