C ++公共继承和成员可见性

Question

方法return m_ctx;中{strong} {1}} TcpClient.cpp 中的

错误：使用未声明的标识符＆＃39; m_ctx＆＃ 39;

Initable.h

getConnection

TcpClient.h

#ifndef __L2P__Initable__
#define __L2P__Initable__

#include <iostream>

namespace l2 {

    namespace utils {

        template <typename CTX>
        class Initable {
        protected:
            CTX m_ctx;
        public:
            void init(CTX ctx);
        };

    }
}


#endif /* defined(__L2P__Creatable__) */

TcpClient.cpp

#ifndef __L2P__TcpClient__
#define __L2P__TcpClient__

#include <iostream>
#include "../utils/Initable.h"
#include "TcpConnection.h"

namespace l2 {

    namespace net {

        template <typename CONN>
        class TcpClient : public utils::Initable<CONN *> {
        public:
            CONN * getConnection();
            virtual void init(CONN * ctx);
        };

    }
}


#endif /* defined(__L2P__TcpClient__) */