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- // Boost.TypeErasure library
- //
- // Copyright 2011 Steven Watanabe
- //
- // 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)
- //
- // $Id$
- #if !defined(BOOST_PP_IS_ITERATING)
- #ifndef BOOST_TYPE_ERASURE_DETAIL_CONSTRUCT_HPP_INCLUDED
- #define BOOST_TYPE_ERASURE_DETAIL_CONSTRUCT_HPP_INCLUDED
- #define BOOST_PP_FILENAME_1 <boost/type_erasure/detail/construct.hpp>
- #define BOOST_PP_ITERATION_LIMITS (1, BOOST_TYPE_ERASURE_MAX_ARITY)
- #include BOOST_PP_ITERATE()
- #endif
- #else
- #define N BOOST_PP_ITERATION()
- #ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
- #define BOOST_TYPE_ERASURE_FORWARD_I(z, n, data) ::std::forward<BOOST_PP_CAT(U, n)>(BOOST_PP_CAT(u, n))
- #define BOOST_TYPE_ERASURE_FORWARD(n) BOOST_PP_ENUM(n, BOOST_TYPE_ERASURE_FORWARD_I, ~)
- #if N > 1
- template<
- class R
- BOOST_PP_ENUM_TRAILING_PARAMS(N, class A)
- BOOST_PP_ENUM_TRAILING_PARAMS(N, class U)
- >
- const table_type& _boost_type_erasure_extract_table(
- ::boost::type_erasure::constructible<R(BOOST_PP_ENUM_PARAMS(N, A))>*
- BOOST_PP_ENUM_TRAILING_BINARY_PARAMS(N, U, &u))
- {
- return *::boost::type_erasure::detail::BOOST_PP_CAT(extract_table, N)(
- (R(*)(BOOST_PP_ENUM_PARAMS(N, A)))0,
- BOOST_PP_ENUM_PARAMS(N, u));
- }
- template<BOOST_PP_ENUM_PARAMS(N, class U)>
- any(BOOST_PP_ENUM_BINARY_PARAMS(N, U, &&u))
- : table(
- _boost_type_erasure_extract_table(
- false? this->_boost_type_erasure_deduce_constructor(BOOST_TYPE_ERASURE_FORWARD(N)) : 0
- BOOST_PP_ENUM_TRAILING_PARAMS(N, u)
- )
- ),
- data(::boost::type_erasure::call(
- ::boost::type_erasure::detail::make(
- false? this->_boost_type_erasure_deduce_constructor(BOOST_TYPE_ERASURE_FORWARD(N)) : 0
- ), BOOST_TYPE_ERASURE_FORWARD(N))
- )
- {}
- #endif
- template<BOOST_PP_ENUM_PARAMS(N, class U)>
- any(const binding<Concept>& binding_arg BOOST_PP_ENUM_TRAILING_BINARY_PARAMS(N, U, &&u))
- : table(binding_arg),
- data(
- ::boost::type_erasure::call(
- binding_arg,
- ::boost::type_erasure::detail::make(
- false? this->_boost_type_erasure_deduce_constructor(BOOST_TYPE_ERASURE_FORWARD(N)) : 0
- )
- BOOST_PP_COMMA_IF(N)
- BOOST_TYPE_ERASURE_FORWARD(N)
- )
- )
- {}
- // disambiguate
- template<BOOST_PP_ENUM_PARAMS(N, class U)>
- any(binding<Concept>& binding_arg BOOST_PP_ENUM_TRAILING_BINARY_PARAMS(N, U, &&u))
- : table(binding_arg),
- data(
- ::boost::type_erasure::call(
- binding_arg,
- ::boost::type_erasure::detail::make(
- false? this->_boost_type_erasure_deduce_constructor(BOOST_TYPE_ERASURE_FORWARD(N)) : 0
- )
- BOOST_PP_COMMA_IF(N)
- BOOST_TYPE_ERASURE_FORWARD(N)
- )
- )
- {}
- // disambiguate
- template<BOOST_PP_ENUM_PARAMS(N, class U)>
- any(binding<Concept>&& binding_arg BOOST_PP_ENUM_TRAILING_BINARY_PARAMS(N, U, &&u))
- : table(binding_arg),
- data(
- ::boost::type_erasure::call(
- binding_arg,
- ::boost::type_erasure::detail::make(
