// move_semantics1.rs // Execute `rustlings hint move_semantics1` or use the `hint` watch subcommand for a hint. fn main() { let mut vec0 = Vec::new(); let vec1 = fill_vec(&mut vec0); println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1); vec1.push(88); println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1); } fn fill_vec(vec: &mut Vec) -> &mut Vec { vec.push(22); vec.push(44); vec.push(66); vec }