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//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2005-2013. 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)
//
// See http://www.boost.org/libs/container for documentation.
//
//////////////////////////////////////////////////////////////////////////////
#ifndef BOOST_CONTAINER_MAP_HPP
#define BOOST_CONTAINER_MAP_HPP
#ifndef BOOST_CONFIG_HPP
# include <boost/config.hpp>
#endif
#if defined(BOOST_HAS_PRAGMA_ONCE)
# pragma once
#endif
#include <boost/container/detail/config_begin.hpp>
#include <boost/container/detail/workaround.hpp>
// container
#include <boost/container/container_fwd.hpp>
#include <boost/container/new_allocator.hpp> //new_allocator
#include <boost/container/throw_exception.hpp>
// container/detail
#include <boost/container/detail/mpl.hpp>
#include <boost/container/detail/tree.hpp>
#include <boost/container/detail/type_traits.hpp>
#include <boost/container/detail/value_init.hpp>
#include <boost/container/detail/pair.hpp>
// move
#include <boost/move/traits.hpp>
#include <boost/move/utility_core.hpp>
// move/detail
#if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
#include <boost/move/detail/fwd_macros.hpp>
#endif
#include <boost/move/detail/move_helpers.hpp>
// intrusive/detail
#include <boost/intrusive/detail/minimal_pair_header.hpp> //pair
#include <boost/intrusive/detail/minimal_less_equal_header.hpp>//less, equal
// other
#include <boost/static_assert.hpp>
#include <boost/core/no_exceptions_support.hpp>
// std
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
#include <initializer_list>
#endif
namespace boost {
namespace container {
///@cond
template<class Key, class Mapped>
struct pair_key_mapped_of_value
{
typedef Key key_type;
typedef Mapped mapped_type;
template<class Pair>
const key_type & key_of_value(const Pair &p) const
{ return p.first; }
template<class Pair>
const mapped_type & mapped_of_value(const Pair &p) const
{ return p.second; }
template<class Pair>
key_type & key_of_value(Pair &p) const
{ return const_cast<key_type&>(p.first); }
template<class Pair>
mapped_type & mapped_of_value(Pair &p) const
{ return p.second; }
};
///@endcond
#ifdef BOOST_CONTAINER_DOXYGEN_INVOKED
//! A map is a kind of associative container that supports unique keys (contains at
//! most one of each key value) and provides for fast retrieval of values of another
//! type T based on the keys. The map class supports bidirectional iterators.
//!
//! A map satisfies all of the requirements of a container and of a reversible
//! container and of an associative container. The <code>value_type</code> stored
//! by this container is the value_type is std::pair<const Key, T>.
//!
//! \tparam Key is the key_type of the map
//! \tparam T is the <code>mapped_type</code>
//! \tparam Compare is the ordering function for Keys (e.g. <i>std::less<Key></i>).
//! \tparam Allocator is the allocator to allocate the <code>value_type</code>s
//! (e.g. <i>allocator< std::pair<const Key, T> > </i>).
//! \tparam Options is an packed option type generated using using boost::container::tree_assoc_options.
template < class Key, class T, class Compare = std::less<Key>
, class Allocator = new_allocator< std::pair< const Key, T> >, class Options = tree_assoc_defaults >
#else
template <class Key, class T, class Compare, class Allocator, class Options>
#endif
class map
///@cond
: public container_detail::tree
< std::pair<const Key, T>
, container_detail::select1st<Key>
, Compare, Allocator, Options>
///@endcond
{
#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
private:
BOOST_COPYABLE_AND_MOVABLE(map)
typedef container_detail::select1st<Key> select_1st_t;
typedef std::pair<const Key, T> value_type_impl;
typedef container_detail::tree
<value_type_impl, select_1st_t, Compare, Allocator, Options> base_t;
typedef container_detail::pair <Key, T> movable_value_type_impl;
typedef typename base_t::value_compare value_compare_impl;
#endif //#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
public:
//////////////////////////////////////////////
//
// types
//
//////////////////////////////////////////////
typedef Key key_type;
typedef ::boost::container::allocator_traits<Allocator> allocator_traits_type;
typedef T mapped_type;
typedef std::pair<const Key, T> value_type;
typedef typename boost::container::allocator_traits<Allocator>::pointer pointer;
typedef typename boost::container::allocator_traits<Allocator>::const_pointer const_pointer;
typedef typename boost::container::allocator_traits<Allocator>::reference reference;
typedef typename boost::container::allocator_traits<Allocator>::const_reference const_reference;
typedef typename boost::container::allocator_traits<Allocator>::size_type size_type;
typedef typename boost::container::allocator_traits<Allocator>::difference_type difference_type;
typedef Allocator allocator_type;
typedef typename BOOST_CONTAINER_IMPDEF(base_t::stored_allocator_type) stored_allocator_type;
typedef BOOST_CONTAINER_IMPDEF(value_compare_impl) value_compare;
typedef Compare key_compare;
typedef typename BOOST_CONTAINER_IMPDEF(base_t::iterator) iterator;
typedef typename BOOST_CONTAINER_IMPDEF(base_t::const_iterator) const_iterator;
typedef typename BOOST_CONTAINER_IMPDEF(base_t::reverse_iterator) reverse_iterator;
typedef typename BOOST_CONTAINER_IMPDEF(base_t::const_reverse_iterator) const_reverse_iterator;
typedef std::pair<key_type, mapped_type> nonconst_value_type;
typedef BOOST_CONTAINER_IMPDEF(movable_value_type_impl) movable_value_type;
typedef BOOST_CONTAINER_IMPDEF(node_handle<
typename base_t::node_type::container_node_type
BOOST_MOVE_I value_type
BOOST_MOVE_I allocator_type
BOOST_MOVE_I pair_key_mapped_of_value
<key_type BOOST_MOVE_I mapped_type> >) node_type;
typedef BOOST_CONTAINER_IMPDEF
(insert_return_type_base<iterator BOOST_MOVE_I node_type>) insert_return_type;
//////////////////////////////////////////////
//
// construct/copy/destroy
//
//////////////////////////////////////////////
//! <b>Effects</b>: Default constructs an empty map.
