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error: generator cannot be sent between threads safely
--> $DIR/issue-57478.rs:13:17
|
LL | assert_send(|| {
| _________________^
LL | |
LL | | let guard = Foo;
LL | | drop(guard);
LL | | yield;
LL | | })
| |_____^ generator is not `Send`
|
= help: within `[generator@$DIR/issue-57478.rs:13:17: 13:19]`, the trait `Send` is not implemented for `Foo`
note: generator is not `Send` as this value is used across a yield
--> $DIR/issue-57478.rs:17:9
|
LL | let guard = Foo;
| ----- has type `Foo` which is not `Send`
LL | drop(guard);
LL | yield;
| ^^^^^ yield occurs here, with `guard` maybe used later
LL | })
| - `guard` is later dropped here
note: required by a bound in `assert_send`
--> $DIR/issue-57478.rs:21:19
|
LL | fn assert_send<T: Send>(_: T) {}
| ^^^^ required by this bound in `assert_send`
error: aborting due to previous error
|
