From d3daa4756122695a7a207f8df21d7549bd436d0e Mon Sep 17 00:00:00 2001
From: Dave Abrahams <dave@boostpro.com>
Date: Sun, 1 Feb 2004 22:11:47 +0000
Subject: [PATCH] Don't allow non-random-access-traversal iterators to be
 subtracted.

[SVN r22121]
---
 include/boost/iterator/counting_iterator.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/iterator/counting_iterator.hpp b/include/boost/iterator/counting_iterator.hpp
index 0a55967..d21ea8f 100644
--- a/include/boost/iterator/counting_iterator.hpp
+++ b/include/boost/iterator/counting_iterator.hpp
@@ -127,7 +127,7 @@ namespace detail
   {
       static Difference distance(Incrementable1 x, Incrementable2 y)
       {
-          return boost::detail::distance(x, y);
+          return y - x;
       }
   };