tests/ui/cast/issue-10991.rs - rust - Git at Google

 fn main() {
     let nil = ();
     let _t = nil as usize; //~ ERROR: non-primitive cast: `()` as `usize`
 }
	fn main() {
	let nil = ();
	let _t = nil as usize; //~ ERROR: non-primitive cast: `()` as `usize`
	}