refs #140 to demonstrate the new tuple framework, adapted five typical value classes to use it

src/blackmisc/mathvector3dbase.h

@@ -23,6 +23,8 @@ namespace BlackMisc
         template <class ImplVector> class CVector3DBase : public CValueObject
         {
         private:
+            BLACK_ENABLE_TUPLE_CONVERSION(CVector3DBase)
+
             /*!
              * \brief Easy access to derived class (CRTP template parameter)
              * \return
@@ -366,4 +368,6 @@ namespace BlackMisc
     } // namespace
 } // namespace
 
+BLACK_DECLARE_TUPLE_CONVERSION_TEMPLATE(BlackMisc::Math::CVector3DBase, (o.m_i, o.m_j, o.m_k))
+
 #endif // guard