use anyhow::Result;

fn main() -> Result<()> {
    let v = vec![1, 2, 3];
    let p = &v;
    let raw_p = p as *const Vec<i32>;
    println!("{:?} ptr {:?}", p, raw_p);

    let box_p = Box::new(raw_p);
    let raw_box = &box_p as *const Box<_>;
    println!("{:?} ptr {:?}", box_p, raw_box);

    Ok(())
}