src/test/ui/str/str-idx.rs - third_party/rust - Git at Google

 pub fn main() {
     let s: &str = "hello";
     let c: u8 = s[4]; //~ ERROR the type `str` cannot be indexed by `{integer}`
 }
	pub fn main() {
	let s: &str = "hello";
	let c: u8 = s[4]; //~ ERROR the type `str` cannot be indexed by `{integer}`
	}