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[857] | 1 | /* Copyright 2003-2005 Joaquín M López Muñoz.
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| 2 | * Distributed under the Boost Software License, Version 1.0.
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| 3 | * (See accompanying file LICENSE_1_0.txt or copy at
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| 4 | * http://www.boost.org/LICENSE_1_0.txt)
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| 5 | *
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| 6 | * See http://www.boost.org/libs/multi_index for library home page.
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| 7 | */
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| 8 |
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| 9 | #ifndef BOOST_MULTI_INDEX_DETAIL_DEF_CTOR_TUPLE_CONS_HPP
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| 10 | #define BOOST_MULTI_INDEX_DETAIL_DEF_CTOR_TUPLE_CONS_HPP
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| 11 |
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| 12 | #if defined(_MSC_VER)&&(_MSC_VER>=1200)
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| 13 | #pragma once
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| 14 | #endif
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| 15 |
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| 16 | #include <boost/config.hpp>
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| 17 |
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| 18 | #if defined(BOOST_MSVC)
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| 19 | /* In MSVC, tuples::cons is not default constructible. We provide a
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| 20 | * tiny wrapper around tuple::cons filling that hole.
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| 21 | */
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| 22 |
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| 23 | #include <boost/tuple/tuple.hpp>
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| 24 |
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| 25 | namespace boost{
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| 26 |
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| 27 | namespace multi_index{
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| 28 |
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| 29 | namespace detail{
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| 30 |
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| 31 | template<typename Cons>
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| 32 | struct default_constructible_tuple_cons:Cons
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| 33 | {
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| 34 | default_constructible_tuple_cons():
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| 35 | Cons(
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| 36 | Cons::head_type(),
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| 37 | static_cast<const Cons::tail_type&>(
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| 38 | default_constructible_tuple_cons<Cons::tail_type>()))
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| 39 | {}
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| 40 |
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| 41 | default_constructible_tuple_cons(const Cons& cons):Cons(cons){}
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| 42 | };
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| 43 |
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| 44 | template<>
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| 45 | struct default_constructible_tuple_cons<tuples::null_type>:tuples::null_type
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| 46 | {
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| 47 | default_constructible_tuple_cons(){}
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| 48 | default_constructible_tuple_cons(const tuples::null_type&){}
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| 49 | };
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| 50 |
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| 51 | } /* namespace multi_index::detail */
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| 52 |
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| 53 | } /* namespace multi_index */
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| 54 |
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| 55 | } /* namespace boost */
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| 56 |
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| 57 | #endif /* BOOST_MSVC */
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| 58 |
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| 59 | #endif
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