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`
```
56 lines
1.7 KiB
Plaintext
56 lines
1.7 KiB
Plaintext
error[E0277]: `Rc<Foo>` cannot be shared between threads safely
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--> $DIR/issue-40827.rs:14:7
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LL | f(Foo(Arc::new(Bar::B(None))));
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| - ^^^^^^^^^^^^^^^^^^^^^^^^^^^ `Rc<Foo>` cannot be shared between threads safely
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| required by a bound introduced by this call
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= help: within `Bar`, the trait `Sync` is not implemented for `Rc<Foo>`
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note: required because it appears within the type `Bar`
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--> $DIR/issue-40827.rs:6:6
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LL | enum Bar {
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| ^^^
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= note: required for `Arc<Bar>` to implement `Send`
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note: required because it appears within the type `Foo`
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--> $DIR/issue-40827.rs:4:8
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LL | struct Foo(Arc<Bar>);
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| ^^^
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note: required by a bound in `f`
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--> $DIR/issue-40827.rs:11:9
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LL | fn f<T: Send>(_: T) {}
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| ^^^^ required by this bound in `f`
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error[E0277]: `Rc<Foo>` cannot be sent between threads safely
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--> $DIR/issue-40827.rs:14:7
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LL | f(Foo(Arc::new(Bar::B(None))));
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| - ^^^^^^^^^^^^^^^^^^^^^^^^^^^ `Rc<Foo>` cannot be sent between threads safely
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| required by a bound introduced by this call
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= help: within `Bar`, the trait `Send` is not implemented for `Rc<Foo>`
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note: required because it appears within the type `Bar`
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--> $DIR/issue-40827.rs:6:6
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LL | enum Bar {
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| ^^^
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= note: required for `Arc<Bar>` to implement `Send`
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note: required because it appears within the type `Foo`
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--> $DIR/issue-40827.rs:4:8
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LL | struct Foo(Arc<Bar>);
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| ^^^
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note: required by a bound in `f`
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--> $DIR/issue-40827.rs:11:9
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LL | fn f<T: Send>(_: T) {}
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| ^^^^ required by this bound in `f`
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error: aborting due to 2 previous errors
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For more information about this error, try `rustc --explain E0277`.
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