Singleton.h

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#pragma once
 
namespace REX
{
    template <class T>
    class Singleton
    {
    public:
        static T* GetSingleton()
        {
            static T singleton;
            return std::addressof(singleton);
        }
 
    protected:
        Singleton() = default;
        ~Singleton() = default;
 
        Singleton(const Singleton&) = delete;
        Singleton(Singleton&&) = delete;
 
        Singleton& operator=(const Singleton&) = delete;
        Singleton& operator=(Singleton&&) = delete;
    };
}