fn main() {
    let array_gen = {
        let anta = Antagonist::default();

        anta.to_array()
    };


}


#[derive(Debug, Default)]
pub struct Antagonist {
    a: usize,
    b: usize
}


impl Antagonist {

    pub fn to_array(&self) -> &[u8] {
        match self.a + self.b {
            0 => b"SRN",
            _ => b"NTN",
        }
    }

    pub fn to_array2<'a>(&self) -> &'a [u8] {
        match self.a + self.b {
            0 => b"SRN",
            _ => b"NTN",
        }
    }
}