// Make me compile without adding new lines -- just changing existing lines! (no
// lines with multiple semicolons necessary!)

fn fill_vec(vec: Vec<i32>) -> Vec<i32> {
    vec.push(88);

    vec
}

fn main() {
    // You can optionally experiment here.
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn move_semantics3() {
        let vec0 = vec![22, 44, 66];

        let vec1 = fill_vec(vec0);

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