mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-22 14:55:26 +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`
```
20 lines
774 B
Plaintext
20 lines
774 B
Plaintext
error[E0277]: `Rc<RefCell<A>>` cannot be sent between threads safely
|
|
--> $DIR/issue-7013.rs:24:19
|
|
|
|
|
LL | let a = A {v: Box::new(B{v: None}) as Box<dyn Foo + Send>};
|
|
| ^^^^^^^^^^^^^^^^^^^^ `Rc<RefCell<A>>` cannot be sent between threads safely
|
|
|
|
|
= help: within `B`, the trait `Send` is not implemented for `Rc<RefCell<A>>`
|
|
note: required because it appears within the type `Option<Rc<RefCell<A>>>`
|
|
--> $SRC_DIR/core/src/option.rs:LL:COL
|
|
note: required because it appears within the type `B`
|
|
--> $DIR/issue-7013.rs:8:8
|
|
|
|
|
LL | struct B {
|
|
| ^
|
|
= note: required for the cast from `Box<B>` to `Box<dyn Foo + Send>`
|
|
|
|
error: aborting due to 1 previous error
|
|
|
|
For more information about this error, try `rustc --explain E0277`.
|