28 lines
587 B
Rust
28 lines
587 B
Rust
#![feature(coroutines, stmt_expr_attributes)]
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#![feature(negative_impls)]
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struct NotSend;
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struct NotSync;
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impl !Send for NotSend {}
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impl !Sync for NotSync {}
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fn main() {
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fn assert_sync<T: Sync>(_: T) {}
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fn assert_send<T: Send>(_: T) {}
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assert_sync(#[coroutine] || {
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//~^ ERROR: coroutine cannot be shared between threads safely
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let a = NotSync;
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yield;
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drop(a);
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});
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assert_send(#[coroutine] || {
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//~^ ERROR: coroutine cannot be sent between threads safely
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let a = NotSend;
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yield;
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drop(a);
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});
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}
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