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6efddac288
Expand the primary span of E0277 when the immediate unmet bound is not what the user wrote:
```
error[E0277]: the trait bound `i32: Bar` is not satisfied
--> f100.rs:6:6
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6 | <i32 as Foo>::foo();
| ^^^ the trait `Bar` is not implemented for `i32`, which is required by `i32: Foo`
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help: this trait has no implementations, consider adding one
--> f100.rs:2:1
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2 | trait Bar {}
| ^^^^^^^^^
note: required for `i32` to implement `Foo`
--> f100.rs:3:14
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3 | impl<T: Bar> Foo for T {}
| --- ^^^ ^
| |
| unsatisfied trait bound introduced here
```
Fix #40120.
67 lines
1.9 KiB
Plaintext
67 lines
1.9 KiB
Plaintext
error[E0277]: `()` is not a future
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--> $DIR/issue-96555.rs:4:13
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LL | m::f1().await;
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| ------- ^^^^^ `()` is not a future
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| this call returns `()`
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= help: the trait `Future` is not implemented for `()`, which is required by `(): IntoFuture`
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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 - m::f1().await;
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LL + m::f1();
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help: alternatively, consider making `fn f1` asynchronous
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LL | pub async fn f1() {}
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| +++++
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error[E0277]: `()` is not a future
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--> $DIR/issue-96555.rs:5:13
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LL | m::f2().await;
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| ------- ^^^^^ `()` is not a future
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| this call returns `()`
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= help: the trait `Future` is not implemented for `()`, which is required by `(): IntoFuture`
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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 - m::f2().await;
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LL + m::f2();
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help: alternatively, consider making `fn f2` asynchronous
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LL | pub(crate) async fn f2() {}
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| +++++
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error[E0277]: `()` is not a future
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--> $DIR/issue-96555.rs:6:13
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LL | m::f3().await;
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| ------- ^^^^^ `()` is not a future
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| this call returns `()`
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= help: the trait `Future` is not implemented for `()`, which is required by `(): IntoFuture`
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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 - m::f3().await;
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LL + m::f3();
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help: alternatively, consider making `fn f3` asynchronous
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LL | pub async
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| +++++
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error: aborting due to 3 previous errors
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For more information about this error, try `rustc --explain E0277`.
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