Release 1.51.0

[SVN r80098]

doc/mfc_atl.qbk

@@ -41,7 +41,7 @@ BOOST_FOREACH (CList<CString> *theList, myArray)
 
 * Boost C++ Libraries Version 1.34.0 or later (no compilation required)
 * Visual C++ 7.1 or later (for MFC and ATL)
-    
+
 [endsect]
 
 [section:mfc_ranges MFC Ranges]

doc/portability.qbk

@@ -19,7 +19,7 @@ For maximum portability you should follow these guidelines:
 # use __const_begin__`()` and __const_end__`()` whenever your code by intention is read-only; this will also solve most rvalue problems,
 # do not rely on ADL:
   * if you overload functions, include that header before the headers in this library,
-  * put all overloads in namespace boost. 
+  * put all overloads in namespace boost.
 
 
 

doc/reference/adaptors/examples/adjacent_filtered.cpp

@@ -11,7 +11,7 @@
 #include <boost/range/algorithm/copy.hpp>
 #include <boost/assign.hpp>
 #include <algorithm>
-#include <functinoal>
+#include <functional>
 #include <iostream>
 #include <vector>
 

doc/reference/adaptors/examples/indexed.cpp

@@ -41,5 +41,5 @@ int main(int argc, const char* argv[])
     display_element_and_index( input | indexed(0) );
     
     return 0;
-]
+}
 

doc/reference/adaptors/examples/transformed.cpp

@@ -9,7 +9,7 @@
 //
 #include <boost/range/adaptor/transformed.hpp>
 #include <boost/range/algorithm/copy.hpp>
-#include <boost/range/assign.hpp>
+#include <boost/assign.hpp>
 #include <algorithm>
 #include <iostream>
 #include <vector>

doc/reference/semantics.qbk

@@ -128,7 +128,7 @@
     ]
     [
         [`size(x)`]
-        [`range_difference<X>::type`]
+        [`range_size<X>::type`]
         [`range_calculate_size(x)` which by default is `boost::end(x) - boost::begin(x)`. Users may supply alternative implementations by implementing `range_calculate_size(x)` so that it will be found via ADL]
         [constant time]
     ]

doc/reference/synopsis.qbk

@@ -20,10 +20,10 @@ namespace boost
 
     template< class T >
     struct range_reference;
-    
+
     template< class T >
     struct range_pointer;
-    
+
     template< class T >
     struct range_category;
 
@@ -92,11 +92,11 @@ namespace boost
     template< class T >
     typename range_reverse_iterator<const T>::type
     rend( const T& r );
-    
+
     //
     // Random Access Range functions
     //
-    
+
     template< class T >
     typename range_difference<T>::type
     size( const T& r );
@@ -106,42 +106,42 @@ namespace boost
     //
 
     template< class T >
-    typename range_iterator<const T>::type 
+    typename range_iterator<const T>::type
     const_begin( const T& r );
 
     template< class T >
-    typename range_iterator<const T>::type 
+    typename range_iterator<const T>::type
     const_end( const T& r );
 
     template< class T >
-    typename range_reverse_iterator<const T>::type 
+    typename range_reverse_iterator<const T>::type
     const_rbegin( const T& r );
 
     template< class T >
-    typename range_reverse_iterator<const T>::type 
+    typename range_reverse_iterator<const T>::type
     const_rend( const T& r );
-    
+
     //
     // String utilities
     //
-    
+
     template< class T >
     iterator_range< ... see below ... >
     as_literal( T& r );
-    
+
     template< class T >
     iterator_range< ... see below ... >
     as_literal( const T& r );
-    
+
     template< class T >
     iterator_range< typename range_iterator<T>::type >
     as_array( T& r );
-    
+
     template< class T >
     iterator_range< typename range_iterator<const T>::type >
     as_array( const T& r );
 
