43 lines
981 B
Rust
43 lines
981 B
Rust
// compile-flags: -Zdrop-tracking
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#![feature(negative_impls, generators)]
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struct Foo;
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impl !Send for Foo {}
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struct Bar {
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foo: Foo,
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x: i32,
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}
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fn main() {
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assert_send(|| {
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//~^ ERROR generator cannot be sent between threads safely
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// FIXME: it would be nice to make this work.
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let guard = Bar { foo: Foo, x: 42 };
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drop(guard.foo);
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yield;
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});
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assert_send(|| {
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//~^ ERROR generator cannot be sent between threads safely
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// FIXME: it would be nice to make this work.
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let guard = Bar { foo: Foo, x: 42 };
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drop(guard);
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guard.foo = Foo;
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guard.x = 23;
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yield;
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});
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assert_send(|| {
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//~^ ERROR generator cannot be sent between threads safely
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// FIXME: it would be nice to make this work.
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let guard = Bar { foo: Foo, x: 42 };
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let Bar { foo, x } = guard;
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drop(foo);
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yield;
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});
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}
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fn assert_send<T: Send>(_: T) {}
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