From dfa3697764e38ed6fcb10adbf27e271b6b567bda Mon Sep 17 00:00:00 2001
From: Tony Lewis <tonyelewis@users.noreply.github.com>
Date: Sat, 9 Sep 2017 21:46:28 +0100
Subject: [PATCH] Add missing const to adjacent_filtered_range

---
 include/boost/range/adaptor/adjacent_filtered.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/range/adaptor/adjacent_filtered.hpp b/include/boost/range/adaptor/adjacent_filtered.hpp
index 287a4ae..405fe7b 100644
--- a/include/boost/range/adaptor/adjacent_filtered.hpp
+++ b/include/boost/range/adaptor/adjacent_filtered.hpp
@@ -181,7 +181,7 @@ namespace boost
         }
 
         template< class ForwardRng, class BinPredicate >
-        inline adjacent_filtered_range<BinPredicate, ForwardRng, false>
+        inline adjacent_filtered_range<BinPredicate, const ForwardRng, false>
         operator|( const ForwardRng& r,
                    const adjacent_excl_holder<BinPredicate>& f )
         {