#[derive(Debug, Clone, Copy)]
enum MapTile {
    Dirt,
    Grass,
    Water,
}

#[derive(Debug)]
enum MapTile2 {
    Dirt,
    Grass,
    Water,
}

impl Default for MapTile2 {
    fn default() -> MapTile2 {
        MapTile2::Dirt
    }
}

fn main() {
    let map = [[MapTile::Dirt; 8]; 8];
    let map2 : [[MapTile2; 8]; 8] = Default::default();
    println!("{:?}", map);
    println!("{:?}", map2);
}