552 lines
15 KiB
C++
552 lines
15 KiB
C++
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#if !defined(BOOST_PP_IS_ITERATING)
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///// header body
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#ifndef BOOST_MPL_BIND_HPP_INCLUDED
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#define BOOST_MPL_BIND_HPP_INCLUDED
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// Copyright Peter Dimov 2001
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// Copyright Aleksey Gurtovoy 2001-2004
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//
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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/mpl for documentation.
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// $Id$
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// $Date$
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// $Revision$
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#if !defined(BOOST_MPL_PREPROCESSING_MODE)
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# include <boost/mpl/bind_fwd.hpp>
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# include <boost/mpl/placeholders.hpp>
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# include <boost/mpl/next.hpp>
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# include <boost/mpl/protect.hpp>
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# include <boost/mpl/apply_wrap.hpp>
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# include <boost/mpl/limits/arity.hpp>
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# include <boost/mpl/aux_/na.hpp>
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# include <boost/mpl/aux_/arity_spec.hpp>
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# include <boost/mpl/aux_/type_wrapper.hpp>
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# include <boost/mpl/aux_/yes_no.hpp>
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# if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
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# include <boost/type_traits/is_reference.hpp>
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# endif
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#endif
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#include <boost/mpl/aux_/config/bind.hpp>
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#include <boost/mpl/aux_/config/static_constant.hpp>
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#include <boost/mpl/aux_/config/use_preprocessed.hpp>
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#if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \
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&& !defined(BOOST_MPL_PREPROCESSING_MODE)
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# if defined(BOOST_MPL_CFG_NO_UNNAMED_PLACEHOLDER_SUPPORT)
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# define BOOST_MPL_PREPROCESSED_HEADER basic_bind.hpp
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# else
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# define BOOST_MPL_PREPROCESSED_HEADER bind.hpp
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# endif
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# include <boost/mpl/aux_/include_preprocessed.hpp>
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#else
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# include <boost/mpl/aux_/preprocessor/params.hpp>
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# include <boost/mpl/aux_/preprocessor/default_params.hpp>
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# include <boost/mpl/aux_/preprocessor/def_params_tail.hpp>
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# include <boost/mpl/aux_/preprocessor/partial_spec_params.hpp>
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# include <boost/mpl/aux_/preprocessor/ext_params.hpp>
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# include <boost/mpl/aux_/preprocessor/repeat.hpp>
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# include <boost/mpl/aux_/preprocessor/enum.hpp>
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# include <boost/mpl/aux_/preprocessor/add.hpp>
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# include <boost/mpl/aux_/config/dmc_ambiguous_ctps.hpp>
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# include <boost/mpl/aux_/config/ctps.hpp>
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# include <boost/mpl/aux_/config/ttp.hpp>
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# include <boost/mpl/aux_/config/dtp.hpp>
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# include <boost/mpl/aux_/nttp_decl.hpp>
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# include <boost/preprocessor/iterate.hpp>
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# include <boost/preprocessor/comma_if.hpp>
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# include <boost/preprocessor/cat.hpp>
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# include <boost/preprocessor/inc.hpp>
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namespace boost { namespace mpl {
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// local macros, #undef-ined at the end of the header
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# define AUX778076_APPLY \
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BOOST_PP_CAT(apply_wrap,BOOST_MPL_LIMIT_METAFUNCTION_ARITY) \
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/**/
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# if defined(BOOST_MPL_CFG_DMC_AMBIGUOUS_CTPS)
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# define AUX778076_DMC_PARAM() , int dummy_
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# else
