diff --git a/libluna/include/luna/Option.h b/libluna/include/luna/Option.h
index 20c2a9cb..720dff4b 100644
--- a/libluna/include/luna/Option.h
+++ b/libluna/include/luna/Option.h
@@ -94,6 +94,12 @@ template <typename T> class Option
         return other;
     }
 
+    T value_or(T&& other) const
+    {
+        if (has_value()) return m_storage.fetch_reference();
+        return move(other);
+    }
+
     bool try_set_value(T& ref) const
     {
         if (!has_value()) return false;
diff --git a/libluna/include/luna/Result.h b/libluna/include/luna/Result.h
index a902dd0b..823a1ddf 100644
--- a/libluna/include/luna/Result.h
+++ b/libluna/include/luna/Result.h
@@ -106,6 +106,11 @@ template <typename T> class Result
         return m_value.value_or(other);
     }
 
+    T value_or(T&& other) const
+    {
+        return m_value.value_or(move(other));
+    }
+
     bool try_set_value(T& ref) const
     {
         return m_value.try_set_value(ref);