create reference to template virtual class c++ -


i have such class

template<typename t>     class connectionstatus:     {     public:          virtual void setstatus(const t& status) = 0;         virtual t getstatus() = 0;     };

and want have reference class in class, this: connectionstatus<typename t>& status; compiler said error: template argument 1 invalid. how can make refernce template virtual class? thank help.

there 2 main possibilities: when know template argument should class , when don't.

for former, it's simple case of providing (say it's int in case):

struct myclass {     connectionstatus<int> &m_connection_status; };

if don't know argument, make class template class:

template <typename connectionstatustype> struct myclass {     connectionstatus<connectionstatustype> &m_connection_status; };

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