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# define AUX778076_DMC_PARAM()
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# endif
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# define AUX778076_BIND_PARAMS(param) \
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BOOST_MPL_PP_PARAMS( \
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BOOST_MPL_LIMIT_METAFUNCTION_ARITY \
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, param \
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) \
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/**/
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# define AUX778076_BIND_DEFAULT_PARAMS(param, value) \
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BOOST_MPL_PP_DEFAULT_PARAMS( \
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BOOST_MPL_LIMIT_METAFUNCTION_ARITY \
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, param \
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, value \
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) \
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/**/
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# define AUX778076_BIND_N_PARAMS(n, param) \
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BOOST_PP_COMMA_IF(n) BOOST_MPL_PP_PARAMS(n, param) \
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/**/
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# define AUX778076_BIND_N_SPEC_PARAMS(n, param, def) \
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BOOST_PP_COMMA_IF(n) \
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BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(n, param, def) \
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/**/
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#if !defined(BOOST_MPL_CFG_NO_DEFAULT_PARAMETERS_IN_NESTED_TEMPLATES)
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# define AUX778076_BIND_NESTED_DEFAULT_PARAMS(param, value) \
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AUX778076_BIND_DEFAULT_PARAMS(param, value) \
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/**/
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#else
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# define AUX778076_BIND_NESTED_DEFAULT_PARAMS(param, value) \
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AUX778076_BIND_PARAMS(param) \
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/**/
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#endif
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namespace aux {
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#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
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template<
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typename T, AUX778076_BIND_PARAMS(typename U)
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>
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struct resolve_bind_arg
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{
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typedef T type;
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};
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# if !defined(BOOST_MPL_CFG_NO_UNNAMED_PLACEHOLDER_SUPPORT)
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template<
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typename T
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, typename Arg
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>
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struct replace_unnamed_arg
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{
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typedef Arg next;
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typedef T type;
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};
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template<
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typename Arg
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>
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struct replace_unnamed_arg< arg<-1>,Arg >
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{
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typedef typename Arg::next next;
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typedef Arg type;
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};
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# endif // BOOST_MPL_CFG_NO_UNNAMED_PLACEHOLDER_SUPPORT
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template<
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BOOST_MPL_AUX_NTTP_DECL(int, N), AUX778076_BIND_PARAMS(typename U)
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>
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struct resolve_bind_arg< arg<N>,AUX778076_BIND_PARAMS(U) >
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{
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typedef typename AUX778076_APPLY<mpl::arg<N>, AUX778076_BIND_PARAMS(U)>::type type;
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};
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#if !defined(BOOST_MPL_CFG_NO_BIND_TEMPLATE)
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template<
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typename F, AUX778076_BIND_PARAMS(typename T), AUX778076_BIND_PARAMS(typename U)
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>
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struct resolve_bind_arg< bind<F,AUX778076_BIND_PARAMS(T)>,AUX778076_BIND_PARAMS(U) >
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{
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typedef bind<F,AUX778076_BIND_PARAMS(T)> f_;
