From 63d197835262f26d1af825f7bb87050e76fcd04a Mon Sep 17 00:00:00 2001
From: klaus triendl <klaus@triendl.eu>
Date: Wed, 8 Nov 2023 15:33:39 +0200
Subject: [PATCH] Updated tuple iteration for uninstantiated tuples with C++14

... using pack expansion instead of unrolling
---
 dev/tuple_helper/tuple_iteration.h | 11 ++++-------
 include/sqlite_orm/sqlite_orm.h    | 11 ++++-------
 2 files changed, 8 insertions(+), 14 deletions(-)

diff --git a/dev/tuple_helper/tuple_iteration.h b/dev/tuple_helper/tuple_iteration.h
index 7a73b6c6e..f519f08ff 100644
--- a/dev/tuple_helper/tuple_iteration.h
+++ b/dev/tuple_helper/tuple_iteration.h
@@ -76,13 +76,10 @@ namespace sqlite_orm {
             (lambda((std::tuple_element_t<Idx, Tpl>*)nullptr), ...);
         }
 #else
-        template<class Tpl, class L>
-        void iterate_tuple(std::index_sequence<>, L&& /*lambda*/) {}
-
-        template<class Tpl, size_t I, size_t... Idx, class L>
-        void iterate_tuple(std::index_sequence<I, Idx...>, L&& lambda) {
-            lambda((std::tuple_element_t<I, Tpl>*)nullptr);
-            iterate_tuple<Tpl>(std::index_sequence<Idx...>{}, std::forward<L>(lambda));
+        template<class Tpl, size_t... Idx, class L>
+        void iterate_tuple(std::index_sequence<Idx...>, L&& lambda) {
+            using Sink = int[sizeof...(Idx)];
+            (void)Sink{(lambda((std::tuple_element_t<Idx, Tpl>*)nullptr), 0)...};
         }
 #endif
         template<class Tpl, class L>
diff --git a/include/sqlite_orm/sqlite_orm.h b/include/sqlite_orm/sqlite_orm.h
index 9aeadb9cc..141d89d9c 100644
--- a/include/sqlite_orm/sqlite_orm.h
+++ b/include/sqlite_orm/sqlite_orm.h
@@ -7043,13 +7043,10 @@ namespace sqlite_orm {
             (lambda((std::tuple_element_t<Idx, Tpl>*)nullptr), ...);
         }
 #else
-        template<class Tpl, class L>
-        void iterate_tuple(std::index_sequence<>, L&& /*lambda*/) {}
-
-        template<class Tpl, size_t I, size_t... Idx, class L>
-        void iterate_tuple(std::index_sequence<I, Idx...>, L&& lambda) {
-            lambda((std::tuple_element_t<I, Tpl>*)nullptr);
-            iterate_tuple<Tpl>(std::index_sequence<Idx...>{}, std::forward<L>(lambda));
+        template<class Tpl, size_t... Idx, class L>
+        void iterate_tuple(std::index_sequence<Idx...>, L&& lambda) {
+            using Sink = int[sizeof...(Idx)];
+            (void)Sink{(lambda((std::tuple_element_t<Idx, Tpl>*)nullptr), 0)...};
         }
 #endif
         template<class Tpl, class L>