A rust macro for easily defining structs that act like C enums.
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"),
}
}