//!
//! <b>Complexity</b>: Constant.
BOOST_CONTAINER_FORCEINLINE
map() BOOST_NOEXCEPT_IF(container_detail::is_nothrow_default_constructible<Allocator>::value &&
container_detail::is_nothrow_default_constructible<Compare>::value)
: base_t()
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
//! <b>Effects</b>: Constructs an empty map using the specified comparison object
//! and allocator.
//!
//! <b>Complexity</b>: Constant.
BOOST_CONTAINER_FORCEINLINE
explicit map(const Compare& comp, const allocator_type& a = allocator_type())
: base_t(comp, a)
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
//! <b>Effects</b>: Constructs an empty map using the specified allocator.
//!
//! <b>Complexity</b>: Constant.
BOOST_CONTAINER_FORCEINLINE
explicit map(const allocator_type& a)
: base_t(a)
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
//! <b>Effects</b>: Constructs an empty map using the specified comparison object and
//! allocator, and inserts elements from the range [first ,last ).
//!
//! <b>Complexity</b>: Linear in N if the range [first ,last ) is already sorted using
//! comp and otherwise N logN, where N is last - first.
template <class InputIterator>
BOOST_CONTAINER_FORCEINLINE
map(InputIterator first, InputIterator last, const Compare& comp = Compare(),
const allocator_type& a = allocator_type())
: base_t(true, first, last, comp, a)
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
//! <b>Effects</b>: Constructs an empty map using the specified
//! allocator, and inserts elements from the range [first ,last ).
//!
//! <b>Complexity</b>: Linear in N if the range [first ,last ) is already sorted using
//! comp and otherwise N logN, where N is last - first.
template <class InputIterator>
BOOST_CONTAINER_FORCEINLINE
map(InputIterator first, InputIterator last, const allocator_type& a)
: base_t(true, first, last, Compare(), a)
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
//! <b>Effects</b>: Constructs an empty map using the specified comparison object and
//! allocator, and inserts elements from the ordered unique range [first ,last). This function
//! is more efficient than the normal range creation for ordered ranges.
//!
//! <b>Requires</b>: [first ,last) must be ordered according to the predicate and must be
//! unique values.
//!
//! <b>Complexity</b>: Linear in N.
//!
//! <b>Note</b>: Non-standard extension.
template <class InputIterator>
BOOST_CONTAINER_FORCEINLINE
map( ordered_unique_range_t, InputIterator first, InputIterator last
, const Compare& comp = Compare(), const allocator_type& a = allocator_type())
: base_t(ordered_range, first, last, comp, a)
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
//! <b>Effects</b>: Constructs an empty map using the specified comparison object and
//! allocator, and inserts elements from the range [il.begin(), il.end()).
//!
//! <b>Complexity</b>: Linear in N if the range [first ,last ) is already sorted using
//! comp and otherwise N logN, where N is il.first() - il.end().
BOOST_CONTAINER_FORCEINLINE
map(std::initializer_list<value_type> il, const Compare& comp = Compare(), const allocator_type& a = allocator_type())
: base_t(true, il.begin(), il.end(), comp, a)
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
//! <b>Effects</b>: Constructs an empty map using the specified
//! allocator, and inserts elements from the range [il.begin(), il.end()).
//!
//! <b>Complexity</b>: Linear in N if the range [first ,last ) is already sorted using
//! comp and otherwise N logN, where N is il.first() - il.end().
BOOST_CONTAINER_FORCEINLINE
map(std::initializer_list<value_type> il, const allocator_type& a)
: base_t(true, il.begin(), il.end(), Compare(), a)
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
//! <b>Effects</b>: Constructs an empty set using the specified comparison object and
//! allocator, and inserts elements from the ordered unique range [il.begin(), il.end()). This function
//! is more efficient than the normal range creation for ordered ranges.
//!
//! <b>Requires</b>: [il.begin(), il.end()) must be ordered according to the predicate and must be
//! unique values.
//!
//! <b>Complexity</b>: Linear in N.
//!
//! <b>Note</b>: Non-standard extension.
BOOST_CONTAINER_FORCEINLINE
map(ordered_unique_range_t, std::initializer_list<value_type> il, const Compare& comp = Compare(),
const allocator_type& a = allocator_type())
: base_t(ordered_range, il.begin(), il.end(), comp, a)
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
#endif
//! <b>Effects</b>: Copy constructs a map.
//!
//! <b>Complexity</b>: Linear in x.size().
BOOST_CONTAINER_FORCEINLINE
map(const map& x)
: base_t(static_cast<const base_t&>(x))
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
//! <b>Effects</b>: Move constructs a map. Constructs *this using x's resources.
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Postcondition</b>: x is emptied.
BOOST_CONTAINER_FORCEINLINE
map(BOOST_RV_REF(map) x)
BOOST_NOEXCEPT_IF(boost::container::container_detail::is_nothrow_move_constructible<Compare>::value)
: base_t(BOOST_MOVE_BASE(base_t, x))
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
//! <b>Effects</b>: Copy constructs a map using the specified allocator.
