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/vmd/detail/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

//  (C) Copyright Edward Diener 2011-2015
//  Use, modification and distribution are subject to 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(BOOST_VMD_DETAIL_IS_EMPTY_TUPLE_HPP)
#define BOOST_VMD_DETAIL_IS_EMPTY_TUPLE_HPP

#include <boost/preprocessor/comparison/equal.hpp>
#include <boost/preprocessor/control/iif.hpp>
#include <boost/preprocessor/tuple/elem.hpp>
#include <boost/preprocessor/tuple/size.hpp>
#include <boost/vmd/identity.hpp>
#include <boost/vmd/is_empty.hpp>
#include <boost/vmd/is_tuple.hpp>

#define BOOST_VMD_DETAIL_IS_EMPTY_TUPLE_CEM(tuple) \
    BOOST_VMD_IS_EMPTY(BOOST_PP_TUPLE_ELEM(0,tuple)) \
/**/

#define BOOST_VMD_DETAIL_IS_EMPTY_TUPLE_SIZE(tuple) \
    BOOST_VMD_IDENTITY_RESULT \
        ( \
        BOOST_PP_IIF \
            ( \
            BOOST_PP_EQUAL(BOOST_PP_TUPLE_SIZE(tuple),1), \
            BOOST_VMD_DETAIL_IS_EMPTY_TUPLE_CEM, \
            BOOST_VMD_IDENTITY(0) \
            ) \
        (tuple) \
        ) \
/**/

#define BOOST_VMD_DETAIL_IS_EMPTY_TUPLE_SIZE_D(d,tuple) \
    BOOST_VMD_IDENTITY_RESULT \
        ( \
        BOOST_PP_IIF \
            ( \
            BOOST_PP_EQUAL_D(d,BOOST_PP_TUPLE_SIZE(tuple),1), \
            BOOST_VMD_DETAIL_IS_EMPTY_TUPLE_CEM, \
            BOOST_VMD_IDENTITY(0) \
            ) \
        (tuple) \
        ) \
/**/

#define BOOST_VMD_DETAIL_IS_EMPTY_TUPLE(tuple) \
    BOOST_VMD_IDENTITY_RESULT \
        ( \
        BOOST_PP_IIF \
            ( \
            BOOST_VMD_IS_TUPLE(tuple), \
            BOOST_VMD_DETAIL_IS_EMPTY_TUPLE_SIZE, \
            BOOST_VMD_IDENTITY(0) \
            ) \
        (tuple) \
        ) \
/**/

#define BOOST_VMD_DETAIL_IS_EMPTY_TUPLE_D(d,tuple) \
    BOOST_VMD_IDENTITY_RESULT \
        ( \
        BOOST_PP_IIF \
            ( \
            BOOST_VMD_IS_TUPLE(tuple), \
            BOOST_VMD_DETAIL_IS_EMPTY_TUPLE_SIZE_D, \
            BOOST_VMD_IDENTITY(0) \
            ) \
        (d,tuple) \
        ) \
/**/

#endif /* BOOST_VMD_DETAIL_IS_EMPTY_TUPLE_HPP */