use std::slice::Iter;
use std::vec::Vec;

fn main() {
    let v: Vec<u8> = vec![1, 2, 3];

    let v_iter: Iter<u8> = v.iter();
    println!("{:#?}", v_iter);

    for val in v_iter {
        println!("Got with Iterator: {}", val);
    }
    println!("v count = {:#?}", v.iter().count());

    println!();
    for val in &v {
        println!("Got without Iterator: {}", val);
    }
    println!("v length = {:#?}", v.len());

    println!();
    let a: [i32; 3] = [0; 3];
    let a_iter = a.iter();
    for val in a_iter {
        println!("Got with Iterator: {}", val);
    }
    println!("a count = {:#?}", a.iter().count());

    println!();
    for val in &a {
        println!("Got without Iterator: {}", val);
    }
    println!("a length = {:#?}", v.len());
}