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// Boost.Bimap
//
// Copyright (c) 2006-2007 Matias Capeletto
//
// 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)
/// \file list_of.hpp
/// \brief Include support for list constrains for the bimap container
#ifndef BOOST_BIMAP_LIST_OF_HPP
#define BOOST_BIMAP_LIST_OF_HPP
#if defined(_MSC_VER)
#pragma once
#endif
#include <boost/config.hpp>
#include <boost/bimap/detail/user_interface_config.hpp>
#include <boost/mpl/bool.hpp>
#include <boost/concept_check.hpp>
#include <boost/bimap/detail/concept_tags.hpp>
#include <boost/bimap/tags/support/value_type_of.hpp>
#include <boost/bimap/detail/generate_index_binder.hpp>
#include <boost/bimap/detail/generate_view_binder.hpp>
#include <boost/bimap/detail/generate_relation_binder.hpp>
#include <boost/multi_index/sequenced_index.hpp>
#include <boost/bimap/views/list_map_view.hpp>
#include <boost/bimap/views/list_set_view.hpp>
namespace boost {
namespace bimaps {
/// \brief Set Type Specification
/**
This struct is used to specify a set specification.
It is not a container, it is just a metaprogramming facility to
express the type of a set. Generally, this specification will
be used in other place to create a container.
It has the same syntax that an std::list instantiation, except
that the allocator cannot be specified. The rationale behind
this difference is that the allocator is not part of the set
type specification, rather it is a container configuration
parameter.
\code
using namespace support;
BOOST_STATIC_ASSERT( is_set_type_of< list_of<Type> >::value )
BOOST_STATIC_ASSERT
(
is_same
<
list_of<Type>::index_bind
<
KeyExtractor,
Tag
>::type,
sequenced< tag<Tag>, KeyExtractor >
>::value
)
typedef bimap
<
list_of<Type>, RightKeyType
> bimap_with_left_type_as_list;
BOOST_STATIC_ASSERT
(
is_same
<
list_of<Type>::map_view_bind
<
member_at::left,
bimap_with_left_type_as_list
>::type,
list_map_view< member_at::left, bimap_with_left_type_as_list >
>::value
)
\endcode
See also list_of_relation.
**/
template< class Type >
struct list_of : public ::boost::bimaps::detail::set_type_of_tag
{
/// User type, can be tagged
typedef Type user_type;
/// Type of the object that will be stored in the list
typedef BOOST_DEDUCED_TYPENAME ::boost::bimaps::tags::support::
value_type_of<user_type>::type value_type;
struct lazy_concept_checked
{
BOOST_CLASS_REQUIRE ( value_type,
boost, AssignableConcept );
typedef list_of type;
};
BOOST_BIMAP_GENERATE_INDEX_BINDER_0CP_NO_EXTRACTOR(
// binds to
multi_index::sequenced
)
BOOST_BIMAP_GENERATE_MAP_VIEW_BINDER(
// binds to
views::list_map_view
)
BOOST_BIMAP_GENERATE_SET_VIEW_BINDER(
// binds to
views::list_set_view
)
typedef mpl::bool_<true> mutable_key;
};
/// \brief List Of Relation Specification
/**
This struct is similar to list_of but it is bind logically to a
relation. It is used in the bimap instantiation to specify the
desired type of the main view. This struct implements internally
a metafunction named bind_to that manages the quite complicated
task of finding the right type of the set for the relation.
\code
template<class Relation>
struct bind_to
{
typedef -unspecified- type;
};
\endcode
See also list_of, is_set_type_of_relation.
**/
struct list_of_relation : public ::boost::bimaps::detail::set_type_of_relation_tag
{
BOOST_BIMAP_GENERATE_RELATION_BINDER_0CP(
// binds to
list_of
)
typedef mpl::bool_<true> left_mutable_key;
typedef mpl::bool_<true> right_mutable_key;
};
} // namespace bimaps
} // namespace boost
#endif // BOOST_BIMAP_LIST_OF_HPP
|