//!
//! <b>Complexity</b>: Linear in x.size().
BOOST_CONTAINER_FORCEINLINE
map(const map& x, const allocator_type &a)
: base_t(static_cast<const base_t&>(x), a)
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
//! <b>Effects</b>: Move constructs a map using the specified allocator.
//! Constructs *this using x's resources.
//!
//! <b>Complexity</b>: Constant if x == x.get_allocator(), linear otherwise.
//!
//! <b>Postcondition</b>: x is emptied.
BOOST_CONTAINER_FORCEINLINE
map(BOOST_RV_REF(map) x, const allocator_type &a)
: base_t(BOOST_MOVE_BASE(base_t, x), a)
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
//! <b>Effects</b>: Makes *this a copy of x.
//!
//! <b>Complexity</b>: Linear in x.size().
BOOST_CONTAINER_FORCEINLINE
map& operator=(BOOST_COPY_ASSIGN_REF(map) x)
{ return static_cast<map&>(this->base_t::operator=(static_cast<const base_t&>(x))); }
//! <b>Effects</b>: this->swap(x.get()).
//!
//! <b>Throws</b>: If allocator_traits_type::propagate_on_container_move_assignment
//! is false and (allocation throws or value_type's move constructor throws)
//!
//! <b>Complexity</b>: Constant if allocator_traits_type::
//! propagate_on_container_move_assignment is true or
//! this->get>allocator() == x.get_allocator(). Linear otherwise.
BOOST_CONTAINER_FORCEINLINE
map& operator=(BOOST_RV_REF(map) x)
BOOST_NOEXCEPT_IF( (allocator_traits_type::propagate_on_container_move_assignment::value ||
allocator_traits_type::is_always_equal::value) &&
boost::container::container_detail::is_nothrow_move_assignable<Compare>::value)
{ return static_cast<map&>(this->base_t::operator=(BOOST_MOVE_BASE(base_t, x))); }
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
//! <b>Effects</b>: Assign content of il to *this.
//!
BOOST_CONTAINER_FORCEINLINE
map& operator=(std::initializer_list<value_type> il)
{
this->clear();
insert(il.begin(), il.end());
return *this;
}
#endif
#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
//! <b>Effects</b>: Returns a copy of the allocator that
//! was passed to the object's constructor.
//!
//! <b>Complexity</b>: Constant.
allocator_type get_allocator() const;
//! <b>Effects</b>: Returns a reference to the internal allocator.
//!
//! <b>Throws</b>: Nothing
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Note</b>: Non-standard extension.
stored_allocator_type &get_stored_allocator() BOOST_NOEXCEPT_OR_NOTHROW;
//! <b>Effects</b>: Returns a reference to the internal allocator.
//!
//! <b>Throws</b>: Nothing
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Note</b>: Non-standard extension.
const stored_allocator_type &get_stored_allocator() const BOOST_NOEXCEPT_OR_NOTHROW;
//! <b>Effects</b>: Returns an iterator to the first element contained in the container.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Constant.
iterator begin() BOOST_NOEXCEPT_OR_NOTHROW;
//! <b>Effects</b>: Returns a const_iterator to the first element contained in the container.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Constant.
const_iterator begin() const BOOST_NOEXCEPT_OR_NOTHROW;
//! <b>Effects</b>: Returns a const_iterator to the first element contained in the container.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Constant.
const_iterator cbegin() const BOOST_NOEXCEPT_OR_NOTHROW;
//! <b>Effects</b>: Returns an iterator to the end of the container.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Constant.
iterator end() BOOST_NOEXCEPT_OR_NOTHROW;
//! <b>Effects</b>: Returns a const_iterator to the end of the container.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Constant.
const_iterator end() const BOOST_NOEXCEPT_OR_NOTHROW;
//! <b>Effects</b>: Returns a const_iterator to the end of the container.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Constant.
const_iterator cend() const BOOST_NOEXCEPT_OR_NOTHROW;
//! <b>Effects</b>: Returns a reverse_iterator pointing to the beginning
//! of the reversed container.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Constant.
reverse_iterator rbegin() BOOST_NOEXCEPT_OR_NOTHROW;
//! <b>Effects</b>: Returns a const_reverse_iterator pointing to the beginning
//! of the reversed container.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Constant.
const_reverse_iterator rbegin() const BOOST_NOEXCEPT_OR_NOTHROW;
//! <b>Effects</b>: Returns a const_reverse_iterator pointing to the beginning
//! of the reversed container.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Constant.
const_reverse_iterator crbegin() const BOOST_NOEXCEPT_OR_NOTHROW;
//! <b>Effects</b>: Returns a reverse_iterator pointing to the end
//! of the reversed container.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Constant.
reverse_iterator rend() BOOST_NOEXCEPT_OR_NOTHROW;
//! <b>Effects</b>: Returns a const_reverse_iterator pointing to the end
//! of the reversed container.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Constant.
const_reverse_iterator rend() const BOOST_NOEXCEPT_OR_NOTHROW;
//! <b>Effects</b>: Returns a const_reverse_iterator pointing to the end
//! of the reversed container.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Constant.
const_reverse_iterator crend() const BOOST_NOEXCEPT_OR_NOTHROW;
//! <b>Effects</b>: Returns true if the container contains no elements.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Constant.
bool empty() const BOOST_NOEXCEPT_OR_NOTHROW;
//! <b>Effects</b>: Returns the number of the elements contained in the container.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Constant.
size_type size() const BOOST_NOEXCEPT_OR_NOTHROW;
//! <b>Effects</b>: Returns the largest possible size of the container.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Constant.
size_type max_size() const BOOST_NOEXCEPT_OR_NOTHROW;
#endif //#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
//! <b>Effects</b>: If there is no key equivalent to x in the map, inserts
//! value_type(x, T()) into the map.
