use std::fmt::Debug;

//consume x
fn consume_print_return<T>(x: T) -> T
where
    for<'a> &'a T: IntoIterator,
    for<'a> <&'a T as IntoIterator>::Item: Debug,
{
    //print x
    for item in &x {
        println!("{:?}", item);
    }

    //return x
    x
}

fn main() {
    consume_print_return(vec![1, 2]);
}