mirror of https://github.com/rust-lang/rust.git
61 lines
1.9 KiB
Plaintext
61 lines
1.9 KiB
Plaintext
error: generator cannot be shared between threads safely
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--> $DIR/not-send-sync.rs:17:17
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LL | assert_sync(|| {
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| _________________^
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LL | |
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LL | | let a = NotSync;
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LL | | yield;
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LL | | drop(a);
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LL | | });
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| |_____^ generator is not `Sync`
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= help: within `[generator@$DIR/not-send-sync.rs:17:17: 17:19]`, the trait `Sync` is not implemented for `NotSync`
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note: generator is not `Sync` as this value is used across a yield
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--> $DIR/not-send-sync.rs:20:9
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LL | let a = NotSync;
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| - has type `NotSync` which is not `Sync`
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LL | yield;
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| ^^^^^ yield occurs here, with `a` maybe used later
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LL | drop(a);
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LL | });
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| - `a` is later dropped here
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note: required by a bound in `assert_sync`
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--> $DIR/not-send-sync.rs:14:23
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LL | fn assert_sync<T: Sync>(_: T) {}
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| ^^^^ required by this bound in `assert_sync`
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error: generator cannot be sent between threads safely
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--> $DIR/not-send-sync.rs:24:17
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LL | assert_send(|| {
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| _________________^
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LL | |
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LL | | let a = NotSend;
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LL | | yield;
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LL | | drop(a);
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LL | | });
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| |_____^ generator is not `Send`
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= help: within `[generator@$DIR/not-send-sync.rs:24:17: 24:19]`, the trait `Send` is not implemented for `NotSend`
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note: generator is not `Send` as this value is used across a yield
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--> $DIR/not-send-sync.rs:27:9
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LL | let a = NotSend;
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| - has type `NotSend` which is not `Send`
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LL | yield;
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| ^^^^^ yield occurs here, with `a` maybe used later
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LL | drop(a);
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LL | });
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| - `a` is later dropped here
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note: required by a bound in `assert_send`
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--> $DIR/not-send-sync.rs:15:23
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LL | fn assert_send<T: Send>(_: T) {}
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| ^^^^ required by this bound in `assert_send`
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error: aborting due to 2 previous errors
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