//!
//! <b>Returns</b>: A reference to the mapped_type corresponding to x in *this.
//!
//! <b>Complexity</b>: Logarithmic.
mapped_type& operator[](const key_type &k);
//! <b>Effects</b>: If there is no key equivalent to x in the map, inserts
//! value_type(boost::move(x), T()) into the map (the key is move-constructed)
//!
//! <b>Returns</b>: A reference to the mapped_type corresponding to x in *this.
//!
//! <b>Complexity</b>: Logarithmic.
mapped_type& operator[](key_type &&k);
#elif defined(BOOST_MOVE_HELPERS_RETURN_SFINAE_BROKEN)
//in compilers like GCC 3.4, we can't catch temporaries
BOOST_CONTAINER_FORCEINLINE mapped_type& operator[](const key_type &k) { return this->priv_subscript(k); }
BOOST_CONTAINER_FORCEINLINE mapped_type& operator[](BOOST_RV_REF(key_type) k) { return this->priv_subscript(::boost::move(k)); }
#else
BOOST_MOVE_CONVERSION_AWARE_CATCH( operator[] , key_type, mapped_type&, this->priv_subscript)
#endif
//! <b>Effects</b>: If a key equivalent to k already exists in the container, assigns forward<M>(obj)
//! to the mapped_type corresponding to the key k. If the key does not exist, inserts the new value
//! as if by insert, constructing it from value_type(k, forward<M>(obj)).
//!
//! No iterators or references are invalidated. If the insertion is successful, pointers and references
//! to the element obtained while it is held in the node handle are invalidated, and pointers and
//! references obtained to that element before it was extracted become valid.
//!
//! <b>Returns</b>: The bool component is true if the insertion took place and false if the assignment
//! took place. The iterator component is pointing at the element that was inserted or updated.
//!
//! <b>Complexity</b>: Logarithmic in the size of the container.
template <class M>
BOOST_CONTAINER_FORCEINLINE std::pair<iterator, bool> insert_or_assign(const key_type& k, BOOST_FWD_REF(M) obj)
{ return this->base_t::insert_or_assign(const_iterator(), k, ::boost::forward<M>(obj)); }
//! <b>Effects</b>: If a key equivalent to k already exists in the container, assigns forward<M>(obj)
//! to the mapped_type corresponding to the key k. If the key does not exist, inserts the new value
//! as if by insert, constructing it from value_type(k, move(obj)).
//!
//! No iterators or references are invalidated. If the insertion is successful, pointers and references
//! to the element obtained while it is held in the node handle are invalidated, and pointers and
//! references obtained to that element before it was extracted become valid.
//!
//! <b>Returns</b>: The bool component is true if the insertion took place and false if the assignment
//! took place. The iterator component is pointing at the element that was inserted or updated.
//!
//! <b>Complexity</b>: Logarithmic in the size of the container.
template <class M>
BOOST_CONTAINER_FORCEINLINE std::pair<iterator, bool> insert_or_assign(BOOST_RV_REF(key_type) k, BOOST_FWD_REF(M) obj)
{ return this->base_t::insert_or_assign(const_iterator(), ::boost::move(k), ::boost::forward<M>(obj)); }
//! <b>Effects</b>: If a key equivalent to k already exists in the container, assigns forward<M>(obj)
//! to the mapped_type corresponding to the key k. If the key does not exist, inserts the new value
//! as if by insert, constructing it from value_type(k, forward<M>(obj)) and the new element
//! to the container as close as possible to the position just before hint.
//!
//! No iterators or references are invalidated. If the insertion is successful, pointers and references
//! to the element obtained while it is held in the node handle are invalidated, and pointers and
//! references obtained to that element before it was extracted become valid.
//!
//! <b>Returns</b>: The bool component is true if the insertion took place and false if the assignment
//! took place. The iterator component is pointing at the element that was inserted or updated.
//!
//! <b>Complexity</b>: Logarithmic in the size of the container in general, but amortized constant if
//! the new element is inserted just before hint.
template <class M>
BOOST_CONTAINER_FORCEINLINE iterator insert_or_assign(const_iterator hint, const key_type& k, BOOST_FWD_REF(M) obj)
{ return this->base_t::insert_or_assign(hint, k, ::boost::forward<M>(obj)); }
//! <b>Effects</b>: If a key equivalent to k already exists in the container, assigns forward<M>(obj)
//! to the mapped_type corresponding to the key k. If the key does not exist, inserts the new value
//! as if by insert, constructing it from value_type(k, move(obj)) and the new element
//! to the container as close as possible to the position just before hint.
//!
//! No iterators or references are invalidated. If the insertion is successful, pointers and references
//! to the element obtained while it is held in the node handle are invalidated, and pointers and
//! references obtained to that element before it was extracted become valid.
//!
//! <b>Returns</b>: The bool component is true if the insertion took place and false if the assignment
//! took place. The iterator component is pointing at the element that was inserted or updated.
//!
