Attribute Macro int_enum::int_enum

#[int_enum]

Attribute macro taking the integer type for the enum.

Example

use int_enum::*;

#[int_enum(u8)]
#[derive(Debug, PartialEq)]
pub enum SmallInt {
    One = 1,
    Two = 2,
}

fn main() {
    assert_eq!(SmallInt::One.as_int(), Some(1));

    assert_eq!(SmallInt::from_int(2), Some(SmallInt::Two));
    assert_eq!(SmallInt::from_int(5), None);
}