Boost.RangeEx merged into Boost.Range

[SVN r60897]

include/boost/range/adaptor/copied.hpp

@@ -0,0 +1,68 @@
+// Boost.Range library
+//
+//  Copyright Thorsten Ottosen, Neil Groves 2006 - 2008. Use, modification and
+//  distribution is 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)
+//
+// For more information, see http://www.boost.org/libs/range/
+//
+
+#ifndef BOOST_RANGE_ADAPTOR_COPIED_HPP
+#define BOOST_RANGE_ADAPTOR_COPIED_HPP
+
+#include <boost/range/adaptor/argument_fwd.hpp>
+#include <boost/range/adaptor/sliced.hpp>
+#include <boost/range/size_type.hpp>
+#include <boost/range/iterator_range.hpp>
+
+namespace boost
+{
+	namespace range_detail
+	{
+		template< class T >
+		struct copy_holder 
+			: holder2<std::size_t> 
+		{
+			copy_holder( std::size_t t, std::size_t u ) 
+			    : holder2<std::size_t>(t,u)
+			{ }
+		};
+
+		template< class CopyableRandomAccessRng, class Int >
+		inline CopyableRandomAccessRng 
+		operator|( const CopyableRandomAccessRng& r, const copy_holder<Int>& f )
+		{
+			iterator_range< 
+				BOOST_DEDUCED_TYPENAME range_iterator<const 
+				                               CopyableRandomAccessRng>::type >
+			temp( sliced_impl( r, f ) ); 
+			return CopyableRandomAccessRng( temp.begin(), temp.end() );
+		}
+		
+	} // 'range_detail'
+
+	namespace adaptors
+	{ 
+		namespace
+		{
+			const range_detail::forwarder2<range_detail::copy_holder> 
+  	           copied = range_detail::forwarder2<range_detail::copy_holder>();
+		}
+		
+		template<class CopyableRandomAccessRange>
+		inline CopyableRandomAccessRange
+		copy(const CopyableRandomAccessRange& rng, std::size_t t, std::size_t u)
+		{
+		    iterator_range<
+		        BOOST_DEDUCED_TYPENAME range_iterator<const
+		            CopyableRandomAccessRange>::type> temp(
+		                adaptors::slice(rng, t, u));
+		                
+            return CopyableRandomAccessRange( temp.begin(), temp.end() );
+		}
+	} // 'adaptors'
+	
+}
+
+#endif