File: alternative_exprs.rs

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rust-num-enum 0.7.5-1
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const THREE: u8 = 3;

#[derive(num_enum::TryFromPrimitive)]
#[repr(i8)]
enum Numbers {
    Zero = 0,
    #[num_enum(alternatives = [-1, 2, THREE])]
    One = 1,
}

fn main() {

}