//! <b>Complexity</b>: Logarithmic in the size of the container in general, but amortized constant if
//! the new element is inserted just before hint.
template <class M>
BOOST_CONTAINER_FORCEINLINE iterator insert_or_assign(const_iterator hint, BOOST_RV_REF(key_type) k, BOOST_FWD_REF(M) obj)
{ return this->base_t::insert_or_assign(hint, ::boost::move(k), ::boost::forward<M>(obj)); }
//! <b>Returns</b>: A reference to the element whose key is equivalent to x.
//! Throws: An exception object of type out_of_range if no such element is present.
//! <b>Complexity</b>: logarithmic.
T& at(const key_type& k)
{
iterator i = this->find(k);
if(i == this->end()){
throw_out_of_range("map::at key not found");
}
return i->second;
}
//! <b>Returns</b>: A reference to the element whose key is equivalent to x.
//! Throws: An exception object of type out_of_range if no such element is present.
//! <b>Complexity</b>: logarithmic.
const T& at(const key_type& k) const
{
const_iterator i = this->find(k);
if(i == this->end()){
throw_out_of_range("map::at key not found");
}
return i->second;
}
//////////////////////////////////////////////
//
// modifiers
//
//////////////////////////////////////////////
//! <b>Effects</b>: Inserts x if and only if there is no element in the container
//! with key equivalent to the key of x.
//!
//! <b>Returns</b>: The bool component of the returned pair is true if and only
//! if the insertion takes place, and the iterator component of the pair
//! points to the element with key equivalent to the key of x.
//!
//! <b>Complexity</b>: Logarithmic.
BOOST_CONTAINER_FORCEINLINE std::pair<iterator,bool> insert(const value_type& x)
{ return this->base_t::insert_unique(x); }
//! <b>Effects</b>: Inserts a new value_type created from the pair if and only if
//! there is no element in the container with key equivalent to the key of x.
//!
//! <b>Returns</b>: The bool component of the returned pair is true if and only
//! if the insertion takes place, and the iterator component of the pair
//! points to the element with key equivalent to the key of x.
//!
//! <b>Complexity</b>: Logarithmic.
BOOST_CONTAINER_FORCEINLINE std::pair<iterator,bool> insert(const nonconst_value_type& x)
{ return this->try_emplace(x.first, x.second); }
//! <b>Effects</b>: Inserts a new value_type move constructed from the pair if and
//! only if there is no element in the container with key equivalent to the key of x.
//!
//! <b>Returns</b>: The bool component of the returned pair is true if and only
//! if the insertion takes place, and the iterator component of the pair
//! points to the element with key equivalent to the key of x.
//!
//! <b>Complexity</b>: Logarithmic.
BOOST_CONTAINER_FORCEINLINE std::pair<iterator,bool> insert(BOOST_RV_REF(nonconst_value_type) x)
{ return this->try_emplace(boost::move(x.first), boost::move(x.second)); }
//! <b>Effects</b>: Inserts a new value_type move constructed from the pair if and
//! only if there is no element in the container with key equivalent to the key of x.
//!
//! <b>Returns</b>: The bool component of the returned pair is true if and only
//! if the insertion takes place, and the iterator component of the pair
//! points to the element with key equivalent to the key of x.
//!
//! <b>Complexity</b>: Logarithmic.
BOOST_CONTAINER_FORCEINLINE std::pair<iterator,bool> insert(BOOST_RV_REF(movable_value_type) x)
{ return this->try_emplace(boost::move(x.first), boost::move(x.second)); }
//! <b>Effects</b>: Move constructs a new value from x if and only if there is
//! no element in the container with key equivalent to the key of x.
//!
//! <b>Returns</b>: The bool component of the returned pair is true if and only
//! if the insertion takes place, and the iterator component of the pair
//! points to the element with key equivalent to the key of x.
//!
//! <b>Complexity</b>: Logarithmic.
BOOST_CONTAINER_FORCEINLINE std::pair<iterator,bool> insert(BOOST_RV_REF(value_type) x)
{ return this->base_t::insert_unique(boost::move(x)); }
//! <b>Effects</b>: Inserts a copy of x in the container if and only if there is
//! no element in the container with key equivalent to the key of x.
//! p is a hint pointing to where the insert should start to search.
//!
//! <b>Returns</b>: An iterator pointing to the element with key equivalent
//! to the key of x.
//!
//! <b>Complexity</b>: Logarithmic in general, but amortized constant if t
//! is inserted right before p.
BOOST_CONTAINER_FORCEINLINE iterator insert(const_iterator p, const value_type& x)
{ return this->base_t::insert_unique(p, x); }
//! <b>Effects</b>: Move constructs a new value from x if and only if there is
//! no element in the container with key equivalent to the key of x.
//! p is a hint pointing to where the insert should start to search.
//!
//! <b>Returns</b>: An iterator pointing to the element with key equivalent
//! to the key of x.
//!
//! <b>Complexity</b>: Logarithmic in general, but amortized constant if t
//! is inserted right before p.
iterator insert(const_iterator p, BOOST_RV_REF(nonconst_value_type) x)
{ return this->try_emplace(p, boost::move(x.first), boost::move(x.second)); }
//! <b>Effects</b>: Move constructs a new value from x if and only if there is
//! no element in the container with key equivalent to the key of x.
//! p is a hint pointing to where the insert should start to search.
//!
//! <b>Returns</b>: An iterator pointing to the element with key equivalent
//! to the key of x.
//!
//! <b>Complexity</b>: Logarithmic in general, but amortized constant if t
//! is inserted right before p.
iterator insert(const_iterator p, BOOST_RV_REF(movable_value_type) x)
{ return this->try_emplace(p, boost::move(x.first), boost::move(x.second)); }
//! <b>Effects</b>: Inserts a copy of x in the container.
