src/test/ui/str/str-as-char.stderr

   1 error: character literal may only contain one codepoint
   2   --> $DIR/str-as-char.rs:4:14
   3    |
   4 LL |     println!('●●');
   5    |              ^^^^
   6    |
   7 help: if you meant to write a `str` literal, use double quotes
   8    |
   9 LL |     println!("●●");
  10    |              ^^^^
  11
  12 error: aborting due to previous error
  13