rustproblem

rustproblem.md

fn main() {
  let adata = Data { number: 1, number2: 7};
  let mut t = Tester {data : None};
  // something

  t.set_data(adata);
  assert_eq!(t.data.unwrap().number, 1);
}

struct Tester {
  data: Option<Data>
}

impl Tester {
  fn set_data(mut self, bdata: Data) {
    self.data = Some(bdata)
  }
}

struct Data {
  number : i32,
  number2 : i32
}

shell

   Compiling mover v0.1.0 (file:///home/gorn/nextcloud/viptrader/rust/mover)
error[E0382]: use of moved value: `t.data`
 --> mover/src/main.rs:7:14
  |
6 |   t.set_data(adata);
  |   - value moved here
7 |   assert_eq!(t.data.unwrap().number, 1);
  |              ^^^^^^ value used here after move
  |
  = note: move occurs because `t` has type `Tester`, which does not implement the `Copy` trait