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