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Diffstat (limited to 'src/third_party/boost-1.69.0/boost/mpl/set/aux_/iterator.hpp')
-rw-r--r-- | src/third_party/boost-1.69.0/boost/mpl/set/aux_/iterator.hpp | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/third_party/boost-1.69.0/boost/mpl/set/aux_/iterator.hpp b/src/third_party/boost-1.69.0/boost/mpl/set/aux_/iterator.hpp new file mode 100644 index 00000000000..9a58a25f2ee --- /dev/null +++ b/src/third_party/boost-1.69.0/boost/mpl/set/aux_/iterator.hpp @@ -0,0 +1,98 @@ + +#ifndef BOOST_MPL_SET_AUX_ITERATOR_HPP_INCLUDED +#define BOOST_MPL_SET_AUX_ITERATOR_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/set/aux_/set0.hpp> +#include <boost/mpl/has_key.hpp> +#include <boost/mpl/iterator_tags.hpp> +#include <boost/mpl/next.hpp> +#include <boost/mpl/eval_if.hpp> +#include <boost/mpl/if.hpp> +#include <boost/mpl/identity.hpp> +#include <boost/mpl/aux_/config/ctps.hpp> + +namespace boost { namespace mpl { + +// used by 's_iter_get' +template< typename Set, typename Tail > struct s_iter; + +template< typename Set, typename Tail > struct s_iter_get + : eval_if< + has_key< Set,typename Tail::item_type_ > + , identity< s_iter<Set,Tail> > + , next< s_iter<Set,Tail> > + > +{ +}; + +template< typename Set, typename Tail > struct s_iter_impl +{ + typedef Tail tail_; + typedef forward_iterator_tag category; + typedef typename Tail::item_type_ type; + +#if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + typedef typename s_iter_get< Set,typename Tail::base >::type next; +#endif +}; + +#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + +template< typename Set, typename Tail > +struct next< s_iter<Set,Tail> > + : s_iter_get< Set,typename Tail::base > +{ +}; + +template< typename Set > +struct next< s_iter<Set,set0<> > > +{ + typedef s_iter<Set,set0<> > type; +}; + +template< typename Set, typename Tail > struct s_iter + : s_iter_impl<Set,Tail> +{ +}; + +template< typename Set > struct s_iter<Set, set0<> > +{ + typedef forward_iterator_tag category; +}; + +#else + +template< typename Set > +struct s_end_iter +{ + typedef forward_iterator_tag category; + typedef s_iter<Set,set0<> > next; +}; + +template< typename Set, typename Tail > struct s_iter + : if_< + is_same< Tail,set0<> > + , s_end_iter<Set> + , s_iter_impl<Set,Tail> + >::type +{ +}; + +#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION + +}} + +#endif // BOOST_MPL_SET_AUX_ITERATOR_HPP_INCLUDED |