mirror of https://github.com/rust-lang/rust
41 lines
1.4 KiB
Plaintext
41 lines
1.4 KiB
Plaintext
error[E0282]: type annotations needed
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--> $DIR/recursive-coroutine-boxed.rs:15:23
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LL | let mut gen = Box::pin(foo());
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| ^^^^^^^^ cannot infer type of the type parameter `T` declared on the struct `Box`
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LL |
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LL | let mut r = gen.as_mut().resume(());
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| ------ type must be known at this point
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help: consider specifying the generic argument
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LL | let mut gen = Box::<T>::pin(foo());
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| +++++
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error[E0308]: mismatched types
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--> $DIR/recursive-coroutine-boxed.rs:14:18
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LL | fn foo() -> impl Coroutine<Yield = (), Return = ()> {
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| ---------------------------------------
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| |
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| the expected opaque type
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| expected `impl Coroutine<Yield = (), Return = ()>` because of return type
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...
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LL | #[coroutine] || {
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| __________________^
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LL | | let mut gen = Box::pin(foo());
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LL | |
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LL | | let mut r = gen.as_mut().resume(());
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... |
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LL | | }
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LL | | }
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| |_____^ types differ
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= note: expected opaque type `impl Coroutine<Yield = (), Return = ()>`
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found coroutine `{coroutine@$DIR/recursive-coroutine-boxed.rs:14:18: 14:20}`
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error: aborting due to 2 previous errors
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Some errors have detailed explanations: E0282, E0308.
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For more information about an error, try `rustc --explain E0282`.
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