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//@ run-pass
//@ pretty-expanded FIXME #23616
use std::sync;
fn assert_both<T: Sync + Send>() {}
fn main() {
assert_both::<sync::Mutex<()>>();
assert_both::<sync::Condvar>();
assert_both::<sync::RwLock<()>>();
assert_both::<sync::Barrier>();
assert_both::<sync::Arc<()>>();
assert_both::<sync::Weak<()>>();
assert_both::<sync::Once>();
}
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