[Boost-commit] svn:boost r60799 - in sandbox/statistics/detail/assign: boost/assign/auto_size/range libs/assign/example

Subject: [Boost-commit] svn:boost r60799 - in sandbox/statistics/detail/assign: boost/assign/auto_size/range libs/assign/example
From: erwann.rogard_at_[hidden]
Date: 2010-03-24 00:26:18

Author: e_r
Date: 2010-03-24 00:26:17 EDT (Wed, 24 Mar 2010)
New Revision: 60799
URL: http://svn.boost.org/trac/boost/changeset/60799

Log:
m
Added:
   sandbox/statistics/detail/assign/boost/assign/auto_size/range/hold_converted_range.hpp   (contents, props changed)
   sandbox/statistics/detail/assign/boost/assign/auto_size/range/hold_previous.hpp   (contents, props changed)
Text files modified: 
   sandbox/statistics/detail/assign/libs/assign/example/range.cpp |     5 -----                                   
   1 files changed, 0 insertions(+), 5 deletions(-)

Added: sandbox/statistics/detail/assign/boost/assign/auto_size/range/hold_converted_range.hpp
==============================================================================
--- (empty file)
+++ sandbox/statistics/detail/assign/boost/assign/auto_size/range/hold_converted_range.hpp	2010-03-24 00:26:17 EDT (Wed, 24 Mar 2010)
@@ -0,0 +1,71 @@
+//////////////////////////////////////////////////////////////////////////////
+// assign::detail::range::chain_l.hpp                                       //
+//                                                                          //
+//  (C) Copyright 2010 Erwann Rogard                                        //
+//  Use, modification and distribution are subject to 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 BOOST_ASSIGN_DETAIL_RANGE_HOLD_CONVERTED_RANGE_ER_2010_HPP
+#define BOOST_ASSIGN_DETAIL_RANGE_HOLD_CONVERTED_RANGE_ER_2010_HPP
+#include <boost/mpl/if.hpp>
+#include <boost/mpl/void.hpp>
+#include <boost/assign/auto_size/range/convert_range.hpp>
+#include <boost/assign/auto_size/range/hold_previous.hpp>
+
+namespace boost{
+namespace assign{
+namespace detail{
+
+namespace converted_range{
+
+    template<typename Rng,typename V,typename R> // bool is_first
+    class holder{
+        typedef typename 
+            detail::result_of::convert_range<Rng,V,R>::type storage_;
+
+        public:
+
+        holder(){} 
+        holder(Rng& r):converted_range(convert_range<V,R>(r)){} 
+        
+        mutable storage_ converted_range;
+    };
+
+    template<typename E,typename Rng1,bool is_first,typename V,typename R>
+    class list 
+        : public hold_previous<E,is_first>, 
+        public holder<Rng1,V,R>
+    {
+        typedef list<E,Rng1,is_first,V,R> this_;
+        typedef hold_previous<E,is_first> previous_;
+        typedef converted_range::holder<Rng1,V,R> holder_;
+
+        public:
+
+        typedef V conversion_value;
+        typedef R conversion_reference;
+    
+        list(Rng1& r1):holder_(r1){}
+        list(E& e,Rng1& r1)
+            :previous_(e),holder_(r1){}
+
+        template<typename Rng2>
+        struct result_of_next{ typedef list<this_,Rng2,is_first,V,R> type; };
+    
+        template<typename Rng2>
+        typename result_of_next<Rng2>::type
+        next(Rng2& r2){
+            typedef typename result_of_next<Rng2>::type res_;
+            return res_(*this,r2);
+        }
+    
+    };
+
+
+}// converted_range
+}// detail
+}// assign
+}// boost
+
+#endif

Added: sandbox/statistics/detail/assign/boost/assign/auto_size/range/hold_previous.hpp
==============================================================================
--- (empty file)
+++ sandbox/statistics/detail/assign/boost/assign/auto_size/range/hold_previous.hpp	2010-03-24 00:26:17 EDT (Wed, 24 Mar 2010)
@@ -0,0 +1,36 @@
+//////////////////////////////////////////////////////////////////////////////
+// assign::detail::range::hold_previous.hpp                                 //
+//                                                                          //
+//  (C) Copyright 2010 Erwann Rogard                                        //
+//  Use, modification and distribution are subject to 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 BOOST_ASSIGN_DETAIL_RANGE_HOLD_PREVIOUS_ER_2010_HPP
+#define BOOST_ASSIGN_DETAIL_RANGE_HOLD_PREVIOUS_ER_2010_HPP
+#include <boost/mpl/int.hpp>
+#include <boost/mpl/equal_to.hpp>
+#include <boost/mpl/if.hpp>
+
+namespace boost{
+namespace assign{
+namespace detail{
+
+    template<typename E,bool is_first>
+    class hold_previous{
+        typedef typename boost::mpl::if_c<is_first,E,E&>::type previous_; 
+        
+        public:
+        
+        hold_previous(){} 
+        hold_previous(E& p)
+            :previous(p){} 
+        
+        mutable previous_ previous;
+    };
+
+}// detail
+}// assign
+}// boost
+
+#endif
\ No newline at end of file

Modified: sandbox/statistics/detail/assign/libs/assign/example/range.cpp
==============================================================================
--- sandbox/statistics/detail/assign/libs/assign/example/range.cpp	(original)
+++ sandbox/statistics/detail/assign/libs/assign/example/range.cpp	2010-03-24 00:26:17 EDT (Wed, 24 Mar 2010)
@@ -38,11 +38,6 @@
     BOOST_AUTO(tmp2,ref_list_of(c)(d));
     BOOST_AUTO(tmp3,ref_list_of(e)(f));
 
-    boost::copy(
-        chain_convert_l(ar1)(ar2),
-        std::ostream_iterator<int>(os," ")
-    );
-
     os << " chain_l(tmp1)(tmp2)(tmp3) = (";
     boost::copy(
         chain_convert_l(tmp1)(ar5)(tmp3),