-} // namespace 'boost' 
+} // namespace 'boost'
 ``
 
 [endsect]

doc/reference/utilities.qbk

@@ -40,23 +40,23 @@ namespace boost
     public: // construction, assignment
         template< class ForwardTraversalIterator2 >
         iterator_range( ForwardTraversalIterator2 Begin, ForwardTraversalIterator2 End );
-                    
+
         template< class ForwardRange >
         iterator_range( ForwardRange& r );
-  
+
         template< class ForwardRange >
         iterator_range( const ForwardRange& r );
-        
+
         template< class ForwardRange >
         iterator_range& operator=( ForwardRange& r );
 
         template< class ForwardRange >
         iterator_range& operator=( const ForwardRange& r );
-    
+
     public: // Forward Range functions
         iterator  begin() const;
         iterator  end() const;
-        
+
     public: // convenience
         operator    unspecified_bool_type() const;
         bool        equal( const iterator_range& ) const;
@@ -65,25 +65,25 @@ namespace boost
         iterator_range& advance_begin(difference_type n);
         iterator_range& advance_end(difference_type n);
         bool      empty() const;
-        // for Random Access Range only: 
+        // for Random Access Range only:
         reference operator[]( difference_type at ) const;
         value_type operator()( difference_type at ) const;
         size_type size() const;
     };
-    
+
     // stream output
     template< class ForwardTraversalIterator, class T, class Traits >
-    std::basic_ostream<T,Traits>& 
+    std::basic_ostream<T,Traits>&
     operator<<( std::basic_ostream<T,Traits>& Os,
                 const iterator_range<ForwardTraversalIterator>& r );
 
     // comparison
     template< class ForwardTraversalIterator, class ForwardTraversalIterator2 >
-    bool operator==( const iterator_range<ForwardTraversalIterator>& l, 
+    bool operator==( const iterator_range<ForwardTraversalIterator>& l,
                      const iterator_range<ForwardTraversalIterator2>& r );
 
     template< class ForwardTraversalIterator, class ForwardRange >
-    bool operator==( const iterator_range<ForwardTraversalIterator>& l, 
+    bool operator==( const iterator_range<ForwardTraversalIterator>& l,
                      const ForwardRange& r );
 
     template< class ForwardTraversalIterator, class ForwardRange >
@@ -91,11 +91,11 @@ namespace boost
                      const iterator_range<ForwardTraversalIterator>& r );
 
     template< class ForwardTraversalIterator, class ForwardTraversalIterator2 >
-    bool operator!=( const iterator_range<ForwardTraversalIterator>& l, 
+    bool operator!=( const iterator_range<ForwardTraversalIterator>& l,
                      const iterator_range<ForwardTraversalIterator2>& r );
 
     template< class ForwardTraversalIterator, class ForwardRange >
-    bool operator!=( const iterator_range<ForwardTraversalIterator>& l, 
+    bool operator!=( const iterator_range<ForwardTraversalIterator>& l,
                      const ForwardRange& r );
 
     template< class ForwardTraversalIterator, class ForwardRange >
@@ -103,23 +103,23 @@ namespace boost
                      const iterator_range<ForwardTraversalIterator>& r );
 
     template< class ForwardTraversalIterator, class ForwardTraversalIterator2 >
-    bool operator<( const iterator_range<ForwardTraversalIterator>& l, 
+    bool operator<( const iterator_range<ForwardTraversalIterator>& l,
                     const iterator_range<ForwardTraversalIterator2>& r );
 
     template< class ForwardTraversalIterator, class ForwardRange >
-    bool operator<( const iterator_range<ForwardTraversalIterator>& l, 
+    bool operator<( const iterator_range<ForwardTraversalIterator>& l,
                     const ForwardRange& r );
 
     template< class ForwardTraversalIterator, class ForwardRange >
     bool operator<( const ForwardRange& l,
                     const iterator_range<ForwardTraversalIterator>& r );
- 
+
     // external construction
     template< class ForwardTraversalIterator >
     iterator_range< ForwardTraversalIterator >
-    make_iterator_range( ForwardTraversalIterator Begin, 
+    make_iterator_range( ForwardTraversalIterator Begin,
                          ForwardTraversalIterator End );
-       
+
     template< class ForwardRange >
     iterator_range< typename range_iterator<ForwardRange>::type >
     make_iterator_range( ForwardRange& r );
@@ -127,25 +127,25 @@ namespace boost
     template< class ForwardRange >
     iterator_range< typename range_iterator<const ForwardRange>::type >
     make_iterator_range( const ForwardRange& r );
-    
+
     template< class Range >
     iterator_range< typename range_iterator<Range>::type >
     make_iterator_range( Range& r,
                          typename range_difference<Range>::type advance_begin,
                          typename range_difference<Range>::type advance_end );
-    
+
     template< class Range >
     iterator_range< typename range_iterator<const Range>::type >
-    make_iterator_range( const Range& r, 
+    make_iterator_range( const Range& r,
                          typename range_difference<const Range>::type advance_begin,
                          typename range_difference<const Range>::type advance_end );
-    
+
     // convenience
     template< class Sequence, class ForwardRange >
     Sequence copy_range( const ForwardRange& r );
-    
+
 } // namespace 'boost'
-``    
+``
 
 If an instance of `iterator_range` is constructed by a client with two iterators, the client must ensure that the two iterators delimit a valid closed-open range [begin,end).
 
