1 error: empty character literal
2 --> $DIR/lex-bad-char-literals-7.rs:2:20
7 error: empty unicode escape (must have at least 1 hex digit)
8 --> $DIR/lex-bad-char-literals-7.rs:4:20
10 LL | let _: char = '\u{}';
13 error[E0762]: unterminated character literal
14 --> $DIR/lex-bad-char-literals-7.rs:11:13
16 LL | let _ = ' hello // here's a comment
19 error: aborting due to 3 previous errors
21 For more information about this error, try `rustc --explain E0762`.