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`
```
40 lines
1.5 KiB
Plaintext
40 lines
1.5 KiB
Plaintext
error[E0747]: type provided when a constant was expected
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--> $DIR/kind_mismatch.rs:11:38
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LL | impl<K> ContainsKey<K> for KeyHolder<K> {}
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| - ^
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| help: consider changing this type parameter to a const parameter: `const K: u8`
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error[E0747]: type provided when a constant was expected
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--> $DIR/kind_mismatch.rs:11:21
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LL | impl<K> ContainsKey<K> for KeyHolder<K> {}
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| - ^
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| help: consider changing this type parameter to a const parameter: `const K: u8`
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error[E0277]: the trait bound `KeyHolder<0>: SubsetExcept<_>` is not satisfied
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--> $DIR/kind_mismatch.rs:22:45
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LL | let map: KeyHolder<0> = remove_key::<_, _>();
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| ^ the trait `ContainsKey<0>` is not implemented for `KeyHolder<0>`
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note: required for `KeyHolder<0>` to implement `SubsetExcept<_>`
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--> $DIR/kind_mismatch.rs:15:28
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LL | impl<P, T: ContainsKey<0>> SubsetExcept<P> for T {}
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| -------------- ^^^^^^^^^^^^^^^ ^
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| unsatisfied trait bound introduced here
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note: required by a bound in `remove_key`
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--> $DIR/kind_mismatch.rs:17:25
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LL | pub fn remove_key<K, S: SubsetExcept<K>>() -> S {
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| ^^^^^^^^^^^^^^^ required by this bound in `remove_key`
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error: aborting due to 3 previous errors
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Some errors have detailed explanations: E0277, E0747.
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For more information about an error, try `rustc --explain E0277`.
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