//! p is a hint pointing to where the insert should start to search.
//!
//! <b>Returns</b>: An iterator pointing to the element with key equivalent to the key of x.
//!
//! <b>Complexity</b>: Logarithmic.
iterator insert(const_iterator p, const nonconst_value_type& x)
{ return this->try_emplace(p, x.first, x.second); }
//! <b>Effects</b>: Inserts an element move constructed from x in the container.
//! p is a hint pointing to where the insert should start to search.
//!
//! <b>Returns</b>: An iterator pointing to the element with key equivalent to the key of x.
//!
//! <b>Complexity</b>: Logarithmic.
iterator insert(const_iterator p, BOOST_RV_REF(value_type) x)
{ return this->base_t::insert_unique(p, boost::move(x)); }
//! <b>Requires</b>: first, last are not iterators into *this.
//!
//! <b>Effects</b>: inserts each element from the range [first,last) if and only
//! if there is no element with key equivalent to the key of that element.
//!
//! <b>Complexity</b>: At most N log(size()+N) (N is the distance from first to last)
template <class InputIterator>
BOOST_CONTAINER_FORCEINLINE void insert(InputIterator first, InputIterator last)
{ this->base_t::insert_unique(first, last); }
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
//! <b>Effects</b>: inserts each element from the range [il.begin(), il.end()) if and only
//! if there is no element with key equivalent to the key of that element.
//!
//! <b>Complexity</b>: At most N log(size()+N) (N is the distance from il.begin() to il.end())
BOOST_CONTAINER_FORCEINLINE void insert(std::initializer_list<value_type> il)
{ this->base_t::insert_unique(il.begin(), il.end()); }
#endif
//! <b>Requires</b>: nh is empty or this->get_allocator() == nh.get_allocator().
//!
//! <b>Effects</b>: If nh is empty, has no effect. Otherwise, inserts the element owned
//! by nh if and only if there is no element in the container with a key equivalent to nh.key().
//!
//! <b>Returns</b>: If nh is empty, insert_return_type.inserted is false, insert_return_type.position
//! is end(), and insert_return_type.node is empty. Otherwise if the insertion took place,
//! insert_return_type.inserted is true, insert_return_type.position points to the inserted element,
//! and insert_return_type.node is empty; if the insertion failed, insert_return_type.inserted is
//! false, insert_return_type.node has the previous value of nh, and insert_return_type.position
//! points to an element with a key equivalent to nh.key().
//!
//! <b>Complexity</b>: Logarithmic
insert_return_type insert(BOOST_RV_REF_BEG_IF_CXX11 node_type BOOST_RV_REF_END_IF_CXX11 nh)
{
typename base_t::node_type n(boost::move(nh));
typename base_t::insert_return_type base_ret(this->base_t::insert_unique_node(boost::move(n)));
return insert_return_type (base_ret.inserted, base_ret.position, boost::move(base_ret.node));
}
//! <b>Effects</b>: Same as `insert(node_type && nh)` but the element is inserted as close as possible
//! to the position just prior to "hint".
//!
//! <b>Complexity</b>: logarithmic in general, but amortized constant if the element is inserted
//! right before "hint".
insert_return_type insert(const_iterator hint, BOOST_RV_REF_BEG_IF_CXX11 node_type BOOST_RV_REF_END_IF_CXX11 nh)
{
typename base_t::node_type n(boost::move(nh));
typename base_t::insert_return_type base_ret(this->base_t::insert_unique_node(hint, boost::move(n)));
return insert_return_type (base_ret.inserted, base_ret.position, boost::move(base_ret.node));
}
#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) || defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
//! <b>Effects</b>: Inserts an object x of type T constructed with
//! std::forward<Args>(args)... in the container if and only if there is
//! no element in the container with an equivalent key.
//! p is a hint pointing to where the insert should start to search.
//!
//! <b>Returns</b>: The bool component of the returned pair is true if and only
//! if the insertion takes place, and the iterator component of the pair
//! points to the element with key equivalent to the key of x.
//!
//! <b>Complexity</b>: Logarithmic in general, but amortized constant if t
//! is inserted right before p.
template <class... Args>
BOOST_CONTAINER_FORCEINLINE std::pair<iterator,bool> emplace(BOOST_FWD_REF(Args)... args)
{ return this->base_t::emplace_unique(boost::forward<Args>(args)...); }
//! <b>Effects</b>: Inserts an object of type T constructed with
//! std::forward<Args>(args)... in the container if and only if there is
//! no element in the container with an equivalent key.
//! p is a hint pointing to where the insert should start to search.
//!
//! <b>Returns</b>: An iterator pointing to the element with key equivalent
//! to the key of x.
//!
//! <b>Complexity</b>: Logarithmic in general, but amortized constant if t
//! is inserted right before p.
template <class... Args>
BOOST_CONTAINER_FORCEINLINE iterator emplace_hint(const_iterator p, BOOST_FWD_REF(Args)... args)
{ return this->base_t::emplace_hint_unique(p, boost::forward<Args>(args)...); }
//! <b>Requires</b>: value_type shall be EmplaceConstructible into map from piecewise_construct,
//! forward_as_tuple(k), forward_as_tuple(forward<Args>(args)...).
//!
//! <b>Effects</b>: If the map already contains an element whose key is equivalent to k, there is no effect. Otherwise
//! inserts an object of type value_type constructed with piecewise_construct, forward_as_tuple(k),
//! forward_as_tuple(forward<Args>(args)...).
//!