@@ -177,7 +177,7 @@ It is worth noticing that the templated constructors and assignment operators al
 
 ``
 iterator_range make_iterator_range( Range& r,
-                                    typename range_difference<Range>::type advance_begin, 
+                                    typename range_difference<Range>::type advance_begin,
                                     typename range_difference<Range>::type advance_end );
 ``
 
@@ -209,46 +209,46 @@ namespace boost
     template< class ForwardRange >
     class sub_range : public iterator_range< typename range_iterator<ForwardRange>::type >
     {
-    public: 
+    public:
         typedef typename range_iterator<ForwardRange>::type iterator;
         typedef typename range_iterator<const ForwardRange>::type  const_iterator;
         typedef typename iterator_difference<iterator>::type difference_type;
-    
+
     public: // construction, assignment
         template< class ForwardTraversalIterator >
         sub_range( ForwardTraversalIterator Begin, ForwardTraversalIterator End );
 
         template< class ForwardRange2 >
         sub_range( ForwardRange2& r );
-         
+
         template< class ForwardRange2 >
         sub_range( const Range2& r );
-         
+
         template< class ForwardRange2 >
         sub_range& operator=( ForwardRange2& r );
 
         template< class ForwardRange2 >
-        sub_range& operator=( const ForwardRange2& r );    
-    
-    public:  // Forward Range functions 
+        sub_range& operator=( const ForwardRange2& r );
+
+    public:  // Forward Range functions
         iterator        begin();
         const_iterator  begin() const;
         iterator        end();
-        const_iterator  end() const;    
-        
-    public: // convenience 
+        const_iterator  end() const;
+
+    public: // convenience
         value_type&       front();
         const value_type& front() const;
         value_type&       back();
         const value_type& back() const;
-        // for Random Access Range only: 
+        // for Random Access Range only:
         value_type&       operator[]( size_type at );
         const value_type& operator[]( size_type at ) const;
-    
+
     public:
         // rest of interface inherited from iterator_range
     };
-    
+
 } // namespace 'boost'
 ``
 

doc/style.qbk

@@ -13,7 +13,7 @@ Since ranges are characterized by a specific underlying iterator type, we get a
   * Readable Range
   * Writeable Range
   * Swappable Range
-  * Lvalue Range 
+  * Lvalue Range
 * [*/Traversal/] category:
   * __single_pass_range__
   * __forward_range__
@@ -25,7 +25,7 @@ Notice how we have used the categories from the __new_style_iterators__.
 Notice that an iterator (and therefore an range) has one [*/traversal/] property and one or more properties from the [*/value access/] category. So in reality we will mostly talk about mixtures such as
 
 * Random Access Readable Writeable Range
-* Forward Lvalue Range 
+* Forward Lvalue Range
 
 By convention, we should always specify the [*/traversal/] property first as done above. This seems reasonable since there will only be one [*/traversal/] property, but perhaps many [*/value access/] properties.
 
@@ -37,7 +37,7 @@ As another example, consider how we specify the interface of `std::sort()`. Algo
    template< class RandomAccessTraversalReadableWritableIterator >
    void sort( RandomAccessTraversalReadableWritableIterator first,
               RandomAccessTraversalReadableWritableIterator last );
-`` 
+``
 
 For ranges the interface becomes
 
@@ -45,6 +45,6 @@ For ranges the interface becomes
    template< class RandomAccessReadableWritableRange >
    void sort( RandomAccessReadableWritableRange& r );
 ``
- 
+
 [endsect]
 

doc/upgrade.qbk

@@ -5,6 +5,12 @@
 /]
 [section:upgrade Upgrade version of Boost.Range]
 
+[section:upgrade_from_1_49 Upgrade from version 1.49]
+
+# __size__ now returns the type Rng::size_type if the range has size_type;
+otherwise range_size<Rng>::type is used. This is the distance type promoted to
+an unsigned type.
+
 [section:upgrade_from_1_45 Upgrade from version 1.45]
 
 # __size__ in addition to supporting __random_access_range__ now also supports extensibility via calls to the unqualified `range_calculate_size(rng)` function.

