From 5f416e24fcbf020d3bb3bfd975c2a4e7e94245e6 Mon Sep 17 00:00:00 2001
From: Kohei Takahashi <flast@flast.jp>
Date: Thu, 6 Nov 2014 09:55:31 +0900
Subject: [PATCH] Use category_of to get correct iterator category.

---
 include/boost/fusion/iterator/iterator_adapter.hpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/boost/fusion/iterator/iterator_adapter.hpp b/include/boost/fusion/iterator/iterator_adapter.hpp
index 5b6d44ff..7e860c77 100644
--- a/include/boost/fusion/iterator/iterator_adapter.hpp
+++ b/include/boost/fusion/iterator/iterator_adapter.hpp
@@ -8,6 +8,7 @@
 #define FUSION_ITERATOR_ADAPTER_08112011_0942
 
 #include <boost/fusion/support/config.hpp>
+#include <boost/fusion/support/category_of.hpp>
 #include <boost/fusion/iterator/advance.hpp>
 #include <boost/fusion/iterator/deref.hpp>
 #include <boost/fusion/iterator/distance.hpp>
@@ -21,7 +22,7 @@
 namespace boost { namespace fusion
 {
     template <typename Derived_, typename Iterator_,
-        typename Category = typename Iterator_::category>
+        typename Category = typename traits::category_of<Iterator_>::type>
     struct iterator_adapter
         : iterator_facade<Derived_, Category>
     {