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typedef typename AUX778076_APPLY<f_, AUX778076_BIND_PARAMS(U)>::type type;
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};
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#endif
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#else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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// agurt, 15/jan/02: it's not a intended to be used as a function class, and
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// MSVC6.5 has problems with 'apply' name here (the code compiles, but doesn't
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// work), so I went with the 'result_' here, and in all other similar cases
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template< bool >
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struct resolve_arg_impl
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{
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template< typename T, AUX778076_BIND_PARAMS(typename U) > struct result_
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{
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typedef T type;
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};
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};
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template<>
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struct resolve_arg_impl<true>
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{
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template< typename T, AUX778076_BIND_PARAMS(typename U) > struct result_
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{
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typedef typename AUX778076_APPLY<
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T
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, AUX778076_BIND_PARAMS(U)
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>::type type;
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};
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};
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// for 'resolve_bind_arg'
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template< typename T > struct is_bind_template;
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template<
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typename T, AUX778076_BIND_PARAMS(typename U)
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>
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struct resolve_bind_arg
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: resolve_arg_impl< is_bind_template<T>::value >
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::template result_< T,AUX778076_BIND_PARAMS(U) >
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{
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};
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# if !defined(BOOST_MPL_CFG_NO_UNNAMED_PLACEHOLDER_SUPPORT)
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template< typename T >
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struct replace_unnamed_arg_impl
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{
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template< typename Arg > struct result_
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{
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typedef Arg next;
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typedef T type;
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};
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};
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template<>
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struct replace_unnamed_arg_impl< arg<-1> >
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{
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template< typename Arg > struct result_
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{
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typedef typename next<Arg>::type next;
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typedef Arg type;
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};
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};
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template< typename T, typename Arg >
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struct replace_unnamed_arg
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: replace_unnamed_arg_impl<T>::template result_<Arg>
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{
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};
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# endif // BOOST_MPL_CFG_NO_UNNAMED_PLACEHOLDER_SUPPORT
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// agurt, 10/mar/02: the forward declaration has to appear before any of
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// 'is_bind_helper' overloads, otherwise MSVC6.5 issues an ICE on it
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template< BOOST_MPL_AUX_NTTP_DECL(int, arity_) > struct bind_chooser;
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aux::no_tag is_bind_helper(...);
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template< typename T > aux::no_tag is_bind_helper(protect<T>*);
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// overload for "main" form
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// agurt, 15/mar/02: MSVC 6.5 fails to properly resolve the overload
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// in case if we use 'aux::type_wrapper< bind<...> >' here, and all
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// 'bind' instantiations form a complete type anyway
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#if !defined(BOOST_MPL_CFG_NO_BIND_TEMPLATE)