include/boost/range/adaptor/adjacent_filtered.hpp

@@ -143,10 +143,6 @@ namespace boost
                          skip_iter(boost::end(r), boost::end(r), p))
             {
             }
-
-        private:
-            P m_pred;
-            R* m_range;
         };
 
         template< class T >

include/boost/range/adaptor/define_adaptor.hpp

@@ -44,24 +44,6 @@
         return range_adaptor <const Range>(rng); \
     }
 
-#define BOOST_DEFINE_RANGE_ADAPTOR_1( adaptor_name, range_adaptor, adaptor_class ) \
-    template<typename Range> range_adaptor <Range> \
-        operator|(Range& rng, const adaptor_name & args) \
-    { \
-        return range_adaptor <Range>(rng, args.arg1); \
-    } \
-    template<typename Range> range_adaptor <const Range> \
-        operator|(const Range& rng, const adaptor_name & args) \
-    { \
-        return range_adaptor <Range>(rng, args.arg1); \
-    } \
-    template<typename Range, typename Arg1> \
-    range_adaptor<Range> \
-    make_##adaptor_name(Range& rng, Arg1 arg1) \
-    { \
-        return range_adaptor<Range>(rng, arg1); \
-    }
-
 #define BOOST_DEFINE_RANGE_ADAPTOR_1( adaptor_name, range_adaptor, arg1_type ) \
     struct adaptor_name \
     { \

include/boost/range/adaptor/strided.hpp

@@ -176,6 +176,7 @@ namespace boost
             strided_iterator()
                 : m_first()
                 , m_last()
+                , m_index(0)
                 , m_stride()
             {
             }
@@ -184,6 +185,7 @@ namespace boost
                 : super_t(it)
                 , m_first(first)
                 , m_last(last)
+                , m_index(stride ? (it - first) / stride : 0)
                 , m_stride(stride)
             {
             }
@@ -194,6 +196,7 @@ namespace boost
                 : super_t(other.base())
                 , m_first(other.base_begin())
                 , m_last(other.base_end())
+                , m_index(other.get_index())
                 , m_stride(other.get_stride())
             {
             }
@@ -201,44 +204,37 @@ namespace boost
             base_iterator base_begin() const { return m_first; }
             base_iterator base_end() const { return m_last; }
             difference_type get_stride() const { return m_stride; }
+            difference_type get_index() const { return m_index; }
 
         private:
             void increment()
             {
-                base_iterator& it = this->base_reference();
-                if ((m_last - it) > m_stride)
-                    it += m_stride;
+                m_index += m_stride;
+                if (m_index < (m_last - m_first))
+                    this->base_reference() = m_first + m_index;
                 else
-                    it = m_last;
+                    this->base_reference() = m_last;
             }
 
             void decrement()
             {
-                base_iterator& it = this->base_reference();
-                if ((it - m_first) > m_stride)
-                    it -= m_stride;
+                m_index -= m_stride;
+                if (m_index >= 0)
+                    this->base_reference() = m_first + m_index;
                 else
-                    it = m_first;
+                    this->base_reference() = m_first;
             }
 
             void advance(difference_type offset)
             {
-                base_iterator& it = this->base_reference();
                 offset *= m_stride;
-                if (offset >= 0)
-                {
-                    if ((m_last - it) > offset)
-                        it += offset;
-                    else
-                        it = m_last;
-                }
+                m_index += offset;
+                if (m_index < 0)
+                    this->base_reference() = m_first;
+                else if (m_index > (m_last - m_first))
+                    this->base_reference() = m_last;
                 else
-                {
-                    if ((m_first - it) > offset)
-                        it += offset;
-                    else
-                        it = m_first;
-                }
+                    this->base_reference() = m_first + m_index;
             }
 
             template<class OtherIterator>
@@ -252,12 +248,13 @@ namespace boost
 
             bool equal(const strided_iterator& other) const
             {
-                return other.base() == this->base();
+                return this->base() == other.base();
             }
 
         private:
             base_iterator m_first;
             base_iterator m_last;
+            difference_type m_index;
             difference_type m_stride;
         };
 

include/boost/range/adaptor/transformed.hpp

@@ -42,8 +42,8 @@ namespace boost
             typedef R source_range_type;
 
             transformed_range( F f, R& r )
-                : base( make_transform_iterator( boost::begin(r), f ),
-                        make_transform_iterator( boost::end(r), f ) )
+                : base( boost::make_transform_iterator( boost::begin(r), f ),
+                        boost::make_transform_iterator( boost::end(r), f ) )
 
