error[E0308]: mismatched types --> $DIR/match-type-err-first-arm.rs:8:15 | LL | fn test_func1(n: i32) -> i32 { | --- expected `i32` because of return type LL | match n { LL | 12 => 'b', | ^^^ expected `i32`, found `char` | help: you can cast a `char` to an `i32`, since a `char` always occupies 4 bytes | LL | 12 => 'b' as i32, | ++++++ error[E0308]: `match` arms have incompatible types --> $DIR/match-type-err-first-arm.rs:18:14 | LL | let x = match n { | _____________- LL | | 12 => 'b', | | --- this is found to be of type `char` LL | | _ => 42, | | ^^ expected `char`, found integer LL | | LL | | LL | | }; | |_____- `match` arms have incompatible types error[E0308]: `match` arms have incompatible types --> $DIR/match-type-err-first-arm.rs:34:14 | LL | let x = match n { | _____________- LL | | 1 => 'b', LL | | 2 => 'b', LL | | 3 => 'b', ... | LL | | 6 => 'b', | | --- this and all prior arms are found to be of type `char` LL | | LL | | _ => 42, | | ^^ expected `char`, found integer LL | | LL | | LL | | }; | |_____- `match` arms have incompatible types error[E0308]: `match` arms have incompatible types --> $DIR/match-type-err-first-arm.rs:46:17 | LL | / match Some(0u32) { LL | | Some(x) => { LL | | x | | - this is found to be of type `u32` LL | | }, LL | | None => {} | | ^^ expected `u32`, found `()` LL | | LL | | LL | | }; | |_____- `match` arms have incompatible types error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0308`.