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` | |
/// See https://github.com/matklad/once_cell/issues/79 | |
#[test] | |
fn dummy_test() { | |
std::thread::sleep(std::time::Duration::from_secs(4)); | |
} |