c-enum

A rust macro for easily defining structs that act like C enums.

  - Documentation
  - Release Notes

Example

use c_enum::c_enum;

c_enum! {
    #[derive(Copy, Clone, PartialEq, Eq, Ord, PartialOrd, Hash)]
    pub enum Variant: u32 {
        A,
        B,
        C = 5,
    }
}

fn main() {
    let v1 = Variant::A;
    let v2 = Variant::from(77);

    match v1 {
        Variant::A => println!("A"),   // named values...
        Variant::B => println!("B"),
        Variant(77) => println!("77"), // values without named variants also work
        _ => println!("other value"),
    }
}
