From 2b464e701ee13d2c88edfa32a1e92abd950e4586 Mon Sep 17 00:00:00 2001
From: Simon Brand <tartanllama@gmail.com>
Date: Fri, 26 Apr 2019 21:23:45 +0100
Subject: [PATCH] Update type_traits.hpp

---
 include/tl/type_traits.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/tl/type_traits.hpp b/include/tl/type_traits.hpp
index c32258a..403fafa 100644
--- a/include/tl/type_traits.hpp
+++ b/include/tl/type_traits.hpp
@@ -23,8 +23,8 @@ namespace tl {
     template <bool B>
     using bool_constant = std::integral_constant<bool, B>;
 
-    template <bool B>
-    using index_constant = std::integral_constant<std::size_t, B>;
+    template <std::size_t N>
+    using index_constant = std::integral_constant<std::size_t, N>;
 
     template <class...> struct conjunction : std::true_type { };
     template <class B> struct conjunction<B> : B { };