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 :  /proc/self/root/usr/include/boost/mpl/aux_/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

#ifndef BOOST_MPL_INSERT_IMPL_HPP_INCLUDED
#define BOOST_MPL_INSERT_IMPL_HPP_INCLUDED

// Copyright Aleksey Gurtovoy 2000-2004
//
// 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/reverse_fold.hpp>
#include <boost/mpl/iterator_range.hpp>
#include <boost/mpl/clear.hpp>
#include <boost/mpl/push_front.hpp>
#include <boost/mpl/aux_/na_spec.hpp>
#include <boost/mpl/aux_/traits_lambda_spec.hpp>
#include <boost/type_traits/is_same.hpp>

namespace boost { namespace mpl {

// default implementation; conrete sequences might override it by 
// specializing either the 'insert_impl' or the primary 'insert' template

template< typename Tag >
struct insert_impl
{
    template<
          typename Sequence
        , typename Pos
        , typename T
        >
    struct apply
    {
        typedef iterator_range<
              typename begin<Sequence>::type
            , Pos
            > first_half_;

        typedef iterator_range<
              Pos
            , typename end<Sequence>::type
            > second_half_;

        typedef typename reverse_fold<
              second_half_
            , typename clear<Sequence>::type
            , push_front<_,_>
            >::type half_sequence_;

        typedef typename reverse_fold<
              first_half_
            , typename push_front<half_sequence_,T>::type
            , push_front<_,_>
            >::type type;
    };
};

BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(3,insert_impl)

}}

#endif // BOOST_MPL_INSERT_IMPL_HPP_INCLUDED