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`
```
41 lines
1.5 KiB
Plaintext
41 lines
1.5 KiB
Plaintext
error[E0277]: the trait bound `Box<{integer}>: Foo` is not satisfied
|
|
--> $DIR/kindck-inherited-copy-bound.rs:21:16
|
|
|
|
|
LL | take_param(&x);
|
|
| ---------- ^^ the trait `Copy` is not implemented for `Box<{integer}>`
|
|
| |
|
|
| required by a bound introduced by this call
|
|
|
|
|
note: required for `Box<{integer}>` to implement `Foo`
|
|
--> $DIR/kindck-inherited-copy-bound.rs:14:14
|
|
|
|
|
LL | impl<T:Copy> Foo for T {
|
|
| ---- ^^^ ^
|
|
| |
|
|
| unsatisfied trait bound introduced here
|
|
note: required by a bound in `take_param`
|
|
--> $DIR/kindck-inherited-copy-bound.rs:17:17
|
|
|
|
|
LL | fn take_param<T:Foo>(foo: &T) { }
|
|
| ^^^ required by this bound in `take_param`
|
|
|
|
error[E0038]: the trait `Foo` cannot be made into an object
|
|
--> $DIR/kindck-inherited-copy-bound.rs:28:13
|
|
|
|
|
LL | let z = &x as &dyn Foo;
|
|
| ^^ `Foo` cannot be made into an object
|
|
|
|
|
note: for a trait to be "dyn-compatible" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
|
|
--> $DIR/kindck-inherited-copy-bound.rs:10:13
|
|
|
|
|
LL | trait Foo : Copy {
|
|
| --- ^^^^ ...because it requires `Self: Sized`
|
|
| |
|
|
| this trait cannot be made into an object...
|
|
= note: required for the cast from `&Box<i32>` to `&dyn Foo`
|
|
|
|
error: aborting due to 2 previous errors
|
|
|
|
Some errors have detailed explanations: E0038, E0277.
|
|
For more information about an error, try `rustc --explain E0038`.
|