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`
```
38 lines
1.4 KiB
Plaintext
38 lines
1.4 KiB
Plaintext
error[E0277]: `&mut &mut &mut &mut Vec<i32>` is not an iterator
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--> $DIR/suggest-remove-refs-5.rs:4:14
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LL | for _ in &mut &mut v {}
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| ^^^^^^^^^^^ `&mut &mut &mut &mut Vec<i32>` is not an iterator
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= help: the trait `Iterator` is not implemented for `Vec<i32>`
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= note: required for `&mut Vec<i32>` to implement `Iterator`
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= note: 3 redundant requirements hidden
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= note: required for `&mut &mut &mut &mut Vec<i32>` to implement `Iterator`
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= note: required for `&mut &mut &mut &mut Vec<i32>` to implement `IntoIterator`
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help: consider removing 3 leading `&`-references
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LL ~ let v = &mut Vec::<i32>::new();
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LL ~ for _ in v {}
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error[E0277]: `&mut &mut &mut [u8; 1]` is not an iterator
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--> $DIR/suggest-remove-refs-5.rs:7:14
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LL | for _ in &mut v {}
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| ^^^^^^ `&mut &mut &mut [u8; 1]` is not an iterator
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= help: the trait `Iterator` is not implemented for `[u8; 1]`
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= note: required for `&mut [u8; 1]` to implement `Iterator`
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= note: 2 redundant requirements hidden
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= note: required for `&mut &mut &mut [u8; 1]` to implement `Iterator`
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= note: required for `&mut &mut &mut [u8; 1]` to implement `IntoIterator`
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help: consider removing 2 leading `&`-references
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LL ~ let v = &mut [1u8];
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LL ~ for _ in v {}
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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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