tests/ui/expression-fallback.rs - external/github.com/dtolnay/thiserror - Git at Google

 use thiserror::Error;

 #[derive(Error, Debug)]
 #[error("".yellow)]
 pub struct ArgError;

 fn main() {}
	use thiserror::Error;

	#[derive(Error, Debug)]
	#[error("".yellow)]
	pub struct ArgError;

	fn main() {}