using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

public class ILSingleton<T> where T : class, new()
{

    private static T m_Instance;
    public static T Instance {
        get {
            if (m_Instance == null)
            {
                m_Instance = new T();
            }
            return m_Instance;
        }
    }

    ~ILSingleton()
    {
        m_Instance = null;
    }
}