Rust Array & Vector Iteration

main.rs

fn main() {
    let v = vec![1, 2, 3, 4, 5];
    for u in v {
        println!("{}", u);
    }

    let a = [1, 2, 3, 4, 5];
    for u in 1..a.len() {
        println!("{}", u);
    }

    let a = ['a', 'b', 'c', 'd', 'e'];
    for u in a.iter() {
        println!("{}", u);
    }

    let a = [100, 101, 102, 103, 104];
    for (i, j) in a.iter().enumerate() {
        println!("Index:{} Value:{}", i, j);
    }
}