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 vec0 = Vec::new();

    //let mut vec1 = fill_vec(vec0);
    //let mut vec1 = fill_vec(vec0.clone());
    //let mut vec1 = fill_vec(&vec0);
    fill_vec(&mut vec0);

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

    //vec1.push(88);
    vec0.push(88);

    //println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
    println!("{} has length {} content `{:?}`", "vec0", vec0.len(), vec0);
}

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

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

//     vec
// }

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

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

//     vec
// }

fn fill_vec(vec: &mut Vec<i32>) -> () {
    vec.push(22);
    vec.push(44);
    vec.push(66);

    ()
}