Function sub3

perro_source/render_stack/perro_meshlets/src/lib.rs:689–691

(a: [f32; 3], b: [f32; 3])

        }));
}

fn better_collapse(current: Option<Collapse>, candidate: Option<Collapse>) -> Option<Collapse> {
    match (current, candidate) {
        (None, x) => x,
        (x, None) => x,
        (Some(a), Some(b)) => {