ref return

struct Vector2 {
  float x;
  float y;

  public Vector2(float x, float y) { this.x = x; this.y = y; }
}

class Example {
  static void Main() {
    Vector2[] arr = new Vector2[] { new Vector2(0,0), new Vector2(1,1) }
    List<Vector2> list = new List<Vector2>();
    list.Add(new Vector2(0,0));
    list.Add(new Vector2(1,1));

    arr[0].x = 1;  // works?
    list[0].x = 1; // would work if list[] could return reference to element
  }
}