C-like
enum
can also be used as C-like enums.
// An attribute to hide warnings for unused code. #![allow(dead_code)] // enum with implicit discriminator (starts at 0) enum Number { Zero, One, Two, } // enum with explicit discriminator enum Color { Red = 0xff0000, Green = 0x00ff00, Blue = 0x0000ff, } fn main() { // `enums` can be cast as integers. println!("zero is {}", Number::Zero as i32); println!("one is {}", Number::One as i32); println!("roses are #{:06x}", Color::Red as i32); println!("violets are #{:06x}", Color::Blue as i32); }