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error: casting a character literal to `u8` truncates
--> $DIR/char_lit_as_u8.rs:4:13
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LL | let _ = '❤' as u8; // no suggestion, since a byte literal won't work.
| ^^^^^^^^^
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= note: `-D clippy::char-lit-as-u8` implied by `-D warnings`
= note: `char` is four bytes wide, but `u8` is a single byte
error: aborting due to previous error
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