Server : Apache/2.4.41 (Ubuntu) System : Linux absol.cf 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /usr/include/boost/fusion/view/reverse_view/detail/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

/*=============================================================================
    Copyright (c) 2001-2011 Joel de Guzman
    Copyright (c) 2005-2006 Dan Marsden

    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)
==============================================================================*/
#if !defined(FUSION_ADVANCE_IMPL_14122005_2015)
#define FUSION_ADVANCE_IMPL_14122005_2015

#include <boost/fusion/support/config.hpp>
#include <boost/fusion/iterator/advance.hpp>
#include <boost/mpl/negate.hpp>

namespace boost { namespace fusion {

    struct reverse_view_iterator_tag;

    template <typename Iterator>
    struct reverse_view_iterator;

    namespace extension
    {
        template<typename Tag>
        struct advance_impl;

        template<>
        struct advance_impl<reverse_view_iterator_tag>
        {
            template<typename Iterator, typename Dist>
            struct apply
            {
                typedef typename Iterator::first_type first_type;
                typedef typename mpl::negate<Dist>::type negative_dist;
                typedef typename result_of::advance<first_type, negative_dist>::type advanced_type;
                typedef reverse_view_iterator<advanced_type> type;

                BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
                static type
                call(Iterator const& i)
                {
                    return type(boost::fusion::advance<negative_dist>(i.first));
                }
            };
        };
    }
}}

#endif