19 lines
742 B
Plaintext
19 lines
742 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>>>`
|
|
note: required because it appears within the type `B`
|
|
--> $DIR/issue-7013.rs:8:8
|
|
|
|
|
LL | struct B {
|
|
| ^
|
|
= note: required for the cast from `B` to the object type `dyn Foo + Send`
|
|
|
|
error: aborting due to previous error
|
|
|
|
For more information about this error, try `rustc --explain E0277`.
|