xo-alloc2 xo-object: bugfix + refactor -> IGCObject_DList builds

include/xo/alloc2/RGCObject.hpp

@@ -0,0 +1,47 @@
+/** @file RGCObject.hpp
+ *
+ *  @author Roland Conybeare, Dec 2025
+ **/
+
+#pragma once
+
+#include "AGCObject.hpp"
+#include <xo/facet/RRouter.hpp>
+
+namespace xo {
+    namespace mm {
+        /** @class RGCObject **/
+        template <typename Object>
+        struct RGCObject : public Object {
+        private:
+            using O = Object;
+        public:
+            using ObjectType = Object;
+            using DataPtr = Object::DataPtr;
+            using size_type = std::size_t;
+
+            RGCObject() = default;
+            RGCObject(Object::DataPtr data) : Object{std::move(data)} {}
+
+            int32_t _typeseq() const noexcept { return O::iface()->_typeseq(); }
+            size_type shallow_size() const noexcept { O::iface()->shallow_size(O::data()); }
+            Opaque * shallow_copy(obj<AAllocator> mm) const noexcept { O::iface()->shallow_copy(O::data(), mm); }
+            size_type forward_children() noexcept { O::iface()->forward_children(O::data()); }
+
+            static bool _valid;
+        };
+
+        template <typename Object>
+        bool
+        RGCObject<Object>::_valid = facet::valid_object_router<RGCObject>();
+    } /*namespace mm*/
+
+    namespace facet {
+        template <typename Object>
+        struct RoutingFor<xo::mm::AGCObject, Object> {
+            using RoutingType = xo::mm::RGCObject<Object>;
+        };
+    }
+} /*namespace xo*/
+
+/* end RGCObject.hpp */