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fn main() {
let cell = once_cell::sync::OnceCell::<u32>::new();
cell.get_or_init(|| {
cell.get_or_init(|| 1);
2
});
}
/// Dummy test to make it seem hang when compiled as `--test`
#[test]
fn dummy_test() {
std::thread::sleep(std::time::Duration::from_secs(4));
}