fn vektors() {
    /*
    let mut a= Vec::new();
    a.push(1);
    a.push(2);
    a.push(3);
    println!("{:?}",a);
    a.push(4);
    println!("{:?}",a);
    */

    let mut a =vec![1,2,3,4,6,1,1]; //[1;10]
    println!("{:?}",a);

    let index:usize=4;
    println!("a[4]={}",a[index]);

    match a.get(5) {
        Some(x)=> println!("a[5] = {}",x),
        None=>println!(" hata, değer yok"),
    }

    for x in &a {
        println!("{}",x);
    }
    a.push(55);
    println!("{:?}",a);

    a.push(99);
    a.push(100);
    a.push(40);
    let son_eleman= a.pop();
    println!(" son eleman :{:?} ve a vektörü: {:?}",son_eleman,a);

    //let Some(sonEleman)=a.pop();
    //println!("{}",sonEleman);

    while let Some(x)= a.pop() {
        println!("{}",x);

    }


}

fn main() {
    vektors();

}