From 8bb3a85f68797710a591c4b29646f2ce89015fe6 Mon Sep 17 00:00:00 2001
From: Stephen Kelly <steveire@gmail.com>
Date: Wed, 10 Sep 2014 15:37:21 +0200
Subject: [PATCH] Use local sfinae typedefs for yes_type and no_type.

Remove dependency on Boost.Algorithm library.
---
 include/boost/range/detail/collection_traits_detail.hpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/include/boost/range/detail/collection_traits_detail.hpp b/include/boost/range/detail/collection_traits_detail.hpp
index c9c3fb3..1545997 100644
--- a/include/boost/range/detail/collection_traits_detail.hpp
+++ b/include/boost/range/detail/collection_traits_detail.hpp
@@ -23,7 +23,6 @@
 #include <boost/mpl/vector.hpp>
 #include <boost/mpl/fold.hpp>
 #include <boost/detail/iterator.hpp>
-#include <boost/algorithm/string/yes_no_type.hpp>
 
 // Container traits implementation ---------------------------------------------------------
 
@@ -115,7 +114,10 @@ namespace boost {
             };
 
 // Pair container traits ---------------------------------------------------------------------
-                    
+
+            typedef double yes_type;
+            typedef char no_type;
+
             // pair selector
             template< typename T, typename U >
             yes_type is_pair_impl( const std::pair<T,U>* );