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template<
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typename F, AUX778076_BIND_PARAMS(typename T)
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>
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aux::yes_tag is_bind_helper(bind<F,AUX778076_BIND_PARAMS(T)>*);
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#endif
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template< BOOST_MPL_AUX_NTTP_DECL(int, N) >
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aux::yes_tag is_bind_helper(arg<N>*);
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template< bool is_ref_ = true >
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struct is_bind_template_impl
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{
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template< typename T > struct result_
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{
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BOOST_STATIC_CONSTANT(bool, value = false);
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};
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};
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template<>
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struct is_bind_template_impl<false>
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{
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template< typename T > struct result_
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{
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BOOST_STATIC_CONSTANT(bool, value =
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sizeof(aux::is_bind_helper(static_cast<T*>(0)))
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== sizeof(aux::yes_tag)
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);
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};
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};
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template< typename T > struct is_bind_template
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: is_bind_template_impl< ::boost::detail::is_reference_impl<T>::value >
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::template result_<T>
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{
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};
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#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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} // namespace aux
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#define BOOST_PP_ITERATION_PARAMS_1 \
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(3,(0, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/bind.hpp>))
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#include BOOST_PP_ITERATE()
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#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \
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&& !defined(BOOST_MPL_CFG_NO_TEMPLATE_TEMPLATE_PARAMETERS)
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/// if_/eval_if specializations
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# define AUX778076_SPEC_NAME if_
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# define BOOST_PP_ITERATION_PARAMS_1 (3,(3, 3, <boost/mpl/bind.hpp>))
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# include BOOST_PP_ITERATE()
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#if !defined(BOOST_MPL_CFG_DMC_AMBIGUOUS_CTPS)
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# define AUX778076_SPEC_NAME eval_if
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# define BOOST_PP_ITERATION_PARAMS_1 (3,(3, 3, <boost/mpl/bind.hpp>))
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# include BOOST_PP_ITERATE()
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#endif
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#endif
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// real C++ version is already taken care of
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#if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) \
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&& !defined(BOOST_MPL_CFG_NO_BIND_TEMPLATE)
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namespace aux {
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// apply_count_args
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#define AUX778076_COUNT_ARGS_PREFIX bind
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#define AUX778076_COUNT_ARGS_DEFAULT na
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#define AUX778076_COUNT_ARGS_ARITY BOOST_MPL_LIMIT_METAFUNCTION_ARITY
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#include <boost/mpl/aux_/count_args.hpp>
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}
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// bind
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template<
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typename F, AUX778076_BIND_PARAMS(typename T) AUX778076_DMC_PARAM()
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>
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struct bind
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: aux::bind_chooser<
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aux::bind_count_args<AUX778076_BIND_PARAMS(T)>::value
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>::template result_< F,AUX778076_BIND_PARAMS(T) >::type
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{
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};
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BOOST_MPL_AUX_ARITY_SPEC(
