src/test/ui/str/str-idx.rs

   1 pub fn main() {
   2     let s: &str = "hello";
   3     let _: u8 = s[4]; //~ ERROR the type `str` cannot be indexed by `{integer}`
   4     let _ = s.get(4); //~ ERROR the type `str` cannot be indexed by `{integer}`
   5     let _ = s.get_unchecked(4); //~ ERROR the type `str` cannot be indexed by `{integer}`
   6     let _: u8 = s['c']; //~ ERROR the type `str` cannot be indexed by `char`
   7 }