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```
error[E0277]: the trait bound `{gen block@$DIR/gen_block_is_coro.rs:7:5: 7:8}: Coroutine` is not satisfied
--> $DIR/gen_block_is_coro.rs:6:13
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LL | fn foo() -> impl Coroutine<Yield = u32, Return = ()> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Coroutine` is not implemented for `{gen block@$DIR/gen_block_is_coro.rs:7:5: 7:8}`
LL | gen { yield 42 }
| ---------------- return type was inferred to be `{gen block@$DIR/gen_block_is_coro.rs:7:5: 7:8}` here
```
The secondary span label is new.
19 lines
629 B
Plaintext
19 lines
629 B
Plaintext
error[E0631]: type mismatch in coroutine arguments
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--> $DIR/arg-count-mismatch-on-unit-input.rs:5:13
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LL | fn foo() -> impl Coroutine<u8> {
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| ^^^^^^^^^^^^^^^^^^ expected due to this
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...
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LL | |_: ()| {}
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| ----------
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| found signature defined here
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| return type was inferred to be `{coroutine@$DIR/arg-count-mismatch-on-unit-input.rs:8:5: 8:12}` here
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= note: expected coroutine signature `fn(u8) -> _`
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found coroutine signature `fn(()) -> _`
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error: aborting due to 1 previous error
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For more information about this error, try `rustc --explain E0631`.
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