add boost on mac
This commit is contained in:
Bassem Girgis
247
macx64/include/boost/multi_index/detail/vartempl_support.hpp
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247
macx64/include/boost/multi_index/detail/vartempl_support.hpp
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/* Copyright 2003-2013 Joaquin M Lopez Munoz.
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*
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* See http://www.boost.org/libs/multi_index for library home page.
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*/
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#ifndef BOOST_MULTI_INDEX_DETAIL_VARTEMPL_SUPPORT_HPP
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#define BOOST_MULTI_INDEX_DETAIL_VARTEMPL_SUPPORT_HPP
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#if defined(_MSC_VER)
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#pragma once
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#endif
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/* Utilities for emulation of variadic template functions. Variadic packs are
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* replaced by lists of BOOST_MULTI_INDEX_LIMIT_VARTEMPL_ARGS parameters:
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*
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* - typename... Args --> BOOST_MULTI_INDEX_TEMPLATE_PARAM_PACK
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* - Args&&... args --> BOOST_MULTI_INDEX_FUNCTION_PARAM_PACK
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* - std::forward<Args>(args)... --> BOOST_MULTI_INDEX_FORWARD_PARAM_PACK
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*
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* Forwarding emulated with Boost.Move. A template functions foo_imp
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* defined in such way accepts *exactly* BOOST_MULTI_INDEX_LIMIT_VARTEMPL_ARGS
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* arguments: variable number of arguments is emulated by providing a set of
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* overloads foo forwarding to foo_impl with
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*
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* BOOST_MULTI_INDEX_OVERLOADS_TO_VARTEMPL
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* BOOST_MULTI_INDEX_OVERLOADS_TO_VARTEMPL_EXTRA_ARG (initial extra arg)
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*
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* which fill the extra args with boost::multi_index::detail::noarg's.
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* boost::multi_index::detail::vartempl_placement_new works the opposite
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* way: it acceps a full a pointer x to Value and a
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* BOOST_MULTI_INDEX_FUNCTION_PARAM_PACK and forwards to
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* new(x) Value(args) where args is the argument pack after discarding
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* noarg's.
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*
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* Emulation decays to the real thing when the compiler supports variadic
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* templates and move semantics natively.
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*/
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#include <boost/config.hpp>
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#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)||\
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defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
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#include <boost/move/core.hpp>
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#include <boost/move/utility.hpp>
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#include <boost/preprocessor/arithmetic/add.hpp>
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#include <boost/preprocessor/arithmetic/sub.hpp>
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#include <boost/preprocessor/cat.hpp>
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#include <boost/preprocessor/control/if.hpp>
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#include <boost/preprocessor/facilities/empty.hpp>
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#include <boost/preprocessor/facilities/intercept.hpp>
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#include <boost/preprocessor/logical/and.hpp>
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#include <boost/preprocessor/punctuation/comma.hpp>
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#include <boost/preprocessor/punctuation/comma_if.hpp>
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#include <boost/preprocessor/repetition/enum.hpp>
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#include <boost/preprocessor/repetition/enum_params.hpp>
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#include <boost/preprocessor/repetition/repeat_from_to.hpp>
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#include <boost/preprocessor/seq/elem.hpp>
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#if !defined(BOOST_MULTI_INDEX_LIMIT_VARTEMPL_ARGS)
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#define BOOST_MULTI_INDEX_LIMIT_VARTEMPL_ARGS 5
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#endif
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#define BOOST_MULTI_INDEX_TEMPLATE_PARAM_PACK \
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BOOST_PP_ENUM_PARAMS( \
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BOOST_MULTI_INDEX_LIMIT_VARTEMPL_ARGS,typename T)
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#define BOOST_MULTI_INDEX_VARTEMPL_ARG(z,n,_) \
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BOOST_FWD_REF(BOOST_PP_CAT(T,n)) BOOST_PP_CAT(t,n)
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#define BOOST_MULTI_INDEX_FUNCTION_PARAM_PACK \
