49 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			49 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|   | 
 | ||
|  | #ifndef BOOST_MPL_FOLD_HPP_INCLUDED | ||
|  | #define BOOST_MPL_FOLD_HPP_INCLUDED | ||
|  | 
 | ||
|  | // Copyright Aleksey Gurtovoy 2001-2004 | ||
|  | // Copyright David Abrahams 2001-2002 | ||
|  | // | ||
|  | // 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) | ||
|  | // | ||
|  | // See http://www.boost.org/libs/mpl for documentation. | ||
|  | 
 | ||
|  | // $Id$ | ||
|  | // $Date$ | ||
|  | // $Revision$ | ||
|  | 
 | ||
|  | #include <boost/mpl/begin_end.hpp> | ||
|  | #include <boost/mpl/O1_size.hpp> | ||
|  | #include <boost/mpl/aux_/fold_impl.hpp> | ||
|  | #include <boost/mpl/aux_/na_spec.hpp> | ||
|  | #include <boost/mpl/aux_/lambda_support.hpp> | ||
|  | 
 | ||
|  | namespace boost { namespace mpl { | ||
|  | 
 | ||
|  | template< | ||
|  |       typename BOOST_MPL_AUX_NA_PARAM(Sequence) | ||
|  |     , typename BOOST_MPL_AUX_NA_PARAM(State) | ||
|  |     , typename BOOST_MPL_AUX_NA_PARAM(ForwardOp) | ||
|  |     > | ||
|  | struct fold | ||
|  | { | ||
|  |     typedef typename aux::fold_impl< | ||
|  |           ::boost::mpl::O1_size<Sequence>::value | ||
|  |         , typename begin<Sequence>::type | ||
|  |         , typename end<Sequence>::type | ||
|  |         , State | ||
|  |         , ForwardOp | ||
|  |         >::state type; | ||
|  | 
 | ||
|  |     BOOST_MPL_AUX_LAMBDA_SUPPORT(3,fold,(Sequence,State,ForwardOp)) | ||
|  | }; | ||
|  | 
 | ||
|  | BOOST_MPL_AUX_NA_SPEC(3, fold) | ||
|  | 
 | ||
|  | }} | ||
|  | 
 | ||
|  | #endif // BOOST_MPL_FOLD_HPP_INCLUDED |