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BOOST_PP_INC(BOOST_MPL_LIMIT_METAFUNCTION_ARITY)
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, bind
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)
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BOOST_MPL_AUX_TEMPLATE_ARITY_SPEC(
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BOOST_PP_INC(BOOST_MPL_LIMIT_METAFUNCTION_ARITY)
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, bind
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)
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#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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# undef AUX778076_BIND_NESTED_DEFAULT_PARAMS
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# undef AUX778076_BIND_N_SPEC_PARAMS
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# undef AUX778076_BIND_N_PARAMS
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# undef AUX778076_BIND_DEFAULT_PARAMS
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# undef AUX778076_BIND_PARAMS
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# undef AUX778076_DMC_PARAM
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# undef AUX778076_APPLY
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}}
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#endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
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#endif // BOOST_MPL_BIND_HPP_INCLUDED
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///// iteration, depth == 1
|
||
|
|
|
||
|
|
// For gcc 4.4 compatability, we must include the
|
||
|
|
// BOOST_PP_ITERATION_DEPTH test inside an #else clause.
|
||
|
|
#else // BOOST_PP_IS_ITERATING
|
||
|
|
#if BOOST_PP_ITERATION_DEPTH() == 1
|
||
|
|
|
||
|
|
# define i_ BOOST_PP_FRAME_ITERATION(1)
|
||
|
|
|
||
|
|
#if defined(AUX778076_SPEC_NAME)
|
||
|
|
|
||
|
|
// lazy metafunction specialization
|
||
|
|
template< template< BOOST_MPL_PP_PARAMS(i_, typename T) > class F, typename Tag >
|
||
|
|
struct BOOST_PP_CAT(quote,i_);
|
||
|
|
|
||
|
|
template< BOOST_MPL_PP_PARAMS(i_, typename T) > struct AUX778076_SPEC_NAME;
|
||
|
|
|
||
|
|
template<
|
||
|
|
typename Tag AUX778076_BIND_N_PARAMS(i_, typename T)
|
||
|
|
>
|
||
|
|
struct BOOST_PP_CAT(bind,i_)<
|
||
|
|
BOOST_PP_CAT(quote,i_)<AUX778076_SPEC_NAME,Tag>
|
||
|
|
AUX778076_BIND_N_PARAMS(i_,T)
|
||
|
|
>
|
||
|
|
{
|
||
|
|
template<
|
||
|
|
AUX778076_BIND_NESTED_DEFAULT_PARAMS(typename U, na)
|
||
|
|
>
|
||
|
|
struct apply
|
||
|
|
{
|
||
|
|
private:
|
||
|
|
typedef mpl::arg<1> n1;
|
||
|
|
# define BOOST_PP_ITERATION_PARAMS_2 (3,(1, i_, <boost/mpl/bind.hpp>))
|
||
|
|
# include BOOST_PP_ITERATE()
|
||
|
|
|
||
|
|
typedef typename AUX778076_SPEC_NAME<
|
||
|
|
typename t1::type
|
||
|
|
, BOOST_MPL_PP_EXT_PARAMS(2, BOOST_PP_INC(i_), t)
|
||
|
|
>::type f_;
|
||
|
|
|
||
|
|
public:
|
||
|
|
typedef typename f_::type type;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
#undef AUX778076_SPEC_NAME
|
||
|
|
|
||
|
|
#else // AUX778076_SPEC_NAME
|
||
|
|
|
||
|
|
template<
|
||
|
|
typename F AUX778076_BIND_N_PARAMS(i_, typename T) AUX778076_DMC_PARAM()
|
||
|
|
>
|
||
|
|
struct BOOST_PP_CAT(bind,i_)
|
||
|
|
{
|
||
|
|
template<
|
||
|
|
AUX778076_BIND_NESTED_DEFAULT_PARAMS(typename U, na)
|
||
|
|
>
|
||
|
|
struct apply
|
||
|
|
{
|
||
|
|
private:
|
||
|
|
# if !defined(BOOST_MPL_CFG_NO_UNNAMED_PLACEHOLDER_SUPPORT)
|
||
|
|
|
||
|
|
typedef aux::replace_unnamed_arg< F,mpl::arg<1> > r0;
|
||
|
|
typedef typename r0::type a0;
|
||
|
|
typedef typename r0::next n1;
|
||
|
|
typedef typename aux::resolve_bind_arg<a0,AUX778076_BIND_PARAMS(U)>::type f_;
|
||
|
|
///
|
||
|
|
# else
|
||
|
|
typedef typename aux::resolve_bind_arg<F,AUX778076_BIND_PARAMS(U)>::type f_;
|
||
|
|
|
||
|
|
# endif // BOOST_MPL_CFG_NO_UNNAMED_PLACEHOLDER_SUPPORT
|
||
|
|
|
||
|
|
# if i_ > 0
|
||
|
|
# define BOOST_PP_ITERATION_PARAMS_2 (3,(1, i_, <boost/mpl/bind.hpp>))
|
||
|
|
# include BOOST_PP_ITERATE()
|
||
|
|
# endif
|
||
|
|
|
||
|
|
public:
|
||
|
|
|
||
|
|
# define AUX778076_ARG(unused, i_, t) \
|
||
|
|
BOOST_PP_COMMA_IF(i_) \
|
||
|
|
typename BOOST_PP_CAT(t,BOOST_PP_INC(i_))::type \
|
||
|
|
/**/
|
||
|
|
|
||
|
|
typedef typename BOOST_PP_CAT(apply_wrap,i_)<
|
||
|
|
f_
|
||
|
|
BOOST_PP_COMMA_IF(i_) BOOST_MPL_PP_REPEAT(i_, AUX778076_ARG, t)
|
||
|
|
>::type type;
|
||
|
|
|
||
|
|
# undef AUX778076_ARG
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
namespace aux {
|
||
|
|
|
||
|
|
#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
|
||
|
|
|
||
|
|
template<
|
||
|
|
typename F AUX778076_BIND_N_PARAMS(i_, typename T), AUX778076_BIND_PARAMS(typename U)
|
||
|
|
>
|
||
|
|
struct resolve_bind_arg<
|
||
|
|
BOOST_PP_CAT(bind,i_)<F AUX778076_BIND_N_PARAMS(i_,T)>,AUX778076_BIND_PARAMS(U)
|
||
|
|
>
|
||
|
|
{
|
||
|
|
typedef BOOST_PP_CAT(bind,i_)<F AUX778076_BIND_N_PARAMS(i_,T)> f_;
|
||
|
|
typedef typename AUX778076_APPLY<f_, AUX778076_BIND_PARAMS(U)>::type type;
|
||
|
|
};
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
template<
|
||
|
|
typename F AUX778076_BIND_N_PARAMS(i_, typename T)
|
||
|
|
>
|
||
|
|
aux::yes_tag
|
||
|
|
is_bind_helper(BOOST_PP_CAT(bind,i_)<F AUX778076_BIND_N_PARAMS(i_,T)>*);
|
||
|
|
|
||
|
|
#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
|
||
|
|
|
||
|
|
} // namespace aux
|
||
|
|
|
||
|
|
BOOST_MPL_AUX_ARITY_SPEC(BOOST_PP_INC(i_), BOOST_PP_CAT(bind,i_))
|
||
|
|
BOOST_MPL_AUX_TEMPLATE_ARITY_SPEC(BOOST_PP_INC(i_), BOOST_PP_CAT(bind,i_))
|
||
|
|
|
||
|
|
# if !defined(BOOST_MPL_CFG_NO_BIND_TEMPLATE)
|
||
|
|
# if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
|
||
|
|
|
||
|
|
#if i_ == BOOST_MPL_LIMIT_METAFUNCTION_ARITY
|
||
|
|
/// primary template (not a specialization!)
