xo-alloc / xo-object: utest coverage + assorted bugfixes

src/alloc/generation.cpp

@@ -0,0 +1,22 @@
+/* generation.cpp
+ *
+ * author: Roland Conybeare, Aug 2025
+ */
+
+#include "generation.hpp"
+
+namespace xo {
+    namespace gc {
+        const char * gen2str(generation x) {
+            switch (x) {
+            case generation::nursery: return "nursery";
+            case generation::tenured: return "tenured";
+            case generation::N: break;
+            }
+            return "?generation";
+        }
+
+    } /*namespace gc*/
+} /*namespace xo*/
+
+/* generation.cpp */