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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`
```
31 lines
1.2 KiB
Plaintext
31 lines
1.2 KiB
Plaintext
error[E0425]: cannot find value `unknown` in this scope
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--> $DIR/dont-autoderef-ty-with-escaping-var.rs:17:35
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LL | <i32 as RefFoo<i32>>::ref_foo(unknown);
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| ^^^^^^^ not found in this scope
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error[E0277]: the trait bound `for<'a> &'a mut Vec<&'a u32>: Foo<'static, i32>` is not satisfied
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--> $DIR/dont-autoderef-ty-with-escaping-var.rs:17:6
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LL | <i32 as RefFoo<i32>>::ref_foo(unknown);
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| ^^^ the trait `for<'a> Foo<'static, i32>` is not implemented for `&'a mut Vec<&'a u32>`
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help: this trait has no implementations, consider adding one
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--> $DIR/dont-autoderef-ty-with-escaping-var.rs:3:1
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LL | trait Foo<'x, T> {}
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| ^^^^^^^^^^^^^^^^
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note: required for `i32` to implement `RefFoo<i32>`
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--> $DIR/dont-autoderef-ty-with-escaping-var.rs:9:9
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LL | impl<T> RefFoo<T> for T
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| ^^^^^^^^^ ^
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LL | where
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LL | for<'a> &'a mut Vec<&'a u32>: Foo<'static, T>,
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| --------------- unsatisfied trait bound introduced here
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error: aborting due to 2 previous errors
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Some errors have detailed explanations: E0277, E0425.
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For more information about an error, try `rustc --explain E0277`.
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