             { }
         };

include/boost/range/algorithm/equal.hpp

@@ -31,7 +31,7 @@ namespace boost
                                 IteratorCategoryTag1,
                                 IteratorCategoryTag2 )
         {
-            do
+            while (true)
             {
                 // If we have reached the end of the left range then this is
                 // the end of the loop. They are equal if and only if we have
@@ -46,7 +46,12 @@ namespace boost
                     return false;
 
                 // continue looping if and only if the values are equal
-            } while(*first1++ == *first2++);
+                if (*first1 != *first2)
+                    break;
+
+                ++first1;
+                ++first2;
+            }
 
             // Reaching this line in the algorithm indicates that a value
             // inequality has been detected.
@@ -66,7 +71,7 @@ namespace boost
                                 IteratorCategoryTag1,
                                 IteratorCategoryTag2 )
         {
-            do
+            while (true)
             {
                 // If we have reached the end of the left range then this is
                 // the end of the loop. They are equal if and only if we have
@@ -81,7 +86,12 @@ namespace boost
                     return false;
 
                 // continue looping if and only if the values are equal
-            } while(pred(*first1++, *first2++));
+                if (!pred(*first1, *first2))
+                    break;
+
+                ++first1;
+                ++first2;
+            }
 
             // Reaching this line in the algorithm indicates that a value
             // inequality has been detected.
@@ -182,7 +192,7 @@ namespace boost
         }
 
     } // namespace range
-    using range::equal;
+    using ::boost::range::equal;
 } // namespace boost
 
 #endif // include guard

include/boost/range/algorithm/for_each.hpp

@@ -13,13 +13,52 @@
 #include <boost/range/begin.hpp>
 #include <boost/range/end.hpp>
 #include <boost/range/concepts.hpp>
+#include <boost/ref.hpp>
 #include <algorithm>
 
+#if BOOST_WORKAROUND(BOOST_MSVC, == 1600)
+#include <xutility>
+#endif
+
 namespace boost
 {
     namespace range
     {
 
+#if BOOST_WORKAROUND(BOOST_MSVC, == 1600)
+        namespace for_each_detail
+        {
+            template<typename Iterator, typename UnaryFunction>
+            inline UnaryFunction
+            for_each_impl(Iterator first, Iterator last, UnaryFunction fun,
+                          typename enable_if<
+                            is_reference_wrapper<UnaryFunction>,
+                            void
+                          >::type* = 0)
+            {
+                    typedef typename std::_Get_unchecked_type<Iterator>::type
+                                unchecked_iterator;
+
+                    unchecked_iterator unchecked_last = std::_Unchecked(last);
+                    for (unchecked_iterator unchecked_first = std::_Unchecked(first); first != last; ++first)
+                            fun.get()(*unchecked_first);
+
+                    return fun;
+            }
+
+            template<typename Iterator, typename UnaryFunction>
+            inline UnaryFunction
+            for_each_impl(Iterator first, Iterator last, UnaryFunction fn,
+                          typename disable_if<
+                            is_reference_wrapper<UnaryFunction>,
+                            void
+                          >::type* = 0)
+            {
+                return std::for_each<Iterator, UnaryFunction>(first, last, fn);
+            }
+        }
+#endif
+
 /// \brief template function for_each
 ///
 /// range-based version of the for_each std algorithm
@@ -30,7 +69,18 @@ template< class SinglePassRange, class UnaryFunction >
 inline UnaryFunction for_each(SinglePassRange & rng, UnaryFunction fun)
 {
     BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange> ));
-    return std::for_each(boost::begin(rng),boost::end(rng),fun);
+    
+#if BOOST_WORKAROUND(BOOST_MSVC, == 1600)
+        return for_each_detail::for_each_impl<
+                typename range_iterator<SinglePassRange>::type,
+                UnaryFunction
+        >(boost::begin(rng), boost::end(rng), fun);
+#else
+    return std::for_each<
+        BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange>::type,
+        UnaryFunction
+    >(boost::begin(rng),boost::end(rng),fun);
+#endif    
 }
 
 /// \overload
@@ -38,7 +88,18 @@ template< class SinglePassRange, class UnaryFunction >
 inline UnaryFunction for_each(const SinglePassRange& rng, UnaryFunction fun)
 {
     BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange> ));
-    return std::for_each(boost::begin(rng), boost::end(rng), fun);
+    
+#if BOOST_WORKAROUND(BOOST_MSVC, == 1600)
+        return for_each_detail::for_each_impl<
+                typename range_iterator<const SinglePassRange>::type,
+                UnaryFunction
+        >(boost::begin(rng), boost::end(rng), fun);
+#else    
+    return std::for_each<
+        BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange>::type,
+        UnaryFunction
+    >(boost::begin(rng), boost::end(rng), fun);
+#endif    
 }
 
