error[E0308]: mismatched types --> $DIR/const-type-mismatch.rs:4:21 | LL | const TWELVE: u16 = TEN + 2; | ^^^^^^^ expected u16, found u8 error[E0308]: mismatched types --> $DIR/const-type-mismatch.rs:9:27 | LL | const ALSO_TEN: u16 = TEN; | ^^^ expected u16, found u8 error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0308`.