From 3805cb7aa703525c545eb455492c4cecb396ac03 Mon Sep 17 00:00:00 2001
From: tigran2008 <tigrankhachatryan2008@gmail.com>
Date: Mon, 10 Jun 2024 18:31:10 +0400
Subject: [PATCH] etl/type_traits.h: Add support for type_identity

---
 include/etl/generators/type_traits_generator.h | 11 +++++++++++
 include/etl/type_traits.h                      | 11 +++++++++++
 2 files changed, 22 insertions(+)

diff --git a/include/etl/generators/type_traits_generator.h b/include/etl/generators/type_traits_generator.h
index 35db7ea62..c1d73d103 100644
--- a/include/etl/generators/type_traits_generator.h
+++ b/include/etl/generators/type_traits_generator.h
@@ -2295,6 +2295,17 @@ typedef integral_constant<bool, true>  true_type;
   template <typename T>
   using signed_type_t = typename signed_type<T>::type;
 #endif
+
+//*********************************************
+// type_identity
+
+template <typename T>
+struct type_identity { typedef T type; };
+
+#if ETL_USING_CPP11
+  template <typename T>
+  using type_identity_t = typename type_identity<T>::type;
+#endif
 }
 
 // Helper macros
diff --git a/include/etl/type_traits.h b/include/etl/type_traits.h
index 93730e5a3..1a40f0264 100644
--- a/include/etl/type_traits.h
+++ b/include/etl/type_traits.h
@@ -2288,6 +2288,17 @@ typedef integral_constant<bool, true>  true_type;
   template <typename T>
   using signed_type_t = typename signed_type<T>::type;
 #endif
+
+//*********************************************
+// type_identity
+
+template <typename T>
+struct type_identity { typedef T type; };
+
+#if ETL_USING_CPP11
+  template <typename T>
+  using type_identity_t = typename type_identity<T>::type;
+#endif
 }
 
 // Helper macros