fn main() -> std::io::Result<()> {
    loop {
        let file = "file.bin";

        let mut oo = std::fs::OpenOptions::new();
        oo.write(true);
        oo.create(true);
        let wf = oo.open(file);
        drop(wf);
        std::fs::remove_file(file)?;

        let content = std::fs::read_dir(".")?;
        let mut deleted = true;

        for item in content {
            let entry = item?.path();
            let entry = entry.components().last().expect("no path component");

            if entry.as_os_str() == file {
                deleted = false;
            }
        }

        println!("{}", deleted);

        if !deleted {
            println!("Directory entry still visible!");
            break;
        }
    }

    return Ok(())
}