error: unknown byte escape: f --> $DIR/byte-literals.rs:6:21 | LL | static FOO: u8 = b'\f'; | ^ unknown byte escape error: unknown byte escape: f --> $DIR/byte-literals.rs:9:8 | LL | b'\f'; | ^ unknown byte escape error: invalid character in numeric character escape: Z --> $DIR/byte-literals.rs:10:10 | LL | b'\x0Z'; | ^ error: byte constant must be escaped: \t --> $DIR/byte-literals.rs:11:7 | LL | b' '; | ^^^^ error: byte constant must be escaped: ' --> $DIR/byte-literals.rs:12:7 | LL | b'''; | ^ error: byte constant must be ASCII. Use a \xHH escape for a non-ASCII byte --> $DIR/byte-literals.rs:13:7 | LL | b'é'; | ^ error: unterminated byte constant --> $DIR/byte-literals.rs:14:6 | LL | b'a | ^^^^ error: aborting due to 7 previous errors