mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-19 03:54:40 +00:00
6efddac288
Expand the primary span of E0277 when the immediate unmet bound is not what the user wrote:
```
error[E0277]: the trait bound `i32: Bar` is not satisfied
--> f100.rs:6:6
|
6 | <i32 as Foo>::foo();
| ^^^ the trait `Bar` is not implemented for `i32`, which is required by `i32: Foo`
|
help: this trait has no implementations, consider adding one
--> f100.rs:2:1
|
2 | trait Bar {}
| ^^^^^^^^^
note: required for `i32` to implement `Foo`
--> f100.rs:3:14
|
3 | impl<T: Bar> Foo for T {}
| --- ^^^ ^
| |
| unsatisfied trait bound introduced here
```
Fix #40120.
20 lines
806 B
Plaintext
20 lines
806 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>>`, which is required by `B: Send`
|
|
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`.
|