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`
```
39 lines
1.9 KiB
Plaintext
39 lines
1.9 KiB
Plaintext
error[E0277]: the trait bound `String: Copy` is not satisfied
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--> $DIR/const-fn-in-vec.rs:1:47
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LL | static _MAYBE_STRINGS: [Option<String>; 5] = [None; 5];
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| ^^^^
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| the trait `Copy` is not implemented for `String`
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| help: create an inline `const` block: `const { None }`
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= note: required for `Option<String>` to implement `Copy`
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= note: the `Copy` trait is required because this value will be copied for each element of the array
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error[E0277]: the trait bound `String: Copy` is not satisfied
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--> $DIR/const-fn-in-vec.rs:7:34
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LL | let _strings: [String; 5] = [String::new(); 5];
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| ^^^^^^^^^^^^^
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| the trait `Copy` is not implemented for `String`
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| help: create an inline `const` block: `const { String::new() }`
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= note: the `Copy` trait is required because this value will be copied for each element of the array
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error[E0277]: the trait bound `String: Copy` is not satisfied
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--> $DIR/const-fn-in-vec.rs:9:48
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LL | let _maybe_strings: [Option<String>; 5] = [None; 5];
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| ^^^^
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| the trait `Copy` is not implemented for `String`
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| help: create an inline `const` block: `const { None }`
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= note: required for `Option<String>` to implement `Copy`
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= note: the `Copy` trait is required because this value will be copied for each element of the array
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error: aborting due to 3 previous errors
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For more information about this error, try `rustc --explain E0277`.
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