static mut my_list: Option<Vec<String>> = None;

unsafe fn init() {
    my_list = Some(vec![]);
    my_list.as_mut().unwrap().push("item0".to_string());
    my_list.as_mut().unwrap().push("item0".to_string());
}

fn main() {
    println!("Hello, world!");
    unsafe {

        init();
        read();
    };

}

unsafe fn read() {
    println!("{:?}", my_list);
}