rustlings/exercises/move_semantics/move_semantics2.rs

// move_semantics2.rs
//
// Make the test pass by finding a way to keep both Vecs separate!
//
// Execute `rustlings hint move_semantics2` or use the `hint` watch subcommand
// for a hint.

#[test]
fn main() {
    let vec0 = vec![22, 44, 66];

    println!("{} has length {}, with contents: `{:?}`", "vec0", vec0.len(), &vec0);

    let mut vec1 = fill_vec(&vec0);
    vec1.push(88);

    println!("{} has length {}, with contents `{:?}`", "vec1", vec1.len(), vec1);

    assert_eq!(vec0, vec![22, 44, 66]);
    assert_eq!(vec1, vec![22, 44, 66, 88]);
}

fn fill_vec(vec: &Vec<i32>) -> Vec<i32> {
    let mut vec = vec.clone();

    // vec.push(88);

    vec
}