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BOOST_PP_ENUM( \
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BOOST_MULTI_INDEX_LIMIT_VARTEMPL_ARGS, \
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BOOST_MULTI_INDEX_VARTEMPL_ARG,~)
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#define BOOST_MULTI_INDEX_VARTEMPL_FORWARD_ARG(z,n,_) \
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boost::forward<BOOST_PP_CAT(T,n)>(BOOST_PP_CAT(t,n))
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#define BOOST_MULTI_INDEX_FORWARD_PARAM_PACK \
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BOOST_PP_ENUM( \
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BOOST_MULTI_INDEX_LIMIT_VARTEMPL_ARGS, \
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BOOST_MULTI_INDEX_VARTEMPL_FORWARD_ARG,~)
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namespace boost{namespace multi_index{namespace detail{
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struct noarg{};
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}}}
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/* call vartempl function without args */
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#define BOOST_MULTI_INDEX_NULL_PARAM_PACK \
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BOOST_PP_ENUM_PARAMS( \
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BOOST_MULTI_INDEX_LIMIT_VARTEMPL_ARGS, \
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boost::multi_index::detail::noarg() BOOST_PP_INTERCEPT)
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#define BOOST_MULTI_INDEX_TEMPLATE_N(n) \
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template<BOOST_PP_ENUM_PARAMS(n,typename T)>
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#define BOOST_MULTI_INDEX_TEMPLATE_0(n)
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#define BOOST_MULTI_INDEX_OVERLOADS_TO_VARTEMPL_AUX(z,n,data) \
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BOOST_PP_IF(n, \
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BOOST_MULTI_INDEX_TEMPLATE_N, \
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BOOST_MULTI_INDEX_TEMPLATE_0)(n) \
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BOOST_PP_SEQ_ELEM(0,data) /* ret */ \
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BOOST_PP_SEQ_ELEM(1,data) /* name_from */ ( \
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BOOST_PP_ENUM(n,BOOST_MULTI_INDEX_VARTEMPL_ARG,~)) \
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{ \
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return BOOST_PP_SEQ_ELEM(2,data) /* name_to */ ( \
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BOOST_PP_ENUM(n,BOOST_MULTI_INDEX_VARTEMPL_FORWARD_ARG,~) \
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BOOST_PP_COMMA_IF( \
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BOOST_PP_AND( \
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n,BOOST_PP_SUB(BOOST_MULTI_INDEX_LIMIT_VARTEMPL_ARGS,n))) \
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BOOST_PP_ENUM_PARAMS( \
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BOOST_PP_SUB(BOOST_MULTI_INDEX_LIMIT_VARTEMPL_ARGS,n), \
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boost::multi_index::detail::noarg() BOOST_PP_INTERCEPT) \
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); \
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}
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#define BOOST_MULTI_INDEX_OVERLOADS_TO_VARTEMPL( \
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ret,name_from,name_to) \
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BOOST_PP_REPEAT_FROM_TO( \
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0,BOOST_PP_ADD(BOOST_MULTI_INDEX_LIMIT_VARTEMPL_ARGS,1), \
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BOOST_MULTI_INDEX_OVERLOADS_TO_VARTEMPL_AUX, \
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(ret)(name_from)(name_to))
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#define BOOST_MULTI_INDEX_OVERLOADS_TO_VARTEMPL_EXTRA_ARG_AUX( \
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z,n,data) \
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BOOST_PP_IF(n, \
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BOOST_MULTI_INDEX_TEMPLATE_N, \
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BOOST_MULTI_INDEX_TEMPLATE_0)(n) \
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BOOST_PP_SEQ_ELEM(0,data) /* ret */ \
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BOOST_PP_SEQ_ELEM(1,data) /* name_from */ ( \
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BOOST_PP_SEQ_ELEM(3,data) BOOST_PP_SEQ_ELEM(4,data) /* extra arg */\
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BOOST_PP_COMMA_IF(n) \
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BOOST_PP_ENUM(n,BOOST_MULTI_INDEX_VARTEMPL_ARG,~)) \
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{ \
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return BOOST_PP_SEQ_ELEM(2,data) /* name_to */ ( \
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BOOST_PP_SEQ_ELEM(4,data) /* extra_arg_name */ \
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BOOST_PP_COMMA_IF(n) \
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BOOST_PP_ENUM(n,BOOST_MULTI_INDEX_VARTEMPL_FORWARD_ARG,~) \
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BOOST_PP_COMMA_IF( \
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BOOST_PP_SUB(BOOST_MULTI_INDEX_LIMIT_VARTEMPL_ARGS,n)) \
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BOOST_PP_ENUM_PARAMS( \
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BOOST_PP_SUB(BOOST_MULTI_INDEX_LIMIT_VARTEMPL_ARGS,n), \
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boost::multi_index::detail::noarg() BOOST_PP_INTERCEPT) \
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); \
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}
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#define BOOST_MULTI_INDEX_OVERLOADS_TO_VARTEMPL_EXTRA_ARG( \
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ret,name_from,name_to,extra_arg_type,extra_arg_name) \
