fn ownership() {
    let v=vec![1,2,3,4];
    //let v2=v;
    //let foo= |v:Vec<i32>|();
    //foo(v);
    //println!("{:?}",v);
    let mut a=Box::new(2);
    let mut b=a;
    //println!("a={}",a);
    println!("b={}",b);

    let print_vektor=|x:Vec<i32>|->Vec<i32>
        {
            println!("{:?}",x);
            x
        };
    let vv=print_vektor(v);
    println!("{}",vv[0]);
    //println!("{}",v[0]);
}

fn main() {
    ownership();
}