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```
error[E0277]: `()` is not a future
--> $DIR/unnecessary-await.rs:28:10
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LL | e!().await;
| ^^^^^ `()` is not a future
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= help: the trait `Future` is not implemented for `()`
= note: () must be a future or must implement `IntoFuture` to be awaited
= note: required for `()` to implement `IntoFuture`
help: remove the `.await`
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LL - e!().await;
LL + e!();
|
```
```
error[E0277]: the trait bound `String: Copy` is not satisfied
--> $DIR/const-fn-in-vec.rs:1:47
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LL | static _MAYBE_STRINGS: [Option<String>; 5] = [None; 5];
| ^^^^ the trait `Copy` is not implemented for `String`
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= note: required for `Option<String>` to implement `Copy`
= note: the `Copy` trait is required because this value will be copied for each element of the array
help: create an inline `const` block
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LL | static _MAYBE_STRINGS: [Option<String>; 5] = [const { None }; 5];
| +++++++ +
```
21 lines
752 B
Plaintext
21 lines
752 B
Plaintext
error[E0277]: `[(); _]` is not a future
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--> $DIR/unresolved-ct-var.rs:6:45
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LL | let s = std::array::from_fn(|_| ()).await;
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| --------------------------- ^^^^^ `[(); _]` is not a future
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| |
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| this call returns `[(); _]`
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= help: the trait `Future` is not implemented for `[(); _]`
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= note: [(); _] must be a future or must implement `IntoFuture` to be awaited
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= note: required for `[(); _]` to implement `IntoFuture`
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help: remove the `.await`
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LL - let s = std::array::from_fn(|_| ()).await;
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LL + let s = std::array::from_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 E0277`.
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