[Boost-commit] svn:boost r72490 - sandbox/assign_v2/boost/assign/v2/chain

Subject: [Boost-commit] svn:boost r72490 - sandbox/assign_v2/boost/assign/v2/chain
From: erwann.rogard_at_[hidden]
Date: 2011-06-08 11:23:00

Author: e_r
Date: 2011-06-08 11:22:59 EDT (Wed, 08 Jun 2011)
New Revision: 72490
URL: http://svn.boost.org/trac/boost/changeset/72490

Log:
upd assign_v2
Added:
   sandbox/assign_v2/boost/assign/v2/chain/adaptor.hpp   (contents, props changed)
Removed:
   sandbox/assign_v2/boost/assign/v2/chain/chain.hpp

Added: sandbox/assign_v2/boost/assign/v2/chain/adaptor.hpp
==============================================================================
--- (empty file)
+++ sandbox/assign_v2/boost/assign/v2/chain/adaptor.hpp	2011-06-08 11:22:59 EDT (Wed, 08 Jun 2011)
@@ -0,0 +1,103 @@
+//////////////////////////////////////////////////////////////////////////////
+//  Boost.Assign v2                                                         //
+//                                                                          //
+//  Copyright (C) 2003-2004 Thorsten Ottosen                                //
+//  Copyright (C) 2009 Neil Groves                                          //
+//  Copyright (C) 2010 Manuel Peinado Gallego                               //
+//  Copyright (C) 2011 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_V2_CHAIN_ADAPTOR_ER_2011_HPP
+#define BOOST_ASSIGN_V2_CHAIN_ADAPTOR_ER_2011_HPP
+#include <boost/assign/v2/support/pp/ignore.hpp>
+#include <boost/assign/v2/chain/meta.hpp>
+#include <boost/mpl/void.hpp>
+
+// Design:
+// - Original design was boost::chain in RangeEx (later joined)
+// - ER : lvalue-preserving
+// - Finally, MPG proposed a way to compose chains http://gist.github.com/287791
+
+namespace boost{
+namespace assign{
+namespace v2{
+//[syntax_chain_chain
+namespace chain_aux{/*<-*/
+
+    typedef ::boost::mpl::void_ void_;/*->*/
+
+    template<typename U>
+    struct adaptor1/*<-*/
+    {
+        adaptor1( U& r )
+            : ptr( &r )
+        {}
+        U& reference()const{ return *this->ptr; }
+        private:
+        mutable U* ptr;
+    }/*->*/;
+
+    struct adaptor2/*<-*/
+    {
+
+        adaptor2(){}
+
+        template<typename U>
+        struct result{
+           typedef chain_aux::adaptor1<U> type;
+           static type call(U& u){ return type( u ); }
+        };
+
+        template<typename R>
+        typename result<R>::type
+        operator()(R& r)const{
+            return result<R>::call ( r );
+        }
+
+        template<typename R>
+        typename result<R const>::type
+        operator()(R const& r)const{
+            return result<R const>::call( r );
+        }
+
+    }/*->*/;
+
+    template<typename R1, typename U2>
+    typename result_of::chain<R1, U2>::type
+    operator|(R1 & r1, chain_aux::adaptor1<U2> const & h)/*<-*/
+    {
+        typedef result_of::chain<R1, U2> caller_;
+        return caller_::call( r1, h.reference() );
+    }BOOST_ASSIGN_V2_IGNORE(/*->*/;/*<-*/)/*->*/
+
+    template<typename R1, typename U2>
+    typename result_of::chain<R1 const, U2>::type
+    operator|(R1 const & r1, chain_aux::adaptor1<U2> const & h)/*<-*/
+    {
+        typedef result_of::chain<R1 const, U2> caller_;
+        return caller_::call( r1, h.reference() );
+    }BOOST_ASSIGN_V2_IGNORE(/*->*/;/*<-*/)/*->*/
+
+}// chain_aux
+//<-
+namespace{
+//->
+
+    const chain_aux::adaptor2 _chain/*<-*/ = chain_aux::adaptor2()/*->*/;
+
+//<-
+}
+//->
+namespace result_of{
+
+    using chain_aux::result_of::chain;
+
+}// result_of
+//]
+}// v2
+}// assign
+}// boost
+
+#endif // BOOST_ASSIGN_V2_CHAIN_ADAPTOR_ER_2011_HPP

Deleted: sandbox/assign_v2/boost/assign/v2/chain/chain.hpp
==============================================================================
--- sandbox/assign_v2/boost/assign/v2/chain/chain.hpp	2011-06-08 11:22:59 EDT (Wed, 08 Jun 2011)
+++ (empty file)
@@ -1 +0,0 @@
-// TODO remove file