//! <b>Returns</b>: The bool component of the returned pair is true if and only if the
//! insertion took place. The returned iterator points to the map element whose key is equivalent to k.
//!
//! <b>Complexity</b>: Logarithmic.
template <class... Args>
BOOST_CONTAINER_FORCEINLINE std::pair<iterator, bool> try_emplace(const key_type& k, BOOST_FWD_REF(Args)... args)
{ return this->base_t::try_emplace(const_iterator(), k, boost::forward<Args>(args)...); }
//! <b>Requires</b>: value_type shall be EmplaceConstructible into map from piecewise_construct,
//! forward_as_tuple(k), forward_as_tuple(forward<Args>(args)...).
//!
//! <b>Effects</b>: If the map already contains an element whose key is equivalent to k, there is no effect. Otherwise
//! inserts an object of type value_type constructed with piecewise_construct, forward_as_tuple(k),
//! forward_as_tuple(forward<Args>(args)...).
//!
//! <b>Returns</b>: The returned iterator points to the map element whose key is equivalent to k.
//!
//! <b>Complexity</b>: Logarithmic in general, but amortized constant if value
//! is inserted right before p.
template <class... Args>
BOOST_CONTAINER_FORCEINLINE iterator try_emplace(const_iterator hint, const key_type &k, BOOST_FWD_REF(Args)... args)
{ return this->base_t::try_emplace(hint, k, boost::forward<Args>(args)...).first; }
//! <b>Requires</b>: value_type shall be EmplaceConstructible into map from piecewise_construct,
//! forward_as_tuple(move(k)), forward_as_tuple(forward<Args>(args)...).
//!
//! <b>Effects</b>: If the map already contains an element whose key is equivalent to k, there is no effect. Otherwise
//! inserts an object of type value_type constructed with piecewise_construct, forward_as_tuple(move(k)),
//! forward_as_tuple(forward<Args>(args)...).
//!
//! <b>Returns</b>: The bool component of the returned pair is true if and only if the
//! insertion took place. The returned iterator points to the map element whose key is equivalent to k.
//!
//! <b>Complexity</b>: Logarithmic.
template <class... Args>
BOOST_CONTAINER_FORCEINLINE std::pair<iterator, bool> try_emplace(BOOST_RV_REF(key_type) k, BOOST_FWD_REF(Args)... args)
{ return this->base_t::try_emplace(const_iterator(), boost::move(k), boost::forward<Args>(args)...); }
//! <b>Requires</b>: value_type shall be EmplaceConstructible into map from piecewise_construct,
//! forward_as_tuple(move(k)), forward_as_tuple(forward<Args>(args)...).
//!
//! <b>Effects</b>: If the map already contains an element whose key is equivalent to k, there is no effect. Otherwise
//! inserts an object of type value_type constructed with piecewise_construct, forward_as_tuple(move(k)),
//! forward_as_tuple(forward<Args>(args)...).
//!
//! <b>Returns</b>: The returned iterator points to the map element whose key is equivalent to k.
//!
//! <b>Complexity</b>: Logarithmic in general, but amortized constant if value
//! is inserted right before p.
template <class... Args>
BOOST_CONTAINER_FORCEINLINE iterator try_emplace(const_iterator hint, BOOST_RV_REF(key_type) k, BOOST_FWD_REF(Args)... args)
{ return this->base_t::try_emplace(hint, boost::move(k), boost::forward<Args>(args)...).first; }
#else // !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
#define BOOST_CONTAINER_MAP_EMPLACE_CODE(N) \
BOOST_MOVE_TMPL_LT##N BOOST_MOVE_CLASS##N BOOST_MOVE_GT##N \
BOOST_CONTAINER_FORCEINLINE std::pair<iterator,bool> emplace(BOOST_MOVE_UREF##N)\
{ return this->base_t::emplace_unique(BOOST_MOVE_FWD##N); }\
\
BOOST_MOVE_TMPL_LT##N BOOST_MOVE_CLASS##N BOOST_MOVE_GT##N \
BOOST_CONTAINER_FORCEINLINE iterator emplace_hint(const_iterator hint BOOST_MOVE_I##N BOOST_MOVE_UREF##N)\
{ return this->base_t::emplace_hint_unique(hint BOOST_MOVE_I##N BOOST_MOVE_FWD##N); }\
\
BOOST_MOVE_TMPL_LT##N BOOST_MOVE_CLASS##N BOOST_MOVE_GT##N \
BOOST_CONTAINER_FORCEINLINE std::pair<iterator, bool> try_emplace(const key_type& k BOOST_MOVE_I##N BOOST_MOVE_UREF##N)\
{ return this->base_t::try_emplace(const_iterator(), k BOOST_MOVE_I##N BOOST_MOVE_FWD##N); }\
\
BOOST_MOVE_TMPL_LT##N BOOST_MOVE_CLASS##N BOOST_MOVE_GT##N \
BOOST_CONTAINER_FORCEINLINE iterator try_emplace(const_iterator hint, const key_type &k BOOST_MOVE_I##N BOOST_MOVE_UREF##N)\
{ return this->base_t::try_emplace(hint, k BOOST_MOVE_I##N BOOST_MOVE_FWD##N).first; }\
\
BOOST_MOVE_TMPL_LT##N BOOST_MOVE_CLASS##N BOOST_MOVE_GT##N \
BOOST_CONTAINER_FORCEINLINE std::pair<iterator, bool> try_emplace(BOOST_RV_REF(key_type) k BOOST_MOVE_I##N BOOST_MOVE_UREF##N)\
{ return this->base_t::try_emplace(const_iterator(), boost::move(k) BOOST_MOVE_I##N BOOST_MOVE_FWD##N); }\
\
BOOST_MOVE_TMPL_LT##N BOOST_MOVE_CLASS##N BOOST_MOVE_GT##N \
BOOST_CONTAINER_FORCEINLINE iterator try_emplace(const_iterator hint, BOOST_RV_REF(key_type) k BOOST_MOVE_I##N BOOST_MOVE_UREF##N)\
{ return this->base_t::try_emplace(hint, boost::move(k) BOOST_MOVE_I##N BOOST_MOVE_FWD##N).first; }\
//
BOOST_MOVE_ITERATE_0TO9(BOOST_CONTAINER_MAP_EMPLACE_CODE)
#undef BOOST_CONTAINER_MAP_EMPLACE_CODE
#endif // !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
//! <b>Effects</b>: Erases the element pointed to by p.
