From 6b77e7f8bd51564ff00f5940b0510ec9149fbe99 Mon Sep 17 00:00:00 2001
From: Jeremy Siek <jeremy.siek@gmail.com>
Date: Tue, 13 Jan 2004 19:02:19 +0000
Subject: [PATCH] added that Interoperable Iterator refines Single Pass
 Iterator

[SVN r21694]
---
 include/boost/iterator/iterator_concepts.hpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/boost/iterator/iterator_concepts.hpp b/include/boost/iterator/iterator_concepts.hpp
index a8ca1ee..aadb43b 100644
--- a/include/boost/iterator/iterator_concepts.hpp
+++ b/include/boost/iterator/iterator_concepts.hpp
@@ -354,6 +354,9 @@ namespace detail
 
         void constraints()
         {
+            boost::function_requires< SinglePassIteratorConcept<Iterator> >();
+            boost::function_requires< SinglePassIteratorConcept<ConstIterator> >();
+
             BOOST_STATIC_ASSERT(
                 (boost::is_same< difference_type, const_difference_type>::value)
             );