mirror of https://github.com/rust-lang/rust
19 lines
688 B
Plaintext
19 lines
688 B
Plaintext
error: future cannot be sent between threads safely
|
|
--> $DIR/issue-70818.rs:4:38
|
|
|
|
|
LL | fn foo<T: Send, U>(ty: T, ty1: U) -> impl Future<Output = (T, U)> + Send {
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ future created by async block is not `Send`
|
|
|
|
|
note: captured value is not `Send`
|
|
--> $DIR/issue-70818.rs:6:18
|
|
|
|
|
LL | async { (ty, ty1) }
|
|
| ^^^ has type `U` which is not `Send`
|
|
help: consider restricting type parameter `U`
|
|
|
|
|
LL | fn foo<T: Send, U: std::marker::Send>(ty: T, ty1: U) -> impl Future<Output = (T, U)> + Send {
|
|
| +++++++++++++++++++
|
|
|
|
error: aborting due to 1 previous error
|
|
|