From 9e5680b5904c5bfcd6d1b5a061a6b821bfff7d13 Mon Sep 17 00:00:00 2001
From: Eric Niebler <eniebler@boost.org>
Date: Fri, 18 Nov 2016 11:50:32 -0800
Subject: [PATCH] Don't assume that because type `T` is a range that `const T`
 is also a range.

size_type<const T> erroneously dispatches to detail::size_type_<T>. That breaks for types that have non-const begin/end but that don't have const begin/end. The range-v3 library has such types.
---
 include/boost/range/size_type.hpp | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/include/boost/range/size_type.hpp b/include/boost/range/size_type.hpp
index f41c321..0a2ea81 100644
--- a/include/boost/range/size_type.hpp
+++ b/include/boost/range/size_type.hpp
@@ -83,11 +83,6 @@ namespace boost
         detail::range_size<T>
     { };
 
-    template< class T >
-    struct range_size<const T > :
-        detail::range_size<T>
-    { };
-
 } // namespace boost