rust/src/test/run-pass/private-class-field.rs

struct cat {
  priv mut meows : uint,

  how_hungry : int,
}

impl cat {
  fn meow_count() -> uint { self.meows }
}

fn cat(in_x : uint, in_y : int) -> cat {
    cat {
        meows: in_x,
        how_hungry: in_y
    }
}

fn main() {
  let nyan : cat = cat(52u, 99);
  assert (nyan.meow_count() == 52u);
}