- false? this->_boost_type_erasure_deduce_constructor(BOOST_TYPE_ERASURE_FORWARD(N)) : 0
- )
- BOOST_PP_COMMA_IF(N)
- BOOST_TYPE_ERASURE_FORWARD(N)
- )
- )
- {}
- #undef BOOST_TYPE_ERASURE_FORWARD
- #undef BOOST_TYPE_ERASURE_FORWARD_I
- #else
- #if N > 1
- template<
- class R
- BOOST_PP_ENUM_TRAILING_PARAMS(N, class A)
- BOOST_PP_ENUM_TRAILING_PARAMS(N, class U)
- >
- const table_type& _boost_type_erasure_extract_table(
- ::boost::type_erasure::constructible<R(BOOST_PP_ENUM_PARAMS(N, A))>*
- BOOST_PP_ENUM_TRAILING_BINARY_PARAMS(N, U, &u))
- {
- return *::boost::type_erasure::detail::BOOST_PP_CAT(extract_table, N)(
- (R(*)(BOOST_PP_ENUM_PARAMS(N, A)))0,
- BOOST_PP_ENUM_PARAMS(N, u));
- }
- template<BOOST_PP_ENUM_PARAMS(N, class U)>
- any(BOOST_PP_ENUM_BINARY_PARAMS(N, const U, &u))
- : table(
- _boost_type_erasure_extract_table(
- false? this->_boost_type_erasure_deduce_constructor(BOOST_PP_ENUM_PARAMS(N, u)) : 0
- BOOST_PP_ENUM_TRAILING_PARAMS(N, u)
- )
- ),
- data(::boost::type_erasure::call(
- ::boost::type_erasure::detail::make(
- false? this->_boost_type_erasure_deduce_constructor(BOOST_PP_ENUM_PARAMS(N, u)) : 0
- ), BOOST_PP_ENUM_PARAMS(N, u))
- )
- {}
- template<BOOST_PP_ENUM_PARAMS(N, class U)>
- any(BOOST_PP_ENUM_BINARY_PARAMS(N, U, &u))
- : table(
- _boost_type_erasure_extract_table(
- false? this->_boost_type_erasure_deduce_constructor(BOOST_PP_ENUM_PARAMS(N, u)) : 0
- BOOST_PP_ENUM_TRAILING_PARAMS(N, u)
- )
- ),
- data(::boost::type_erasure::call(
- ::boost::type_erasure::detail::make(
- false? this->_boost_type_erasure_deduce_constructor(BOOST_PP_ENUM_PARAMS(N, u)) : 0
- ), BOOST_PP_ENUM_PARAMS(N, u))
- )
- {}
- #endif
- template<BOOST_PP_ENUM_PARAMS(N, class U)>
- any(const binding<Concept>& binding_arg BOOST_PP_ENUM_TRAILING_BINARY_PARAMS(N, const U, &u))
- : table(binding_arg),
- data(
- ::boost::type_erasure::call(
- binding_arg,
- ::boost::type_erasure::detail::make(
- false? this->_boost_type_erasure_deduce_constructor(BOOST_PP_ENUM_PARAMS(N, u)) : 0
- )
- BOOST_PP_ENUM_TRAILING_PARAMS(N, u)
- )
- )
- {}
- template<BOOST_PP_ENUM_PARAMS(N, class U)>
- any(const binding<Concept>& binding_arg BOOST_PP_ENUM_TRAILING_BINARY_PARAMS(N, U, &u))
- : table(binding_arg),
- data(
- ::boost::type_erasure::call(
- binding_arg,
- ::boost::type_erasure::detail::make(
- false? this->_boost_type_erasure_deduce_constructor(BOOST_PP_ENUM_PARAMS(N, u)) : 0
- )
- BOOST_PP_ENUM_TRAILING_PARAMS(N, u)
- )
- )
- {}
- // disambiguate
- template<BOOST_PP_ENUM_PARAMS(N, class U)>
- any(binding<Concept>& binding_arg BOOST_PP_ENUM_TRAILING_BINARY_PARAMS(N, U, &u))
- : table(binding_arg),
- data(
- ::boost::type_erasure::call(
- binding_arg,
- ::boost::type_erasure::detail::make(
- false? this->_boost_type_erasure_deduce_constructor(BOOST_PP_ENUM_PARAMS(N, u)) : 0
- )
- BOOST_PP_ENUM_TRAILING_PARAMS(N, u)
- )
- )
- {}
- #endif
- #undef N
- #endif
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