From 2f327fa2b8da751e8859a6d781d8458ef704bad6 Mon Sep 17 00:00:00 2001
From: Gabriel Busnot <gabriel.busnot@arteris.com>
Date: Tue, 20 Jun 2023 19:09:53 +0000
Subject: [PATCH] base: define is_iterable type trait

Change-Id: I38bb0ddcbb95645797f1d20724b78aff3bef4580
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/71838
Maintainer: Daniel Carvalho <odanrc@yahoo.com.br>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
---
 src/base/type_traits.hh | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/src/base/type_traits.hh b/src/base/type_traits.hh
index 1fec93d9d1..a42f786443 100644
--- a/src/base/type_traits.hh
+++ b/src/base/type_traits.hh
@@ -27,8 +27,8 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef __BASE_TYPETRAITS_HH__
-#define __BASE_TYPETRAITS_HH__
+#ifndef BASE_TYPETRAITS_HH
+#define BASE_TYPETRAITS_HH
 
 #include <tuple>
 #include <type_traits>
@@ -92,6 +92,19 @@ template<auto F>
 using MemberFunctionArgsTuple_t =
     typename MemberFunctionSignature<decltype(F)>::argsTuple_t;
 
+
+// iterable type trait
+template <typename, typename = void>
+struct is_iterable: std::false_type {};
+
+template <typename T>
+struct is_iterable<T,
+    std::void_t<decltype(begin(std::declval<T>())),
+                decltype(end(std::declval<T>()))>>: std::true_type {};
+
+template <typename T>
+constexpr bool is_iterable_v = is_iterable<T>::value;
+
 } // namespace gem5
 
-#endif // __BASE_TYPETRAITS_HH__
+#endif // BASE_TYPETRAITS_HH