USB_UVC_DETECT/LogRecorder/CSingletonBase.h

#pragma once
#include <type_traits>

template <typename T>
class CSingletonBase
{
public:
    static T &get_instance() noexcept(std::is_nothrow_constructible<T>::value)
    {
        static T instance;
        return instance;
    }
    virtual ~CSingletonBase() noexcept
    {
    }
    CSingletonBase(const CSingletonBase &) = delete;
    CSingletonBase &operator=(const CSingletonBase &) = delete;

protected:
    CSingletonBase()
    {
    }
};