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331 lines
13 KiB
331 lines
13 KiB
// Boost.Bimap |
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// |
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// Copyright (c) 2006-2007 Matias Capeletto |
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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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/// \file detail/set_view_base.hpp |
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/// \brief Helper base for the construction of the bimap views types. |
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#ifndef BOOST_BIMAP_DETAIL_SET_VIEW_BASE_HPP |
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#define BOOST_BIMAP_DETAIL_SET_VIEW_BASE_HPP |
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#if defined(_MSC_VER) && (_MSC_VER>=1200) |
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#pragma once |
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#endif |
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#include <boost/config.hpp> |
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#include <boost/bimap/relation/member_at.hpp> |
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#include <boost/bimap/relation/support/data_extractor.hpp> |
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#include <boost/bimap/detail/modifier_adaptor.hpp> |
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#include <boost/bimap/detail/set_view_iterator.hpp> |
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#include <boost/bimap/relation/support/get_pair_functor.hpp> |
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#include <boost/bimap/relation/detail/to_mutable_relation_functor.hpp> |
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#include <boost/bimap/relation/mutant_relation.hpp> |
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#include <boost/bimap/container_adaptor/support/iterator_facade_converters.hpp> |
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namespace boost { |
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namespace bimaps { |
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namespace detail { |
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template< class Key, class Value, class KeyToBase > |
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class set_view_key_to_base |
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{ |
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public: |
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const Key operator()( const Value & v ) const |
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{ |
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return keyToBase( v ); |
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} |
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private: |
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KeyToBase keyToBase; |
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}; |
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template< class MutantRelationStorage, class KeyToBase > |
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class set_view_key_to_base<MutantRelationStorage,MutantRelationStorage,KeyToBase> |
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{ |
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typedef BOOST_DEDUCED_TYPENAME MutantRelationStorage::non_mutable_storage non_mutable_storage; |
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public: |
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const MutantRelationStorage & operator()( const non_mutable_storage & k ) const |
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{ |
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return ::boost::bimaps::relation::detail::mutate<MutantRelationStorage>(k); |
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} |
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const MutantRelationStorage & operator()( const MutantRelationStorage & k ) const |
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{ |
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return k; |
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} |
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}; |
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// The next macro can be converted in a metafunctor to gain code robustness. |
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/*===========================================================================*/ |
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#define BOOST_BIMAP_SET_VIEW_CONTAINER_ADAPTOR( \ |
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CONTAINER_ADAPTOR, CORE_INDEX, OTHER_ITER, CONST_OTHER_ITER \ |
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) \ |
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::boost::bimaps::container_adaptor::CONTAINER_ADAPTOR \ |
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< \ |
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CORE_INDEX, \ |
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::boost::bimaps::detail:: \ |
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set_view_iterator< \ |
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BOOST_DEDUCED_TYPENAME CORE_INDEX::iterator >, \ |
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::boost::bimaps::detail:: \ |
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const_set_view_iterator< \ |
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BOOST_DEDUCED_TYPENAME CORE_INDEX::const_iterator >, \ |
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::boost::bimaps::detail:: \ |
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set_view_iterator< \ |
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BOOST_DEDUCED_TYPENAME CORE_INDEX::OTHER_ITER >, \ |
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::boost::bimaps::detail:: \ |
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const_set_view_iterator< \ |
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BOOST_DEDUCED_TYPENAME CORE_INDEX::CONST_OTHER_ITER >, \ |
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::boost::bimaps::container_adaptor::support::iterator_facade_to_base \ |
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< \ |
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::boost::bimaps::detail:: set_view_iterator< \ |
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BOOST_DEDUCED_TYPENAME CORE_INDEX::iterator>, \ |
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::boost::bimaps::detail::const_set_view_iterator< \ |
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BOOST_DEDUCED_TYPENAME CORE_INDEX::const_iterator> \ |
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\ |
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>, \ |
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::boost::mpl::na, \ |
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::boost::mpl::na, \ |
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::boost::bimaps::relation::detail:: \ |
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get_mutable_relation_functor< \ |
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BOOST_DEDUCED_TYPENAME CORE_INDEX::value_type >, \ |
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::boost::bimaps::relation::support:: \ |
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get_above_view_functor< \ |
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BOOST_DEDUCED_TYPENAME CORE_INDEX::value_type >, \ |
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::boost::bimaps::detail::set_view_key_to_base< \ |
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BOOST_DEDUCED_TYPENAME CORE_INDEX::key_type, \ |
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BOOST_DEDUCED_TYPENAME CORE_INDEX::value_type, \ |
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BOOST_DEDUCED_TYPENAME CORE_INDEX::key_from_value \ |
