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							303 lines
						
					
					
						
							11 KiB
						
					
					
				
								/* /////////////////////////////////////////////////////////////////////////
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								 * File:        stlsoft/collections/associative_value_sequence.hpp
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								 *
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								 * Purpose:     Adapts associative containers into a sequence of their values.
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								 *
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								 * Created:     28th January 2005
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								 * Updated:     10th August 2009
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								 *
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								 * Home:        http://stlsoft.org/
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								 *
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								 * Copyright (c) 2005-2009, Matthew Wilson and Synesis Software
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								 * All rights reserved.
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								 *
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								 * Redistribution and use in source and binary forms, with or without
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								 * modification, are permitted provided that the following conditions are met:
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								 *
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								 * - Redistributions of source code must retain the above copyright notice, this
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								 *   list of conditions and the following disclaimer.
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								 * - Redistributions in binary form must reproduce the above copyright notice,
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								 *   this list of conditions and the following disclaimer in the documentation
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								 *   and/or other materials provided with the distribution.
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								 * - Neither the name(s) of Matthew Wilson and Synesis Software nor the names of
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								 *   any contributors may be used to endorse or promote products derived from
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								 *   this software without specific prior written permission.
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								 *
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								 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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								 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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								 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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								 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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								 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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								 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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								 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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								 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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								 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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								 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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								 * POSSIBILITY OF SUCH DAMAGE.
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								 *
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								 * ////////////////////////////////////////////////////////////////////// */
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								/** \file stlsoft/collections/associative_value_sequence.hpp
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								 *
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								 * \brief [C++ only] Definition of the stlsoft::associative_value_sequence
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								 *   class template
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								 *   (\ref group__library__collections "Collections" Library).
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								 */
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								#ifndef STLSOFT_INCL_STLSOFT_COLLECTIONS_HPP_ASSOCIATIVE_VALUE_SEQUENCE
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								#define STLSOFT_INCL_STLSOFT_COLLECTIONS_HPP_ASSOCIATIVE_VALUE_SEQUENCE
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								#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
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								# define STLSOFT_VER_STLSOFT_COLLECTIONS_HPP_ASSOCIATIVE_VALUE_SEQUENCE_MAJOR       2
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								# define STLSOFT_VER_STLSOFT_COLLECTIONS_HPP_ASSOCIATIVE_VALUE_SEQUENCE_MINOR       1
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								# define STLSOFT_VER_STLSOFT_COLLECTIONS_HPP_ASSOCIATIVE_VALUE_SEQUENCE_REVISION    1
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								# define STLSOFT_VER_STLSOFT_COLLECTIONS_HPP_ASSOCIATIVE_VALUE_SEQUENCE_EDIT        25
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								#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
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								/* /////////////////////////////////////////////////////////////////////////
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								 * Compatibility
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								 */
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								/*
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								[Incompatibilies-start]
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								STLSOFT_COMPILER_IS_WATCOM:
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								[Incompatibilies-end]
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								 */
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								/* /////////////////////////////////////////////////////////////////////////
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								 * Includes
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								 */
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								#ifndef STLSOFT_INCL_STLSOFT_H_STLSOFT
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								# include <stlsoft/stlsoft.h>
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								#endif /* !STLSOFT_INCL_STLSOFT_H_STLSOFT */
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								#ifndef STLSOFT_INCL_STLSOFT_ITERATORS_HPP_ASSOCIATIVE_SELECT_ITERATOR
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								# include <stlsoft/iterators/associative_select_iterator.hpp>
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								#endif /* !STLSOFT_INCL_STLSOFT_ITERATORS_HPP_ASSOCIATIVE_SELECT_ITERATOR */
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								#ifndef STLSOFT_INCL_STLSOFT_COLLECTIONS_UTIL_HPP_COLLECTIONS
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								# include <stlsoft/collections/util/collections.hpp>
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								#endif /* !STLSOFT_INCL_STLSOFT_COLLECTIONS_UTIL_HPP_COLLECTIONS */
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								#ifndef STLSOFT_INCL_STLSOFT_UTIL_STD_HPP_ITERATOR_HELPER
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								# include <stlsoft/util/std/iterator_helper.hpp>
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								#endif /* !STLSOFT_INCL_STLSOFT_UTIL_STD_HPP_ITERATOR_HELPER */
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								#ifndef STLSOFT_INCL_STDEXCEPT
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								# define STLSOFT_INCL_STDEXCEPT
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								# include <stdexcept>
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								#endif /* !STLSOFT_INCL_STDEXCEPT */
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								#ifdef STLSOFT_UNITTEST
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								# include <map>
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								#endif /* STLSOFT_UNITTEST */
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								/* /////////////////////////////////////////////////////////////////////////
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								 * Namespace
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								 */
