num_enum 0.7.6

Procedural macros to make inter-operation between primitives and enums easier.
Documentation 
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#[derive(num_enum::FromPrimitive, num_enum::TryFromPrimitive)]
#[repr(u8)]
enum Numbers {
    Zero,
    #[default]
    One,
    #[default]
    Two,
}

fn main() {

}