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> \ |
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> |
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/*===========================================================================*/ |
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/*===========================================================================*/ |
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#define BOOST_BIMAP_SEQUENCED_SET_VIEW_CONTAINER_ADAPTOR( \ |
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CONTAINER_ADAPTOR, CORE_INDEX, OTHER_ITER, CONST_OTHER_ITER \ |
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) \ |
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::boost::bimaps::container_adaptor::CONTAINER_ADAPTOR \ |
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< \ |
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CORE_INDEX, \ |
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::boost::bimaps::detail:: \ |
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set_view_iterator< \ |
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BOOST_DEDUCED_TYPENAME CORE_INDEX::iterator >, \ |
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::boost::bimaps::detail:: \ |
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const_set_view_iterator< \ |
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BOOST_DEDUCED_TYPENAME CORE_INDEX::const_iterator >, \ |
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::boost::bimaps::detail:: \ |
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set_view_iterator< \ |
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BOOST_DEDUCED_TYPENAME CORE_INDEX::OTHER_ITER >, \ |
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::boost::bimaps::detail:: \ |
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const_set_view_iterator< \ |
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BOOST_DEDUCED_TYPENAME CORE_INDEX::CONST_OTHER_ITER >, \ |
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::boost::bimaps::container_adaptor::support::iterator_facade_to_base \ |
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< \ |
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::boost::bimaps::detail:: set_view_iterator< \ |
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BOOST_DEDUCED_TYPENAME CORE_INDEX::iterator>, \ |
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::boost::bimaps::detail::const_set_view_iterator< \ |
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BOOST_DEDUCED_TYPENAME CORE_INDEX::const_iterator> \ |
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\ |
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>, \ |
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::boost::mpl::na, \ |
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::boost::mpl::na, \ |
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::boost::bimaps::relation::detail:: \ |
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get_mutable_relation_functor< \ |
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BOOST_DEDUCED_TYPENAME CORE_INDEX::value_type >, \ |
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::boost::bimaps::relation::support:: \ |
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get_above_view_functor< \ |
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BOOST_DEDUCED_TYPENAME CORE_INDEX::value_type > \ |
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> |
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/*===========================================================================*/ |
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#if defined(BOOST_MSVC) |
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/*===========================================================================*/ |
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#define BOOST_BIMAP_SET_VIEW_BASE_FRIEND(TYPE,INDEX_TYPE) \ |
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typedef ::boost::bimaps::detail::set_view_base< \ |
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TYPE< INDEX_TYPE >, INDEX_TYPE > template_class_friend; \ |
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friend class template_class_friend; |
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/*===========================================================================*/ |
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#else |
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/*===========================================================================*/ |
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#define BOOST_BIMAP_SET_VIEW_BASE_FRIEND(TYPE,INDEX_TYPE) \ |
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friend class ::boost::bimaps::detail::set_view_base< \ |
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TYPE< INDEX_TYPE >, INDEX_TYPE >; |
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/*===========================================================================*/ |
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#endif |
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/// \brief Common base for set views. |
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template< class Derived, class Index > |
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class set_view_base |
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{ |
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typedef ::boost::bimaps::container_adaptor::support:: |
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iterator_facade_to_base |
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< |
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::boost::bimaps::detail:: |
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set_view_iterator<BOOST_DEDUCED_TYPENAME Index:: iterator>, |
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::boost::bimaps::detail:: |
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const_set_view_iterator<BOOST_DEDUCED_TYPENAME Index::const_iterator> |
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> iterator_to_base_; |
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typedef BOOST_DEDUCED_TYPENAME Index::value_type::left_value_type left_type_; |
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typedef BOOST_DEDUCED_TYPENAME Index::value_type::right_value_type right_type_; |
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typedef BOOST_DEDUCED_TYPENAME Index::value_type value_type_; |
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typedef ::boost::bimaps::detail:: |
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set_view_iterator<BOOST_DEDUCED_TYPENAME Index::iterator> iterator_; |
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public: |
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bool replace(iterator_ position, |
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const value_type_ & x) |
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{ |
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return derived().base().replace( |
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derived().template functor<iterator_to_base_>()(position),x |
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); |
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} |
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template< class CompatibleLeftType > |
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bool replace_left(iterator_ position, |
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const CompatibleLeftType & l) |
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{ |
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return derived().base().replace( |
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derived().template functor<iterator_to_base_>()(position), |
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value_type_(l,position->right) |
