use std::ops::Add;

#[derive(Copy)]
struct Big {
    things: [u64; 100],
}

impl Add<Big> for Big {
    type Output = Big;

    #[inline(never)]
    fn add(self, rhs: Big) -> Big {
        let mut c = Big { things: [0; 100] };
        for i in 0..100 {
            c.things[i] = self.things[i] + rhs.things[i];
        }
        c
    }
}

fn main() {
    let a = Big { things: [1; 100] };
    let b = Big { things: [2; 100] };
    let c = a + b;

    //test::black_box(c);
    println!("{} + {} = {}", a.things[0], b.things[0], c.things[0])
}