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use parking_lot::RwLock;
use std::thread;
struct Bar(RwLock<()>);
impl Drop for Bar {
fn drop(&mut self) {
let _n = self.0.write();
}
}
thread_local! {
static B: Bar = Bar(RwLock::new(()));
}
#[test]
fn main() {
thread::spawn(|| {
B.with(|_| ());
let a = RwLock::new(());
let _a = a.read();
})
.join()
.unwrap();
}