diff options
Diffstat (limited to 'src/test/ui/generator/not-send-sync.stderr')
| -rw-r--r-- | src/test/ui/generator/not-send-sync.stderr | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/test/ui/generator/not-send-sync.stderr b/src/test/ui/generator/not-send-sync.stderr new file mode 100644 index 000000000..0b31bb4fd --- /dev/null +++ b/src/test/ui/generator/not-send-sync.stderr @@ -0,0 +1,44 @@ +error[E0277]: `Cell<i32>` cannot be shared between threads safely + --> $DIR/not-send-sync.rs:16:5 + | +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's used within this generator + --> $DIR/not-send-sync.rs:16:17 + | +LL | assert_send(|| { + | ^^ +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 + --> $DIR/not-send-sync.rs:9:5 + | +LL | assert_sync(|| { + | ^^^^^^^^^^^ generator is not `Sync` + | + = help: within `[generator@$DIR/not-send-sync.rs:9:17: 9:19]`, the trait `Sync` is not implemented for `Cell<i32>` +note: generator is not `Sync` as this value is used across a yield + --> $DIR/not-send-sync.rs:12:9 + | +LL | let a = Cell::new(2); + | - has type `Cell<i32>` which is not `Sync` +LL | yield; + | ^^^^^ 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 + +For more information about this error, try `rustc --explain E0277`. |