15 lines
775 B
Plaintext
15 lines
775 B
Plaintext
error[E0277]: `std::rc::Rc<std::cell::RefCell<A>>` cannot be sent between threads safely
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--> $DIR/issue-7013.rs:36:19
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LL | let a = A {v: box B{v: None} as Box<Foo+Send>};
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| ^^^^^^^^^^^^^^ `std::rc::Rc<std::cell::RefCell<A>>` cannot be sent between threads safely
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= help: within `B`, the trait `std::marker::Send` is not implemented for `std::rc::Rc<std::cell::RefCell<A>>`
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= note: required because it appears within the type `std::option::Option<std::rc::Rc<std::cell::RefCell<A>>>`
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= note: required because it appears within the type `B`
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= note: required for the cast to the object type `dyn Foo + std::marker::Send`
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error: aborting due to previous error
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For more information about this error, try `rustc --explain E0277`.
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