mirror of https://github.com/rust-lang/rust
70 lines
3.4 KiB
Plaintext
70 lines
3.4 KiB
Plaintext
error[E0308]: mismatched types
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--> $DIR/coroutine-desc.rs:10:19
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LL | fun(async {}, async {});
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| --- -------- ^^^^^^^^ expected `async` block, found a different `async` block
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| | the expected `async` block
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| | expected all arguments to be this `async` block type because they need to match the type of this parameter
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| arguments to this function are incorrect
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= note: expected `async` block `{async block@$DIR/coroutine-desc.rs:10:9: 10:14}`
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found `async` block `{async block@$DIR/coroutine-desc.rs:10:19: 10:24}`
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= note: no two async blocks, even if identical, have the same type
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= help: consider pinning your async block and casting it to a trait object
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note: function defined here
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--> $DIR/coroutine-desc.rs:8:4
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LL | fn fun<F: Future<Output = ()>>(f1: F, f2: F) {}
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| ^^^ - ----- ----- this parameter needs to match the `async` block type of `f1`
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| | |
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| | `f2` needs to match the `async` block type of this parameter
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| `f1` and `f2` all reference this parameter F
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error[E0308]: mismatched types
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--> $DIR/coroutine-desc.rs:12:16
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LL | fun(one(), two());
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| --- ----- ^^^^^ expected future, found a different future
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| | |
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| | expected all arguments to be this future type because they need to match the type of this parameter
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| arguments to this function are incorrect
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= help: consider `await`ing on both `Future`s
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= note: distinct uses of `impl Trait` result in different opaque types
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note: function defined here
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--> $DIR/coroutine-desc.rs:8:4
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LL | fn fun<F: Future<Output = ()>>(f1: F, f2: F) {}
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| ^^^ - ----- ----- this parameter needs to match the future type of `f1`
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| | `f2` needs to match the future type of this parameter
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| `f1` and `f2` all reference this parameter F
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error[E0308]: mismatched types
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--> $DIR/coroutine-desc.rs:14:26
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LL | fun((async || {})(), (async || {})());
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| --- --------------- ^^^^^^^^^^^^^^^ expected `async` closure body, found a different `async` closure body
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| | | |
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| | | the expected `async` closure body
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| | expected all arguments to be this `async` closure body type because they need to match the type of this parameter
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| arguments to this function are incorrect
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= note: expected `async` closure body `{async closure body@$DIR/coroutine-desc.rs:14:19: 14:21}`
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found `async` closure body `{async closure body@$DIR/coroutine-desc.rs:14:36: 14:38}`
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= note: no two async blocks, even if identical, have the same type
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= help: consider pinning your async block and casting it to a trait object
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note: function defined here
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--> $DIR/coroutine-desc.rs:8:4
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LL | fn fun<F: Future<Output = ()>>(f1: F, f2: F) {}
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| ^^^ - ----- ----- this parameter needs to match the `async` closure body type of `f1`
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| | `f2` needs to match the `async` closure body type of this parameter
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| `f1` and `f2` all reference this parameter F
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error: aborting due to 3 previous errors
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For more information about this error, try `rustc --explain E0308`.
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