error[E0277]: `Cell<i32>` cannot be shared between threads safely
--> $DIR/not-send-sync.rs:16:5
|
-LL | fn assert_send<T: Send>(_: T) {}
- | ---- required by this bound in `assert_send`
-...
LL | assert_send(|| {
| ^^^^^^^^^^^ `Cell<i32>` cannot be shared between threads safely
|
= help: the trait `Sync` is not implemented for `Cell<i32>`
= note: required because of the requirements on the impl of `Send` for `&Cell<i32>`
- = note: required because it appears within the type `[generator@$DIR/not-send-sync.rs:16:17: 20:6]`
+note: required because it's used within this generator
+ --> $DIR/not-send-sync.rs:16:17
+ |
+LL | assert_send(|| {
+ | _________________^
+LL | |
+LL | | drop(&a);
+LL | | yield;
+LL | | });
+ | |_____^
+note: required by a bound in `assert_send`
+ --> $DIR/not-send-sync.rs:7:23
+ |
+LL | fn assert_send<T: Send>(_: T) {}
+ | ^^^^ required by this bound in `assert_send`
error: generator cannot be shared between threads safely
--> $DIR/not-send-sync.rs:9:5
|
-LL | fn assert_sync<T: Sync>(_: T) {}
- | ---- required by this bound in `assert_sync`
-...
LL | assert_sync(|| {
| ^^^^^^^^^^^ generator is not `Sync`
|
| ^^^^^ yield occurs here, with `a` maybe used later
LL | });
| - `a` is later dropped here
+note: required by a bound in `assert_sync`
+ --> $DIR/not-send-sync.rs:6:23
+ |
+LL | fn assert_sync<T: Sync>(_: T) {}
+ | ^^^^ required by this bound in `assert_sync`
error: aborting due to 2 previous errors