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								#ifndef _STLSOFT_NO_NAMESPACE
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								namespace stlsoft
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								{
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								#endif /* _STLSOFT_NO_NAMESPACE */
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								/* /////////////////////////////////////////////////////////////////////////
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								 * Classes
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								 */
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								/** \brief Instance adaptor that represents an associative collection as a
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								 *   sequence of its values.
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								 *
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								 * \ingroup group__library__collections
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								 *
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								 * \param A The associative collection type
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								 */
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								template <ss_typename_param_k A>
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								class associative_value_sequence
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								    : public stl_collection_tag
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								{
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								/// \name Types
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								/// @{
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								public:
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								    /// \brief The current parameterisation of the type
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								    typedef associative_value_sequence<A>           class_type;
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								    /// \brief The value type
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								#if 0
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								    typedef ss_typename_type_k A::mapped_type       value_type;
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								#else /* ? 0 */
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								    typedef ss_typename_type_k A::value_type::second_type       value_type;
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								#endif /* 0 */
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								    /// \brief The associative container type
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								    typedef A                                       associative_container_type;
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								    /// \brief The allocator type
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								    typedef ss_typename_type_k A::allocator_type    allocator_type;
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								#if 0
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								    /// \brief The pointer type
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								    ///
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								    /// \note This is identical to the const_pointer, since we will not be using
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								    /// this adaptor sequence to alter the contents of the underlying sequence
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								    typedef ss_typename_type_k A::const_pointer     pointer;
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								    /// \brief The non-mutable (const) pointer type
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								    typedef ss_typename_type_k A::const_pointer     const_pointer;
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								#endif /* 0 */
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								    /// \brief The reference type
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								    ///
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								    /// \note This is identical to the const_reference, since we will not be using
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								    /// this adaptor sequence to alter the contents of the underlying sequence
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								    typedef ss_typename_type_k A::const_reference   reference;
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								    /// \brief The non-mutable (const) reference type
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								    typedef ss_typename_type_k A::const_reference   const_reference;
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								    /// \brief The size type
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								    typedef ss_typename_type_k A::size_type         size_type;
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								    /// \brief The difference type
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								    typedef ss_typename_type_k A::difference_type   difference_type;
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								    /// \brief The iterator type
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								    typedef associative_select_iterator <   ss_typename_type_k A::iterator
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								                                        ,   ::stlsoft::select_second<ss_typename_type_k A::value_type>
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								                                        >           iterator;
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								    /// \brief The non-mutating (const) iterator type
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								    typedef associative_select_iterator <   ss_typename_type_k A::const_iterator
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								                                        ,   ::stlsoft::select_second_const<ss_typename_type_k A::value_type>
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								                                        >           const_iterator;
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								#if defined(STLSOFT_LF_BIDIRECTIONAL_ITERATOR_SUPPORT)
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								    /// \brief The reverse iterator type
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								    typedef reverse_iterator_base       <   iterator
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								                                        ,   value_type
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								                                        ,   reference
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								                                        ,   value_type*
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								                                        ,   difference_type
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								                                        >           reverse_iterator;
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								    /// \brief The non-mutating (const) reverse iterator type
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								    typedef const_reverse_iterator_base <   const_iterator
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								                                        ,   value_type const
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								                                        ,   const_reference
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								                                        ,   value_type const*
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								                                        ,   difference_type
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								                                        >           const_reverse_iterator;
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								#endif /* STLSOFT_LF_BIDIRECTIONAL_ITERATOR_SUPPORT */
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								/// @}
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								/// \name Construction
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								/// @{
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								public:
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								    ss_explicit_k associative_value_sequence(associative_container_type const& container);
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								/// @}
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								/// \name Attributes
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								/// @{
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								public:
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								    /// \brief The number of elements in the container
