From b5b6da4959aaec95bd23d9da17372339756ba573 Mon Sep 17 00:00:00 2001
From: Giulio Eulisse <10544+ktf@users.noreply.github.com>
Date: Thu, 31 Oct 2024 09:49:06 +0100
Subject: [PATCH] DPL: hide helper in an anonymous namespace

---
 .../include/Framework/StructToTuple.h         | 21 +++++++++++--------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/Framework/Foundation/include/Framework/StructToTuple.h b/Framework/Foundation/include/Framework/StructToTuple.h
index c600e33883a74..5748329f6a50d 100644
--- a/Framework/Foundation/include/Framework/StructToTuple.h
+++ b/Framework/Foundation/include/Framework/StructToTuple.h
@@ -14,23 +14,26 @@
 #include <Framework/Traits.h>
 #include <array>
 
-namespace o2::framework
+namespace
 {
-struct any_type {
-  template <class T>
-  constexpr operator T(); // non explicit
-};
-
 template <class T, typename... Args>
 decltype(void(T{std::declval<Args>()...}), std::true_type())
-  test(int);
+  brace_test(int);
 
 template <class T, typename... Args>
 std::false_type
-  test(...);
+  brace_test(...);
+} // namespace
+
+namespace o2::framework
+{
+struct any_type {
+  template <class T>
+  constexpr operator T(); // non explicit
+};
 
 template <class T, typename... Args>
-struct is_braces_constructible : decltype(test<T, Args...>(0)) {
+struct is_braces_constructible : decltype(brace_test<T, Args...>(0)) {
 };
 
 #define DPL_REPEAT_0(x)