rustlings/move_semantics/move_semantics1.rs

// move_semantics1.rs
// Make me compile! Scroll down for hints :)

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

    let vec1 = fill_vec(vec0);

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

    vec1.push(88);

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

}

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

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

    vec
}















// So you've got the "cannot borrow immutable local variable `vec1` as mutable" error on line 10,
// right? The fix for this is going to be adding one keyword, and the addition is NOT on line 10
// where the error is.