mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-02 03:33:59 +00:00
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
|
LL | static FOO: IsCopy<Option<NotCopy>> = IsCopy { t: None };
| ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `NotCopy`
|
= note: required for `Option<NotCopy>` to implement `Copy`
note: required by a bound in `IsCopy`
--> $DIR/wf-static-type.rs:7:17
|
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
|
LL | static FOO: IsCopy<Option<NotCopy>> = IsCopy { t: None };
| ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `NotCopy`, which is required by `Option<NotCopy>: Copy`
|
= note: required for `Option<NotCopy>` to implement `Copy`
note: required by a bound in `IsCopy`
--> $DIR/wf-static-type.rs:7:17
|
LL | struct IsCopy<T:Copy> { t: T }
| ^^^^ required by this bound in `IsCopy`
```
18 lines
699 B
Plaintext
18 lines
699 B
Plaintext
error[E0277]: the size for values of type `[isize]` cannot be known at compilation time
|
|
--> $DIR/dst-bad-deep.rs:13:34
|
|
|
|
|
LL | let h: &Fat<Fat<[isize]>> = &Fat { ptr: *g };
|
|
| ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
|
|
|
|
|
= help: within `Fat<Fat<[isize]>>`, the trait `Sized` is not implemented for `[isize]`
|
|
note: required because it appears within the type `Fat<[isize]>`
|
|
--> $DIR/dst-bad-deep.rs:6:8
|
|
|
|
|
LL | struct Fat<T: ?Sized> {
|
|
| ^^^
|
|
= note: structs must have a statically known size to be initialized
|
|
|
|
error: aborting due to 1 previous error
|
|
|
|
For more information about this error, try `rustc --explain E0277`.
|