xo-alloc2: bugfix for DX1CollectorIterator

src/alloc2/cmpresult.cpp

@@ -0,0 +1,36 @@
+/** @file cmpresult.cpp
+ *
+ *  @author Roland Conybeare, Dec 2025
+ **/
+
+#include "cmpresult.hpp"
+#include <xo/indentlog/print/tag.hpp>
+#include <iostream>
+
+namespace xo {
+    namespace mm {
+        const char *
+        comparison2str(comparison x)
+        {
+            switch (x) {
+            case comparison::invalid:
+                return "?comparison";
+            case comparison::comparable:
+                return "cmp";
+            case comparison::incomparable:
+                return "!cmp";
+            }
+        }
+
+        void
+        cmpresult::display(std::ostream & os) const
+        {
+            os << "<cmpresult "
+               << xtag("err", err_)
+               << xtag("cmp", cmp_)
+               << ">";
+        }
+    } /*namespace mm*/
+} /*namespace xo*/
+
+/* end cmpresult.cpp */