Function copy

pub fn copy<'a, 'b>(
    a: &'a mut dyn R867207405fe87fda620c2d7a5485e8e5e274636a898a166fb674448b4391ffc5,
    ai: u32,
    b: &'b mut dyn R867207405fe87fda620c2d7a5485e8e5e274636a898a166fb674448b4391ffc5,
    bi: u32,
)