Updated boost to v1.55.0

[rsem.git] / boost / iterator / iterator_traits.hpp

diff --git a/boost/iterator/iterator_traits.hpp b/boost/iterator/iterator_traits.hpp
new file mode 100644 (file)
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--- /dev/null
+++ b/boost/iterator/iterator_traits.hpp
@@ -0,0 +1,92 @@
+// Copyright David Abrahams 2003.
+// Distributed under the Boost Software License, Version 1.0. (See
+// accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+#ifndef ITERATOR_TRAITS_DWA200347_HPP
+# define ITERATOR_TRAITS_DWA200347_HPP
+
+# include <boost/detail/iterator.hpp>
+# include <boost/detail/workaround.hpp>
+
+namespace boost { 
+
+// Unfortunately, g++ 2.95.x chokes when we define a class template
+// iterator_category which has the same name as its
+// std::iterator_category() function, probably due in part to the
+// "std:: is visible globally" hack it uses.  Use
+// BOOST_ITERATOR_CATEGORY to write code that's portable to older
+// GCCs.
+
+# if BOOST_WORKAROUND(__GNUC__, <= 2)
+#  define BOOST_ITERATOR_CATEGORY iterator_category_
+# else
+#  define BOOST_ITERATOR_CATEGORY iterator_category
+# endif
+
+
+template <class Iterator>
+struct iterator_value
+{
+    typedef typename boost::detail::iterator_traits<Iterator>::value_type type;
+};
+  
+template <class Iterator>
+struct iterator_reference
+{
+    typedef typename boost::detail::iterator_traits<Iterator>::reference type;
+};
+  
+  
+template <class Iterator>
+struct iterator_pointer
+{
+    typedef typename boost::detail::iterator_traits<Iterator>::pointer type;
+};
+  
+template <class Iterator>
+struct iterator_difference
+{
+    typedef typename boost::detail::iterator_traits<Iterator>::difference_type type;
+};
+
+template <class Iterator>
+struct BOOST_ITERATOR_CATEGORY
+{
+    typedef typename boost::detail::iterator_traits<Iterator>::iterator_category type;
+};
+
+# if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
+template <>
+struct iterator_value<int>
+{
+    typedef void type;
+};
+  
+template <>
+struct iterator_reference<int>
+{
+    typedef void type;
+};
+
+template <>
+struct iterator_pointer<int>
+{
+    typedef void type;
+};
+  
+template <>
+struct iterator_difference<int>
+{
+    typedef void type;
+};
+  
+template <>
+struct BOOST_ITERATOR_CATEGORY<int>
+{
+    typedef void type;
+};
+# endif
+
+} // namespace boost::iterator
+
+#endif // ITERATOR_TRAITS_DWA200347_HPP