     } // namespace range

include/boost/range/algorithm_ext/copy_n.hpp

@@ -30,15 +30,15 @@ namespace boost
 ///
 /// \pre SinglePassRange is a model of the SinglePassRangeConcept
 /// \pre OutputIterator is a model of the OutputIteratorConcept
-/// \pre 0 <= n < distance(rng)
+/// \pre 0 <= n <= distance(rng)
 template< class SinglePassRange, class Size, class OutputIterator >
 inline OutputIterator copy_n(const SinglePassRange& rng, Size n, OutputIterator out)
 {
     BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange> ));
-    BOOST_ASSERT( n < static_cast<Size>(boost::distance(rng)) );
+    BOOST_ASSERT( n <= static_cast<Size>(::boost::distance(rng)) );
     BOOST_ASSERT( n >= static_cast<Size>(0) );
 
-    BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange>::type source = boost::begin(rng);
+    BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange>::type source = ::boost::begin(rng);
 
     for (Size i = 0; i < n; ++i, ++out, ++source)
         *out = *source;
@@ -47,7 +47,7 @@ inline OutputIterator copy_n(const SinglePassRange& rng, Size n, OutputIterator
 }
 
     } // namespace range
-    using range::copy_n;
+    using ::boost::range::copy_n;
 } // namespace boost
 
 #endif // include guard

include/boost/range/algorithm_ext/is_sorted.hpp

@@ -1,3 +1,4 @@
+//  Copyright Bryce Lelbach 2010
 //  Copyright Neil Groves 2009. Use, modification and
 //  distribution is subject to the Boost Software License, Version
 //  1.0. (See accompanying file LICENSE_1_0.txt or copy at
@@ -14,45 +15,26 @@
 #include <boost/range/end.hpp>
 #include <boost/range/concepts.hpp>
 #include <boost/range/value_type.hpp>
+#include <boost/detail/is_sorted.hpp>
 #include <algorithm>
 
 namespace boost
 {
-    namespace range_detail
-    {
-        template<class ForwardIterator>
-        inline bool is_sorted(ForwardIterator first, ForwardIterator last)
-        {
-            for (ForwardIterator next = first; first != last && ++next != last; ++first)
-                if (*next < *first)
-                    return false;
-            return true;
-        }
-
-        template<class ForwardIterator, class BinaryPredicate>
-        inline bool is_sorted(ForwardIterator first, ForwardIterator last, BinaryPredicate pred)
-        {
-            for (ForwardIterator next = first; first != last && ++next != last; ++first)
-                if (pred(*next, *first))
-                    return false;
-            return true;
-        }
-    }
-
     namespace range
     {
 
-/// \brief template function count
+/// \brief template function is_sorted
 ///
-/// range-based version of the count std algorithm
+/// range-based version of the is_sorted std algorithm
 ///
 /// \pre SinglePassRange is a model of the SinglePassRangeConcept
 template<class SinglePassRange>
 inline bool is_sorted(const SinglePassRange& rng)
 {
     BOOST_RANGE_CONCEPT_ASSERT((SinglePassRangeConcept<const SinglePassRange>));
-    BOOST_RANGE_CONCEPT_ASSERT((LessThanComparableConcept<BOOST_DEDUCED_TYPENAME range_value<const SinglePassRange>::type>));
-    return range_detail::is_sorted(boost::begin(rng), boost::end(rng));
+    BOOST_RANGE_CONCEPT_ASSERT((LessThanComparableConcept<BOOST_DEDUCED_TYPENAME
+      range_value<const SinglePassRange>::type>));
+    return ::boost::detail::is_sorted(boost::begin(rng), boost::end(rng));
 }
 
