From d67faa82d38780ac0f8f209ffaea313d1403e8b9 Mon Sep 17 00:00:00 2001
From: "Dirk O. Kaar" <dok@dok-net.net>
Date: Wed, 22 Jan 2020 09:04:44 +0100
Subject: [PATCH] Nameless namespace or static linkage don't interfere with
 IRAM_ATTR, after all.

---
 src/circular_queue/Delegate.h | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/src/circular_queue/Delegate.h b/src/circular_queue/Delegate.h
index 3789c67..d4b6a19 100644
--- a/src/circular_queue/Delegate.h
+++ b/src/circular_queue/Delegate.h
@@ -36,18 +36,23 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 #include "circular_queue/ghostl.h"
 #endif
 
+namespace
+{
+
+    template<typename R, typename... P>
+    R IRAM_ATTR vPtrToFunPtrExec(void* fn, P... args)
+    {
+        using target_type = R(P...);
+        return reinterpret_cast<target_type*>(fn)(std::forward<P...>(args...));
+    }
+
+}
+
 namespace delegate
 {
     namespace detail
     {
 
-        template<typename R, typename... P>
-        R IRAM_ATTR vPtrToFunPtrExec(void* fn, P... args)
-        {
-            using target_type = R(P...);
-            return reinterpret_cast<target_type*>(fn)(std::forward<P...>(args...));
-        }
-
 #if !defined(ARDUINO) || defined(ESP8266) || defined(ESP32)
         template<typename A, typename R, typename... P>
         class DelegatePImpl {