...

net/adc_netserver.h

@@ -130,32 +130,10 @@ protected:
         }
     }
 
-    virtual void daemonizePrepare()
-    {
-        //
-        _impl.daemonizePrepare();
-    };
+    virtual void daemonizePrepare() = 0;
 
-    virtual void daemonizeFinalize()
-    {
-        //
-        _impl.daemonizeFinalize();
-    };
+    virtual void daemonizeFinalize() = 0;
 };
 
 
-namespace traits
-{
-
-// network server concept
-template <typename T>
-concept adc_netserver_c = requires {
-    typename T::server_impl_t;
-    std::derived_from<T, AdcNetServer<typename T::server_impl_t>>;
-};
-
-}  // namespace traits
-
-
-
 }  // namespace adc