 /// \overload
@@ -60,12 +42,16 @@ template<class SinglePassRange, class BinaryPredicate>
 inline bool is_sorted(const SinglePassRange& rng, BinaryPredicate pred)
 {
     BOOST_RANGE_CONCEPT_ASSERT((SinglePassRangeConcept<const SinglePassRange>));
-    BOOST_RANGE_CONCEPT_ASSERT((BinaryPredicateConcept<BinaryPredicate, BOOST_DEDUCED_TYPENAME range_value<const SinglePassRange>::type, BOOST_DEDUCED_TYPENAME range_value<const SinglePassRange>::type>));
-    return range_detail::is_sorted(boost::begin(rng), boost::end(rng), pred);
+    BOOST_RANGE_CONCEPT_ASSERT((BinaryPredicateConcept<BinaryPredicate,
+      BOOST_DEDUCED_TYPENAME range_value<const SinglePassRange>::type,
+      BOOST_DEDUCED_TYPENAME range_value<const SinglePassRange>::type>));
+    return ::boost::detail::is_sorted(boost::begin(rng), boost::end(rng), pred);
 }
 
     } // namespace range
-    using range::is_sorted;
+
+using range::is_sorted;
+
 } // namespace boost
 
 #endif // include guard

include/boost/range/any_range.hpp

@@ -15,6 +15,7 @@
 #include <boost/iterator/iterator_facade.hpp>
 #include <boost/iterator/iterator_adaptor.hpp>
 #include <boost/range/detail/any_iterator.hpp>
+#include <boost/range/concepts.hpp>
 #include <boost/range/reference.hpp>
 #include <boost/range/value_type.hpp>
 #include <boost/range/iterator_range_core.hpp>

include/boost/range/as_literal.hpp

@@ -74,7 +74,7 @@ namespace boost
 #endif
 
         template< class T >
-        inline long is_char_ptr( T /* r */ )
+        inline long is_char_ptr( const T& /* r */ )
         {
             return 0L;
         }

include/boost/range/counting_range.hpp

@@ -18,7 +18,6 @@
 #include <boost/range/iterator_range_core.hpp>
 #include <boost/range/value_type.hpp>
 #include <boost/iterator/counting_iterator.hpp>
-#include <boost/utility.hpp>
 
 namespace boost
 {

include/boost/range/detail/any_iterator.hpp

@@ -11,7 +11,6 @@
 #define BOOST_RANGE_DETAIL_ANY_ITERATOR_HPP_INCLUDED
 
 #include <boost/cast.hpp>
-#include <boost/utility.hpp>
 #include <boost/mpl/and.hpp>
 #include <boost/mpl/or.hpp>
 #include <boost/mpl/not.hpp>

include/boost/range/detail/any_iterator_buffer.hpp

@@ -13,7 +13,7 @@
 #include <boost/array.hpp>
 #include <boost/assert.hpp>
 #include <boost/static_assert.hpp>
-#include <boost/utility.hpp>
+#include <boost/noncopyable.hpp>
 
 namespace boost
 {

include/boost/range/detail/demote_iterator_traversal_tag.hpp

@@ -5,6 +5,9 @@
 //  1.0. (See accompanying file LICENSE_1_0.txt or copy at
 //  http://www.boost.org/LICENSE_1_0.txt)
 //
+// Acknowledgements:
+// aschoedl supplied a fix to supply the level of interoperability I had
+// originally intended, but failed to implement.
 //
 // For more information, see http://www.boost.org/libs/range/
 //
@@ -19,12 +22,12 @@ namespace boost
     {
 
 template<class IteratorTraversalTag1, class IteratorTraversalTag2>
-struct demote_iterator_traversal_tag
+struct inner_demote_iterator_traversal_tag
 {
 };
 
 #define BOOST_DEMOTE_TRAVERSAL_TAG( Tag1, Tag2, ResultTag ) \
-template<> struct demote_iterator_traversal_tag< Tag1 , Tag2 > \
+template<> struct inner_demote_iterator_traversal_tag< Tag1 , Tag2 > \
 { \
     typedef ResultTag type; \
 };
@@ -73,6 +76,15 @@ BOOST_DEMOTE_TRAVERSAL_TAG( random_access_traversal_tag, random_access_traversal
 
 #undef BOOST_DEMOTE_TRAVERSAL_TAG
 
+template<class IteratorTraversalTag1, class IteratorTraversalTag2>
+struct demote_iterator_traversal_tag
+    : inner_demote_iterator_traversal_tag<
+        typename boost::detail::pure_traversal_tag< IteratorTraversalTag1 >::type,
+        typename boost::detail::pure_traversal_tag< IteratorTraversalTag2 >::type
+      >
+{
+};
+
     } // namespace range_detail
 } // namespace boost
 