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); |
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} |
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template< class CompatibleRightType > |
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bool replace_right(iterator_ position, |
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const CompatibleRightType & r) |
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{ |
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return derived().base().replace( |
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derived().template functor<iterator_to_base_>()(position), |
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value_type_(position->left,r) |
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); |
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} |
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/* This function may be provided in the future |
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template< class Modifier > |
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bool modify(iterator_ position, |
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Modifier mod) |
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{ |
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return derived().base().modify( |
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derived().template functor<iterator_to_base_>()(position), |
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::boost::bimaps::detail::relation_modifier_adaptor |
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< |
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Modifier, |
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BOOST_DEDUCED_TYPENAME Index::value_type, |
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BOOST_DEDUCED_TYPENAME ::boost::bimaps::relation::support:: |
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data_extractor |
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< |
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::boost::bimaps::relation::member_at::left, |
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BOOST_DEDUCED_TYPENAME Index::value_type |
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>::type, |
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BOOST_DEDUCED_TYPENAME ::boost::bimaps::relation::support:: |
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data_extractor |
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< |
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::boost::bimaps::relation::member_at::right, |
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BOOST_DEDUCED_TYPENAME Index::value_type |
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>::type |
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>(mod) |
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); |
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} |
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*/ |
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/* |
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template< class Modifier > |
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bool modify_left(iterator_ position, Modifier mod) |
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{ |
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typedef BOOST_DEDUCED_TYPENAME ::boost::bimaps::relation::support:: |
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data_extractor |
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< |
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BOOST_DEDUCED_TYPENAME ::boost::bimaps::relation::member_at::right, |
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BOOST_DEDUCED_TYPENAME Index::value_type |
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>::type left_data_extractor_; |
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return derived().base().modify( |
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derived().template functor<iterator_to_base_>()(position), |
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// this may be replaced later by |
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// ::boost::bind( mod, ::boost::bind(data_extractor_(),_1) ) |
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::boost::bimaps::detail::unary_modifier_adaptor |
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< |
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Modifier, |
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BOOST_DEDUCED_TYPENAME Index::value_type, |
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left_data_extractor_ |
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>(mod) |
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); |
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} |
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template< class Modifier > |
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bool modify_right(iterator_ position, Modifier mod) |
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{ |
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typedef BOOST_DEDUCED_TYPENAME ::boost::bimaps::relation::support:: |
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data_extractor |
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< |
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BOOST_DEDUCED_TYPENAME ::boost::bimaps::relation::member_at::right, |
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BOOST_DEDUCED_TYPENAME Index::value_type |
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>::type right_data_extractor_; |
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return derived().base().modify( |
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derived().template functor<iterator_to_base_>()(position), |
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// this may be replaced later by |
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// ::boost::bind( mod, ::boost::bind(data_extractor_(),_1) ) |
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::boost::bimaps::detail::unary_modifier_adaptor |
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< |
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Modifier, |
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BOOST_DEDUCED_TYPENAME Index::value_type, |
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right_data_extractor_ |
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>(mod) |
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); |
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} |
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*/ |
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protected: |
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typedef set_view_base set_view_base_; |
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private: |
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// Curiously Recurring Template interface. |
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Derived& derived() |
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{ |
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return *static_cast<Derived*>(this); |
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} |
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Derived const& derived() const |
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{ |
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return *static_cast<Derived const*>(this); |
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} |
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}; |
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} // namespace detail |
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} // namespace bimaps |
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} // namespace boost |
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#endif // BOOST_BIMAP_DETAIL_SET_VIEW_BASE_HPP
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