66 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			66 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|   | 
 | ||
|  | #ifndef BOOST_MPL_SET_AUX_INSERT_IMPL_HPP_INCLUDED | ||
|  | #define BOOST_MPL_SET_AUX_INSERT_IMPL_HPP_INCLUDED | ||
|  | 
 | ||
|  | // Copyright Aleksey Gurtovoy 2003-2007 | ||
|  | // Copyright David Abrahams 2003-2004 | ||
|  | // | ||
|  | // 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/insert_fwd.hpp> | ||
|  | #include <boost/mpl/set/aux_/has_key_impl.hpp> | ||
|  | #include <boost/mpl/set/aux_/item.hpp> | ||
|  | #include <boost/mpl/set/aux_/tag.hpp> | ||
|  | #include <boost/mpl/identity.hpp> | ||
|  | #include <boost/mpl/base.hpp> | ||
|  | #include <boost/mpl/eval_if.hpp> | ||
|  | #include <boost/mpl/aux_/na.hpp> | ||
|  | 
 | ||
|  | #include <boost/type_traits/is_same.hpp> | ||
|  | 
 | ||
|  | namespace boost { namespace mpl { | ||
|  | 
 | ||
|  | namespace aux { | ||
|  | template<  typename Set, typename T > struct set_insert_impl | ||
|  |     : eval_if<  | ||
|  |           has_key_impl<aux::set_tag>::apply<Set,T> | ||
|  |         , identity<Set> | ||
|  |         , eval_if<  | ||
|  |               is_same< T,typename Set::last_masked_ >  | ||
|  |             , base<Set> | ||
|  |             , identity< s_item<T,typename Set::item_> > | ||
|  |             > | ||
|  |         > | ||
|  | { | ||
|  | }; | ||
|  | } | ||
|  | 
 | ||
|  | template<> | ||
|  | struct insert_impl< aux::set_tag > | ||
|  | { | ||
|  |     template<  | ||
|  |           typename Set | ||
|  |         , typename PosOrKey | ||
|  |         , typename KeyOrNA | ||
|  |         >  | ||
|  |     struct apply | ||
|  |         : aux::set_insert_impl< | ||
|  |               Set | ||
|  |             , typename if_na<KeyOrNA,PosOrKey>::type | ||
|  |             > | ||
|  |     { | ||
|  |     }; | ||
|  | }; | ||
|  | 
 | ||
|  | }} | ||
|  | 
 | ||
|  | #endif // BOOST_MPL_SET_AUX_INSERT_IMPL_HPP_INCLUDED |