xo-expression2: + IGCObject_DUniqueString + facet/type registration

src/expression2/expression2_register_facets.cpp

@@ -1,11 +1,31 @@
 /** @file expression2_register_facets.cpp
-*
+ *
  *  @author Roland Conybeare, Jan 2026
  **/
 
+#include "expression2_register_facets.hpp"
+
+#include <xo/expression2/detail/IGCObject_DUniqueString.hpp>
+
+#include <xo/gc/detail/AGCObject.hpp>
+#include <xo/facet/FacetRegistry.hpp>
+#include <xo/indentlog/scope.hpp>
+
 namespace xo {
+    using xo::mm::AGCObject;
+    using xo::facet::FacetRegistry;
+
     namespace scm {
-    }
-} /*namesapce xo*/
+        bool
+        expression2_register_facets()
+        {
+            scope log(XO_DEBUG(true));
+
+            FacetRegistry::register_impl<AGCObject, DUniqueString>();
+
+            return true;
+        }
+    } /*namespace scm*/
+} /*namespace xo*/
 
 /* end expression2_register_facets.cpp */