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error[E0277]: `Cell<i32>` cannot be shared between threads safely
--> $DIR/mutexguard-sync.rs:11:15
|
LL | test_sync(guard);
| --------- ^^^^^ `Cell<i32>` cannot be shared between threads safely
| |
| required by a bound introduced by this call
|
= help: the trait `Sync` is not implemented for `Cell<i32>`, which is required by `MutexGuard<'_, Cell<i32>>: Sync`
= note: if you want to do aliasing and mutation between multiple threads, use `std::sync::RwLock` or `std::sync::atomic::AtomicI32` instead
= note: required for `MutexGuard<'_, Cell<i32>>` to implement `Sync`
note: required by a bound in `test_sync`
--> $DIR/mutexguard-sync.rs:5:17
|
LL | fn test_sync<T: Sync>(_t: T) {}
| ^^^^ required by this bound in `test_sync`
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0277`.
|
