Data that expires on scene close. (Unity)

SceneData.cs

using UnityEngine;
using System.Collections.Generic;

// Data that expires on scene close.
// Pretty much a hack, there must be a better way!
class SceneData<T> where T : class
{
    GameObject go;
    T data;

    public T Value
    {
        get
        {
            return go == null ? null : data;
        }
        set
        {
            if(go == null)
            {
                go = new GameObject("SceneDataDummy");
                go.hideFlags = HideFlags.HideInHierarchy;
            }
            data = value;
        }
    }
}