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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`
```
32 lines
1.3 KiB
Plaintext
32 lines
1.3 KiB
Plaintext
error[E0277]: the trait bound `for<'de> EmptyBis<'de>: Foo<'_>` is not satisfied
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--> $DIR/issue-96223.rs:49:17
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LL | icey_bounds(&p);
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| ----------- ^^ the trait `for<'de> Foo<'_>` is not implemented for `EmptyBis<'de>`
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| |
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| required by a bound introduced by this call
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= help: the trait `Foo<'de>` is implemented for `Baz<T>`
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note: required for `Baz<EmptyBis<'de>>` to implement `for<'de> Foo<'de>`
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--> $DIR/issue-96223.rs:16:14
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LL | impl<'de, T> Foo<'de> for Baz<T> where T: Foo<'de> {}
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| ^^^^^^^^ ^^^^^^ -------- unsatisfied trait bound introduced here
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note: required for `Empty` to implement `Dummy<EmptyMarker>`
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--> $DIR/issue-96223.rs:20:9
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LL | impl<M> Dummy<M> for Empty
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| ^^^^^^^^ ^^^^^
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...
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LL | for<'de> Baz<<M::Bar as Bar<'de>>::Inner>: Foo<'de>,
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| -------- unsatisfied trait bound introduced here
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note: required by a bound in `icey_bounds`
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--> $DIR/issue-96223.rs:45:19
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LL | fn icey_bounds<D: Dummy<EmptyMarker>>(p: &D) {}
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| ^^^^^^^^^^^^^^^^^^ required by this bound in `icey_bounds`
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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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