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BOOST_PP_REPEAT_FROM_TO( \
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0,BOOST_PP_ADD(BOOST_MULTI_INDEX_LIMIT_VARTEMPL_ARGS,1), \
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BOOST_MULTI_INDEX_OVERLOADS_TO_VARTEMPL_EXTRA_ARG_AUX, \
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(ret)(name_from)(name_to)(extra_arg_type)(extra_arg_name))
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namespace boost{
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namespace multi_index{
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namespace detail{
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#define BOOST_MULTI_INDEX_VARTEMPL_TO_PLACEMENT_NEW_AUX(z,n,name) \
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template< \
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typename Value \
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BOOST_PP_COMMA_IF(n) \
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BOOST_PP_ENUM_PARAMS(n,typename T) \
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> \
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Value* name( \
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Value* x \
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BOOST_PP_COMMA_IF(n) \
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BOOST_PP_ENUM(n,BOOST_MULTI_INDEX_VARTEMPL_ARG,~) \
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BOOST_PP_COMMA_IF( \
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BOOST_PP_SUB(BOOST_MULTI_INDEX_LIMIT_VARTEMPL_ARGS,n)) \
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BOOST_PP_ENUM_PARAMS( \
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BOOST_PP_SUB(BOOST_MULTI_INDEX_LIMIT_VARTEMPL_ARGS,n), \
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BOOST_FWD_REF(noarg) BOOST_PP_INTERCEPT)) \
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{ \
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return new(x) Value( \
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BOOST_PP_ENUM(n,BOOST_MULTI_INDEX_VARTEMPL_FORWARD_ARG,~)); \
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}
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#define BOOST_MULTI_INDEX_VARTEMPL_TO_PLACEMENT_NEW(name) \
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BOOST_PP_REPEAT_FROM_TO( \
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0,BOOST_PP_ADD(BOOST_MULTI_INDEX_LIMIT_VARTEMPL_ARGS,1), \
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BOOST_MULTI_INDEX_VARTEMPL_TO_PLACEMENT_NEW_AUX, \
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name)
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BOOST_MULTI_INDEX_VARTEMPL_TO_PLACEMENT_NEW(vartempl_placement_new)
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#undef BOOST_MULTI_INDEX_VARTEMPL_TO_PLACEMENT_NEW_AUX
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#undef BOOST_MULTI_INDEX_VARTEMPL_TO_PLACEMENT_NEW
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} /* namespace multi_index::detail */
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} /* namespace multi_index */
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} /* namespace boost */
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#else
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/* native variadic templates support */
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#include <utility>
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#define BOOST_MULTI_INDEX_TEMPLATE_PARAM_PACK typename... Args
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#define BOOST_MULTI_INDEX_FUNCTION_PARAM_PACK Args&&... args
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#define BOOST_MULTI_INDEX_FORWARD_PARAM_PACK std::forward<Args>(args)...
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#define BOOST_MULTI_INDEX_NULL_PARAM_PACK
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#define BOOST_MULTI_INDEX_OVERLOADS_TO_VARTEMPL( \
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ret,name_from,name_to) \
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template<typename... Args> ret name_from(Args&&... args) \
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{ \
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return name_to(std::forward<Args>(args)...); \
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}
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#define BOOST_MULTI_INDEX_OVERLOADS_TO_VARTEMPL_EXTRA_ARG( \
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ret,name_from,name_to,extra_arg_type,extra_arg_name) \
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template<typename... Args> ret name_from( \
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extra_arg_type extra_arg_name,Args&&... args) \
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{ \
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return name_to(extra_arg_name,std::forward<Args>(args)...); \
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}
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namespace boost{
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namespace multi_index{
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namespace detail{
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template<typename Value,typename... Args>
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Value* vartempl_placement_new(Value*x,Args&&... args)
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{
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return new(x) Value(std::forward<Args>(args)...);
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}
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} /* namespace multi_index::detail */
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} /* namespace multi_index */
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} /* namespace boost */
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#endif
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#endif
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