error[E0308]: `match` arms have incompatible types --> $DIR/match-prev-arm-needing-semi.rs:35:18 | LL | let _ = match true { | _____________- LL | | true => { LL | | async_dummy(); | | -------------- this is found to be of type `()` LL | | LL | | } LL | | false => async_dummy(), | | ^^^^^^^^^^^^^ expected `()`, found opaque type ... | LL | | LL | | }; | |_____- `match` arms have incompatible types | note: while checking the return type of the `async fn` --> $DIR/match-prev-arm-needing-semi.rs:16:24 | LL | async fn async_dummy() {} | ^ checked the `Output` of this `async fn`, found opaque type = note: expected unit type `()` found opaque type `impl Future` help: consider `await`ing on the `Future` | LL | false => async_dummy().await, | ++++++ help: consider removing this semicolon | LL - async_dummy(); LL + async_dummy() | error[E0308]: `match` arms have incompatible types --> $DIR/match-prev-arm-needing-semi.rs:48:18 | LL | let _ = match true { | _____________- LL | | true => { LL | | async_dummy(); | | -------------- this is found to be of type `()` LL | | LL | | } LL | | false => async_dummy2(), | | ^^^^^^^^^^^^^^ expected `()`, found opaque type ... | LL | | LL | | }; | |_____- `match` arms have incompatible types | note: while checking the return type of the `async fn` --> $DIR/match-prev-arm-needing-semi.rs:22:25 | LL | async fn async_dummy2() {} | ^ checked the `Output` of this `async fn`, found opaque type = note: expected unit type `()` found opaque type `impl Future` help: consider `await`ing on the `Future` | LL | false => async_dummy2().await, | ++++++ help: consider removing this semicolon and boxing the expressions | LL ~ Box::new(async_dummy()) LL | LL | } LL ~ false => Box::new(async_dummy2()), | error[E0308]: `match` arms have incompatible types --> $DIR/match-prev-arm-needing-semi.rs:59:18 | LL | let _ = match true { | _____________- LL | | true => async_dummy(), | | ------------- this is found to be of type `impl Future` LL | | LL | | false => async_dummy2(), | | ^^^^^^^^^^^^^^ expected opaque type, found a different opaque type ... | LL | | LL | | }; | |_____- `match` arms have incompatible types | note: while checking the return type of the `async fn` --> $DIR/match-prev-arm-needing-semi.rs:16:24 | LL | async fn async_dummy() {} | ^ checked the `Output` of this `async fn`, expected opaque type note: while checking the return type of the `async fn` --> $DIR/match-prev-arm-needing-semi.rs:22:25 | LL | async fn async_dummy2() {} | ^ checked the `Output` of this `async fn`, found opaque type = note: expected opaque type `impl Future` (opaque type at <$DIR/match-prev-arm-needing-semi.rs:16:24>) found opaque type `impl Future` (opaque type at <$DIR/match-prev-arm-needing-semi.rs:22:25>) = note: distinct uses of `impl Trait` result in different opaque types help: consider `await`ing on both `Future`s | LL ~ true => async_dummy().await, LL | LL ~ false => async_dummy2().await, | error[E0308]: `match` arms have incompatible types --> $DIR/match-prev-arm-needing-semi.rs:11:18 | LL | let _ = match true { | _____________- LL | | true => { LL | | dummy(); | | -------- | | | | | | | help: consider removing this semicolon | | this is found to be of type `()` LL | | LL | | } LL | | false => dummy(), | | ^^^^^^^ expected `()`, found `i32` LL | | LL | | }; | |_____- `match` arms have incompatible types error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0308`.