From 5e6c537a2d7c401a0040f7c1fe74fbf20f567c7e Mon Sep 17 00:00:00 2001
From: King_DuckZ <king_duckz@gmx.com>
Date: Thu, 23 Jul 2015 23:09:35 +0200
Subject: [PATCH] Fix in HasEnum that was always returning true.

---
 include/vectorwrapper/has_method.hpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/vectorwrapper/has_method.hpp b/include/vectorwrapper/has_method.hpp
index 5deb031..d3eda22 100644
--- a/include/vectorwrapper/has_method.hpp
+++ b/include/vectorwrapper/has_method.hpp
@@ -45,10 +45,11 @@
 	private: \
 		struct TrueType { int a[2]; }; \
 		typedef int FalseType; \
-		template <typename C> static TrueType has_enum ( int = C::enum_name ); \
+		template <int> void f ( void ); \
+		template <typename C> static TrueType has_enum ( decltype(&f<C::enum_name>) = nullptr ); \
 		template <typename C> static FalseType has_enum ( ... ); \
 	public:\
-		enum { value = sizeof(has_enum<T>(0)) == sizeof(TrueType) }; \
+		enum { value = sizeof(has_enum<T>(nullptr)) == sizeof(TrueType) }; \
 	}
 
 #endif