From 6c82ff42dea6c7b210fa39f4597491c9e2090634 Mon Sep 17 00:00:00 2001
From: profezzorn <hubbe@hubbe.net>
Date: Sun, 31 May 2020 14:57:21 -0700
Subject: [PATCH] fix reference return

---
 transitions/base.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/transitions/base.h b/transitions/base.h
index 1bd340707..084939fa1 100644
--- a/transitions/base.h
+++ b/transitions/base.h
@@ -1,7 +1,9 @@
 #ifndef TRANSITIONS_BASE_H
 #define TRANSITIONS_BASE_H
 
-#define AUTO_RETURN(X) -> decltype(X) { return (X); }
+#include <type_traits>
+
+#define AUTO_RETURN(X) -> typename std::remove_const<typename std::remove_reference<decltype(X)>::type>::type { return (X); }
 
 template<class MILLIS>
 class TransitionBaseX {