register component accessors in value component

alib2common/src/core/components.hpp

@@ -147,9 +147,17 @@ public:
 	}
 	static void registerComponent ( ) {
-		std::array < std::string, 0 > names;
-		ComponentType & ( Derived::* method ) ( ) = & Component < Derived, ComponentType, component::Value, ComponentName >::get;
-		abstraction::AlgorithmRegistry::registerMethod < ComponentName > ( method, "get", names );
+		std::array < std::string, 0 > emptyNames;
+		std::array < std::string, 1 > elementNames = { { "element" } };
+
+		ComponentType & ( Derived::* getMethod ) ( ) = & Component < Derived, ComponentType, component::Value, ComponentName >::get;
+		abstraction::AlgorithmRegistry::registerMethod < ComponentName > ( getMethod, "get", emptyNames );
+
+		const ComponentType & ( Derived::* constGetMethod ) ( ) const = & Component < Derived, ComponentType, component::Value, ComponentName >::get;
+		abstraction::AlgorithmRegistry::registerMethod < ComponentName > ( constGetMethod, "get", emptyNames );
+
+		bool ( Derived::* setMethod ) ( ComponentType ) = & Component < Derived, ComponentType, component::Value, ComponentName >::set;
+		abstraction::AlgorithmRegistry::registerMethod < ComponentName > ( setMethod, "set", elementNames );
 	}
 };