From 32abf81176f654217c30f3a1dd25ba9ff4a67dc4 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Fri, 6 Feb 2015 19:40:55 +0100
Subject: Moved _SFINAE_ helper into separate header

---
 src/runtime/list/for_each.h |  7 ++++---
 src/sfinae.h                | 15 +++++++++++++++
 2 files changed, 19 insertions(+), 3 deletions(-)
 create mode 100644 src/sfinae.h

diff --git a/src/runtime/list/for_each.h b/src/runtime/list/for_each.h
index 1ca2034..b7496a8 100644
--- a/src/runtime/list/for_each.h
+++ b/src/runtime/list/for_each.h
@@ -3,6 +3,7 @@
 
 #include <type_traits>
 
+#include "sfinae.h"
 #include "list/list.h"
 
 namespace tav {
@@ -11,17 +12,17 @@ namespace runtime {
 template <
 	typename Current,
 	typename Function,
-	typename std::enable_if<std::is_void<Current>::value, std::size_t>::type = 0
+	detail::enable_if<std::is_void<Current>::value> = 0
 >
 void for_each(const Function&) { }
 
 template <
 	typename Current,
 	typename Function,
-	typename std::enable_if<!std::is_void<Current>::value, std::size_t>::type = 0
+	detail::enable_if<!std::is_void<Current>::value> = 0
 >
 void for_each(const Function& function) {
-	function(Head<Current>::type::value);
+	function(Head<Current>::value);
 
 	for_each<Tail<Current>, Function>(function);
 }
diff --git a/src/sfinae.h b/src/sfinae.h
new file mode 100644
index 0000000..1f0cb74
--- /dev/null
+++ b/src/sfinae.h
@@ -0,0 +1,15 @@
+#ifndef TYPEASVALUE_SRC_SFINAE_H_
+#define TYPEASVALUE_SRC_SFINAE_H_
+
+#include <type_traits>
+
+namespace tav {
+namespace detail {
+
+template <bool Condition>
+using enable_if = typename std::enable_if<Condition, std::size_t>::type;
+
+}
+}
+
+#endif  // TYPEASVALUE_SRC_SFINAE_H_
-- 
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