5b54286640
Remove the "which is required by `{root_obligation}`" post-script in
"the trait `X` is not implemented for `Y`" explanation in E0277. This
information is already conveyed in the notes explaining requirements,
making it redundant while making the text (particularly in labels)
harder to read.
```
error[E0277]: the trait bound `NotCopy: Copy` is not satisfied
--> $DIR/wf-static-type.rs:10:13
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LL | static FOO: IsCopy<Option<NotCopy>> = IsCopy { t: None };
| ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `NotCopy`
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= note: required for `Option<NotCopy>` to implement `Copy`
note: required by a bound in `IsCopy`
--> $DIR/wf-static-type.rs:7:17
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LL | struct IsCopy<T:Copy> { t: T }
| ^^^^ required by this bound in `IsCopy`
```
vs the prior
```
error[E0277]: the trait bound `NotCopy: Copy` is not satisfied
--> $DIR/wf-static-type.rs:10:13
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LL | static FOO: IsCopy<Option<NotCopy>> = IsCopy { t: None };
| ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `NotCopy`, which is required by `Option<NotCopy>: Copy`
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= note: required for `Option<NotCopy>` to implement `Copy`
note: required by a bound in `IsCopy`
--> $DIR/wf-static-type.rs:7:17
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LL | struct IsCopy<T:Copy> { t: T }
| ^^^^ required by this bound in `IsCopy`
```
68 lines
2.1 KiB
Plaintext
68 lines
2.1 KiB
Plaintext
error[E0277]: `()` is not a future
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--> $DIR/unnecessary-await.rs:9:11
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LL | boo().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 `()`
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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 - boo().await;
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LL + boo();
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help: alternatively, consider making `fn boo` asynchronous
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LL | async fn boo() {}
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| +++++
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error[E0277]: `()` is not a future
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--> $DIR/unnecessary-await.rs:28:10
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LL | e!().await;
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| -^^^^^
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| ||
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| |`()` is not a future
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| help: remove the `.await`
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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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error[E0277]: `()` is not a future
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--> $DIR/unnecessary-await.rs:22:15
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LL | $expr.await
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| ^^^^^
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| `()` is not a future
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| remove the `.await`
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...
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LL | f!(());
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| ------ in this macro invocation
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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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= note: this error originates in the macro `f` (in Nightly builds, run with -Z macro-backtrace for more info)
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error[E0277]: `()` is not a future
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--> $DIR/unnecessary-await.rs:36:20
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LL | for x in [] {}.await
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| -^^^^^
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| ||
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| |`()` is not a future
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| help: remove the `.await`
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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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error: aborting due to 4 previous errors
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For more information about this error, try `rustc --explain E0277`.
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