diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 90d9ff2..5a2b1a4 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 # Codeowners for reviews on PRs
 
-*  @bretbrownjr @camio @dietmarkuehl @neatudarius @steve-downey
+*  @bretbrownjr @camio @dietmarkuehl @neatudarius @steve-downey                     
+
diff --git a/include/beman/exemplar/identity.hpp b/include/beman/exemplar/identity.hpp
index 9463125..ecb3943 100644
--- a/include/beman/exemplar/identity.hpp
+++ b/include/beman/exemplar/identity.hpp
@@ -30,7 +30,15 @@ struct __is_transparent; // not defined
 struct identity {
     // Returns `t`.
     template <class T>
-    constexpr T&& operator()(T&& t) const noexcept {
+#if defined(__cpp_constexpr)
+    constexpr
+#endif
+        T&&
+        operator()(T&& t) const noexcept {
+        int 
+            size
+        =
+            0;
         return std::forward<T>(t);
     }