pub fn empty() -> Self {
        World {
            chunks: HashMap::new(),
        }
    }
/// Creates an empty world without any chunks.
Creates an empty world without any chunks.
Creates an empty world without any chunks .
pub fn empty() -> Self {
        World {
            chunks: HashMap::new(),
        }
    }
pub fn empty ( ) -> Self { World { chunks : HashMap :: new ( ) , } }
Creates an empty world without any chunks.
Creates an empty world without any chunks .