1 files changed, 14 insertions, 0 deletions
diff --git a/common/altraits.h b/common/altraits.h
new file mode 100644
index 00000000..7ce0422e
--- /dev/null
+++ b/common/altraits.h
@@ -0,0 +1,14 @@
+#ifndef COMMON_ALTRAITS_H
+#define COMMON_ALTRAITS_H
+
+namespace al {
+
+template<typename T>
+struct type_identity { using type = T; };
+
+template<typename T>
+using type_identity_t = typename type_identity<T>::type;
+
+} // namespace al
+
+#endif /* COMMON_ALTRAITS_H */