fn main_1() {
  let x_11 : bool = false;
  let x_12 : u32 = 0u;
  let x_13 : i32 = 0;
  let x_14 : f32 = 0.0;
  return;
}

[[stage(fragment)]]
fn main() {
  main_1();
}
