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

src/alloc2/ICollector_Any.cpp

@@ -0,0 +1,39 @@
+/** @file ICollector_Any.cpp
+ *
+ *  @author Roland Conybeare, Dec 2025
+ **/
+
+#include "ICollector_Any.hpp"
+#include <iostream>
+
+namespace xo {
+    using xo::facet::DVariantPlaceholder;
+    using xo::facet::typeseq;
+    using xo::facet::valid_facet_implementation;
+
+    namespace mm {
+
+        void
+        ICollector_Any::_fatal() {
+            /* control here on uninitialized ICollector_Any.
+             * Initialized instance will have specific implementation type
+             * e.g. ICollector_Xfer<DCollector>
+             */
+
+            std::cerr << "fatal"
+                      << ": attempt to call uninitialized"
+                      << " ICollector_Any method"
+                      << std::endl;
+            std::terminate();
+        }
+
+        int32_t
+        ICollector_Any::s_typeseq = typeseq::id<DVariantPlaceholder>();
+
+        bool
+        ICollector_Any::_valid = valid_facet_implementation<ACollector, ICollector_Any>();
+
+    } /*namespace mm*/
+} /*namespace xo*/
+
+/** end ICollector_Any.cpp */