include/boost/range/detail/detail_str.hpp

@@ -134,8 +134,8 @@ namespace boost
 
 #include <boost/range/detail/begin.hpp>
 #include <boost/range/detail/end.hpp>
-#include <boost/range/detail/size_type>
-#include <boost/range/detail/value_type>
+#include <boost/range/detail/size_type.hpp>
+#include <boost/range/detail/value_type.hpp>
 #include <boost/range/detail/common.hpp>
 
 namespace boost 

include/boost/range/detail/join_iterator.hpp

@@ -5,6 +5,9 @@
 //  1.0. (See accompanying file LICENSE_1_0.txt or copy at
 //  http://www.boost.org/LICENSE_1_0.txt)
 //
+// Acknowledgements:
+// aschoedl contributed an improvement to the determination
+// of the Reference type parameter.
 //
 // For more information, see http://www.boost.org/libs/range/
 //
@@ -20,7 +23,7 @@
 #include <boost/range/empty.hpp>
 #include <boost/range/detail/demote_iterator_traversal_tag.hpp>
 #include <boost/range/value_type.hpp>
-#include <boost/utility.hpp>
+#include <boost/next_prior.hpp>
 
 namespace boost
 {
@@ -120,7 +123,32 @@ private:
 template<typename Iterator1
        , typename Iterator2
        , typename ValueType = typename iterator_value<Iterator1>::type
-       , typename Reference = typename iterator_reference<Iterator1>::type
+       // find least demanding, commonly supported reference type, in the order &, const&, and by-value:
+       , typename Reference = typename mpl::if_c<
+                !is_reference<typename iterator_reference<Iterator1>::type>::value
+             || !is_reference<typename iterator_reference<Iterator2>::type>::value,
+                        typename remove_const<
+                            typename remove_reference<
+                                typename iterator_reference<Iterator1>::type
+                            >::type
+                        >::type,
+                        typename mpl::if_c<
+                            is_const<
+                                typename remove_reference<
+                                    typename iterator_reference<Iterator1>::type
+                                >::type
+                            >::value
+                            || is_const<
+                                typename remove_reference<
+                                    typename iterator_reference<Iterator2>::type
+                                >::type
+                            >::value,
+                            typename add_const<
+                                typename iterator_reference<Iterator2>::type
+                            >::type,
+                            typename iterator_reference<Iterator1>::type
+                        >::type
+                    >::type
        , typename Traversal = typename demote_iterator_traversal_tag<
                                   typename iterator_traversal<Iterator1>::type
                                 , typename iterator_traversal<Iterator2>::type>::type

include/boost/range/detail/size_type.hpp

@@ -17,12 +17,19 @@
 // missing partial specialization  workaround.
 //////////////////////////////////////////////////////////////////////////////
 
-namespace boost 
+namespace boost
 {
-    namespace range_detail 
-    {        
+    namespace range_detail
+    {
         template< typename T >
-        struct range_size_type_;
+        struct range_size_type_
+        {
+            template< typename C >
+            struct pts
+            {
+                typedef std::size_t type;
+            };
+        };
 
         template<>
         struct range_size_type_<std_container_>
@@ -33,36 +40,14 @@ namespace boost
                 typedef BOOST_RANGE_DEDUCED_TYPENAME C::size_type type;
             };
         };
+    }
 
-        template<>
-        struct range_size_type_<std_pair_>
-        {
-            template< typename P >
-            struct pts
-            {
-                typedef std::size_t type;
-            };
-        };
-
-        template<>
-        struct range_size_type_<array_>
-        {
-            template< typename A >
-            struct pts
-            {
-                typedef std::size_t type;
-            };
-        };
-
-  
-    } 
-    
     template< typename C >
     class range_size
     {
         typedef typename range_detail::range<C>::type c_type;
     public:
-        typedef typename range_detail::range_size_type_<c_type>::BOOST_NESTED_TEMPLATE pts<C>::type type; 
+        typedef typename range_detail::range_size_type_<c_type>::BOOST_NESTED_TEMPLATE pts<C>::type type;
     };
 }
 

include/boost/range/has_range_iterator.hpp

@@ -13,13 +13,13 @@
 #include <boost/mpl/bool.hpp>
 #include <boost/mpl/has_xxx.hpp>
 #include <boost/range/iterator.hpp>
-#include <boost/utility.hpp>
+#include <boost/utility/enable_if.hpp>
 
 namespace boost
 {
     namespace range_detail
     {
-        BOOST_MPL_HAS_XXX_TRAIT_DEF(type);
+        BOOST_MPL_HAS_XXX_TRAIT_DEF(type)
 
         template<class T, class Enabler = void>
         struct has_range_iterator_impl