rustlings/exercises/move_semantics/move_semantics2.rs

// move_semantics2.rs
// Make me compile without changing line 13 or moving line 10!
// Execute `rustlings hint move_semantics2` for hints :)

fn main() {
    let vec0 = &Vec::new();

    let mut vec1 = fill_vec(vec0);

    // Do not change the following line!
    println!("{} has length {} content `{:?}`", "vec0", vec0.len(), vec0);

    vec1.push(88);

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

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

    vec.push(22);
    vec.push(44);
    vec.push(66);

    return vec;
}