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								    size_type size() const;
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								    /// \brief The maximum number of elements that can be stored in the container
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								    size_type max_size() const;
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								    /// \brief Indicates whether the container is empty
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								    ss_bool_t empty() const;
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								/// @}
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								/// \name Iteration
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								/// @{
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								public:
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								    /// \brief Begins the iteration
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								    ///
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								    /// \return A non-mutable (const) iterator representing the start of the sequence
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								    const_iterator          begin() const;
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								    /// \brief Ends the iteration
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								    ///
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								    /// \return A non-mutable (const) iterator representing the end of the sequence
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								    const_iterator          end() const;
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								#if defined(STLSOFT_LF_BIDIRECTIONAL_ITERATOR_SUPPORT)
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								    /// \brief Begins the reverse iteration
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								    ///
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								    /// \return A non-mutable (const) iterator representing the start of the reverse sequence
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								    const_reverse_iterator  rbegin() const;
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								    /// \brief Ends the reverse iteration
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								    ///
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								    /// \return A non-mutable (const) iterator representing the end of the reverse sequence
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								    const_reverse_iterator  rend() const;
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								#endif /* STLSOFT_LF_BIDIRECTIONAL_ITERATOR_SUPPORT */
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								/// @}
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								/// \name Members
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								/// @{
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								private:
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								    associative_container_type const    &m_container;
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								/// @}
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								};
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								/* /////////////////////////////////////////////////////////////////////////
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								 * Implementation
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								 */
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								#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
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								// Construction
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								template <ss_typename_param_k A>
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								inline associative_value_sequence<A>::associative_value_sequence(ss_typename_type_k associative_value_sequence<A>::associative_container_type const& container)
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								    : m_container(container)
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								{}
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								// Attributes
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								template <ss_typename_param_k A>
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								inline ss_typename_type_ret_k associative_value_sequence<A>::size_type associative_value_sequence<A>::size() const
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								{
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								    return m_container.size();
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								}
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								template <ss_typename_param_k A>
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								inline ss_typename_type_ret_k associative_value_sequence<A>::size_type associative_value_sequence<A>::max_size() const
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								{
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								    return m_container.max_size();
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								}
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								template <ss_typename_param_k A>
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								inline ss_bool_t associative_value_sequence<A>::empty() const
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								{
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								    return m_container.empty();
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								}
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								// Iteration
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								template <ss_typename_param_k A>
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								inline ss_typename_type_ret_k associative_value_sequence<A>::const_iterator associative_value_sequence<A>::begin() const
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								{
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								    return const_iterator(m_container.begin());
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								}
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								template <ss_typename_param_k A>
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								inline ss_typename_type_ret_k associative_value_sequence<A>::const_iterator associative_value_sequence<A>::end() const
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								{
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								    return const_iterator(m_container.end());
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								}
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								# if defined(STLSOFT_LF_BIDIRECTIONAL_ITERATOR_SUPPORT)
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								template <ss_typename_param_k A>
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								inline ss_typename_type_ret_k associative_value_sequence<A>::const_reverse_iterator associative_value_sequence<A>::rbegin() const
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								{
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								    return const_reverse_iterator(m_container.rbegin());
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								}
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								template <ss_typename_param_k A>
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								inline ss_typename_type_ret_k associative_value_sequence<A>::const_reverse_iterator associative_value_sequence<A>::rend() const
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								{
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								    return const_reverse_iterator(m_container.rend());
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								}
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								# endif /* STLSOFT_LF_BIDIRECTIONAL_ITERATOR_SUPPORT */
							 | 
						|
								
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								#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
							 | 
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								/* ////////////////////////////////////////////////////////////////////// */
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								#ifndef _STLSOFT_NO_NAMESPACE
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								} // namespace stlsoft
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								#endif /* _STLSOFT_NO_NAMESPACE */
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								/* ////////////////////////////////////////////////////////////////////// */
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								#endif /* !STLSOFT_INCL_STLSOFT_COLLECTIONS_HPP_ASSOCIATIVE_VALUE_SEQUENCE */
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								/* ///////////////////////////// end of file //////////////////////////// */
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