|
||
|
|
template<
|
||
|
|
typename F AUX778076_BIND_N_PARAMS(i_, typename T) AUX778076_DMC_PARAM()
|
||
|
|
>
|
||
|
|
struct bind
|
||
|
|
: BOOST_PP_CAT(bind,i_)<F AUX778076_BIND_N_PARAMS(i_,T) >
|
||
|
|
{
|
||
|
|
};
|
||
|
|
#else
|
||
|
|
template<
|
||
|
|
typename F AUX778076_BIND_N_PARAMS(i_, typename T) AUX778076_DMC_PARAM()
|
||
|
|
>
|
||
|
|
struct bind< F AUX778076_BIND_N_SPEC_PARAMS(i_, T, na) >
|
||
|
|
: BOOST_PP_CAT(bind,i_)<F AUX778076_BIND_N_PARAMS(i_,T) >
|
||
|
|
{
|
||
|
|
};
|
||
|
|
#endif
|
||
|
|
|
||
|
|
# else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
|
||
|
|
|
||
|
|
namespace aux {
|
||
|
|
|
||
|
|
template<>
|
||
|
|
struct bind_chooser<i_>
|
||
|
|
{
|
||
|
|
template<
|
||
|
|
typename F, AUX778076_BIND_PARAMS(typename T)
|
||
|
|
>
|
||
|
|
struct result_
|
||
|
|
{
|
||
|
|
typedef BOOST_PP_CAT(bind,i_)< F AUX778076_BIND_N_PARAMS(i_,T) > type;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace aux
|
||
|
|
|
||
|
|
# endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
|
||
|
|
# endif // BOOST_MPL_CFG_NO_BIND_TEMPLATE
|
||
|
|
|
||
|
|
#endif // AUX778076_SPEC_NAME
|
||
|
|
|
||
|
|
# undef i_
|
||
|
|
|
||
|
|
///// iteration, depth == 2
|
||
|
|
|
||
|
|
#elif BOOST_PP_ITERATION_DEPTH() == 2
|
||
|
|
|
||
|
|
# define j_ BOOST_PP_FRAME_ITERATION(2)
|
||
|
|
# if !defined(BOOST_MPL_CFG_NO_UNNAMED_PLACEHOLDER_SUPPORT)
|
||
|
|
|
||
|
|
typedef aux::replace_unnamed_arg< BOOST_PP_CAT(T,j_),BOOST_PP_CAT(n,j_) > BOOST_PP_CAT(r,j_);
|
||
|
|
typedef typename BOOST_PP_CAT(r,j_)::type BOOST_PP_CAT(a,j_);
|
||
|
|
typedef typename BOOST_PP_CAT(r,j_)::next BOOST_PP_CAT(n,BOOST_PP_INC(j_));
|
||
|
|
typedef aux::resolve_bind_arg<BOOST_PP_CAT(a,j_), AUX778076_BIND_PARAMS(U)> BOOST_PP_CAT(t,j_);
|
||
|
|
///
|
||
|
|
# else
|
||
|
|
typedef aux::resolve_bind_arg< BOOST_PP_CAT(T,j_),AUX778076_BIND_PARAMS(U)> BOOST_PP_CAT(t,j_);
|
||
|
|
|
||
|
|
# endif
|
||
|
|
# undef j_
|
||
|
|
|
||
|
|
#endif // BOOST_PP_ITERATION_DEPTH()
|
||
|
|
#endif // BOOST_PP_IS_ITERATING
|