text: # /* **************************************************************************
  #  *                                                                          *
  #  *     (C) Copyright Edward Diener 2013.
  #  *     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 for most recent version. */
  #
  # ifndef BOOST_PREPROCESSOR_TUPLE_REMOVE_HPP
  # define BOOST_PREPROCESSOR_TUPLE_REMOVE_HPP
  #
  # include <boost/preprocessor/config/config.hpp>
  #
  # if BOOST_PP_VARIADICS
  #
  # include <boost/preprocessor/array/remove.hpp>
  # include <boost/preprocessor/array/to_tuple.hpp>
  # include <boost/preprocessor/comparison/greater.hpp>
  # include <boost/preprocessor/control/iif.hpp>
  # include <boost/preprocessor/tuple/size.hpp>
  # include <boost/preprocessor/tuple/to_array.hpp>
  #
  # /* BOOST_PP_TUPLE_REMOVE */
  #
  # define BOOST_PP_TUPLE_REMOVE(tuple, i) \
  	BOOST_PP_IIF \
  		( \
  		BOOST_PP_GREATER(BOOST_PP_TUPLE_SIZE(tuple),1), \
  		BOOST_PP_TUPLE_REMOVE_EXEC, \
  		BOOST_PP_TUPLE_REMOVE_RETURN \
  		) \
  	(tuple, i) \
  /**/
  #
  # define BOOST_PP_TUPLE_REMOVE_EXEC(tuple, i) \
  	BOOST_PP_ARRAY_TO_TUPLE(BOOST_PP_ARRAY_REMOVE(BOOST_PP_TUPLE_TO_ARRAY(tuple), i)) \
  /**/
  #
  # define BOOST_PP_TUPLE_REMOVE_RETURN(tuple, i) tuple
  #
  # /* BOOST_PP_TUPLE_REMOVE_D */
  #
  # define BOOST_PP_TUPLE_REMOVE_D(d, tuple, i) \
  	BOOST_PP_IIF \
  		( \
  		BOOST_PP_GREATER_D(d, BOOST_PP_TUPLE_SIZE(tuple), 1), \
  		BOOST_PP_TUPLE_REMOVE_D_EXEC, \
  		BOOST_PP_TUPLE_REMOVE_D_RETURN \
  		) \
  	(d, tuple, i) \
  /**/
  #
  # define BOOST_PP_TUPLE_REMOVE_D_EXEC(d, tuple, i) \
  	BOOST_PP_ARRAY_TO_TUPLE(BOOST_PP_ARRAY_REMOVE_D(d, BOOST_PP_TUPLE_TO_ARRAY(tuple), i)) \
  /**/
  #
  # define BOOST_PP_TUPLE_REMOVE_D_RETURN(d, tuple, i) tuple
  #
  # endif // BOOST_PP_VARIADICS
  #
  # endif // BOOST_PREPROCESSOR_TUPLE_REMOVE_HPP
  