092ecca5b9
```
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.
15 lines
443 B
Plaintext
15 lines
443 B
Plaintext
error[E0283]: type annotations needed
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--> $DIR/opaque-cast-field-access-in-future.rs:22:17
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LL | fn run() -> Foo<impl Future<Output = ()>> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
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LL |
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LL | loop {}
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| ------- return type was inferred to be `!` here
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= note: cannot satisfy `_: Future`
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error: aborting due to 1 previous error
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For more information about this error, try `rustc --explain E0283`.
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