gistfile1.txt

using System;
using System.Collections;


public class SingletonBase<T> where T : SingletonBase<T>{
}
    
public class MyChildSingletonA : SingletonBase<MyChildSingletonA> {
    
}
    
public class MyChildSingletonB : SingletonBase<MyChildSingletonB> {
    
}


public class TomQ {
    public SingletonBase a;
}