//!
//! <b>Returns</b>: Returns an iterator pointing to the element immediately
//! following q prior to the element being erased. If no such element exists,
//! returns end().
//!
//! <b>Complexity</b>: Amortized constant time
iterator erase(const_iterator p) BOOST_NOEXCEPT_OR_NOTHROW;
//! <b>Effects</b>: Erases all elements in the container with key equivalent to x.
//!
//! <b>Returns</b>: Returns the number of erased elements.
//!
//! <b>Complexity</b>: log(size()) + count(k)
size_type erase(const key_type& x) BOOST_NOEXCEPT_OR_NOTHROW;
//! <b>Effects</b>: Erases all the elements in the range [first, last).
//!
//! <b>Returns</b>: Returns last.
//!
//! <b>Complexity</b>: log(size())+N where N is the distance from first to last.
iterator erase(const_iterator first, const_iterator last) BOOST_NOEXCEPT_OR_NOTHROW;
#endif
//! <b>Effects</b>: Removes the first element in the container with key equivalent to k.
//!
//! <b>Returns</b>: A node_type owning the element if found, otherwise an empty node_type.
//!
//! <b>Complexity</b>: log(a.size()).
node_type extract(const key_type& k)
{
typename base_t::node_type base_nh(this->base_t::extract(k));
node_type nh(boost::move(base_nh));
return BOOST_MOVE_RET(node_type, nh);
}
//! <b>Effects</b>: Removes the element pointed to by "position".
//!
//! <b>Returns</b>: A node_type owning the element, otherwise an empty node_type.
//!
//! <b>Complexity</b>: Amortized constant.
node_type extract(const_iterator position)
{
typename base_t::node_type base_nh(this->base_t::extract(position));
node_type nh(boost::move(base_nh));
return BOOST_MOVE_RET(node_type, nh);
}
//! <b>Requires</b>: this->get_allocator() == source.get_allocator().
//!
//! <b>Effects</b>: Attempts to extract each element in source and insert it into a using
//! the comparison object of *this. If there is an element in a with key equivalent to the
//! key of an element from source, then that element is not extracted from source.
//!
//! <b>Postcondition</b>: Pointers and references to the transferred elements of source refer
//! to those same elements but as members of *this. Iterators referring to the transferred
//! elements will continue to refer to their elements, but they now behave as iterators into *this,
//! not into source.
//!
//! <b>Throws</b>: Nothing unless the comparison object throws.
//!
//! <b>Complexity</b>: N log(a.size() + N) (N has the value source.size())
template<class C2>
BOOST_CONTAINER_FORCEINLINE void merge(map<Key, T, C2, Allocator, Options>& source)
{
typedef container_detail::tree
<value_type_impl, select_1st_t, C2, Allocator, Options> base2_t;
this->merge_unique(static_cast<base2_t&>(source));
}
//! @copydoc ::boost::container::map::merge(map<Key, T, C2, Allocator, Options>&)
template<class C2>
BOOST_CONTAINER_FORCEINLINE void merge(BOOST_RV_REF_BEG map<Key, T, C2, Allocator, Options> BOOST_RV_REF_END source)
{ return this->merge(static_cast<map<Key, T, C2, Allocator, Options>&>(source)); }
//! @copydoc ::boost::container::map::merge(map<Key, T, C2, Allocator, Options>&)
template<class C2>
BOOST_CONTAINER_FORCEINLINE void merge(multimap<Key, T, C2, Allocator, Options>& source)
{
typedef container_detail::tree
<value_type_impl, select_1st_t, C2, Allocator, Options> base2_t;
this->base_t::merge_unique(static_cast<base2_t&>(source));
}
//! @copydoc ::boost::container::map::merge(map<Key, T, C2, Allocator, Options>&)
template<class C2>
BOOST_CONTAINER_FORCEINLINE void merge(BOOST_RV_REF_BEG multimap<Key, T, C2, Allocator, Options> BOOST_RV_REF_END source)
{ return this->merge(static_cast<multimap<Key, T, C2, Allocator, Options>&>(source)); }
#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
//! <b>Effects</b>: Swaps the contents of *this and x.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Constant.
void swap(map& x)
BOOST_NOEXCEPT_IF( allocator_traits_type::is_always_equal::value
&& boost::container::container_detail::is_nothrow_swappable<Compare>::value )
//! <b>Effects</b>: erase(a.begin(),a.end()).
//!
//! <b>Postcondition</b>: size() == 0.
//!
//! <b>Complexity</b>: linear in size().
void clear() BOOST_NOEXCEPT_OR_NOTHROW;
//! <b>Effects</b>: Returns the comparison object out
//! of which a was constructed.
//!
//! <b>Complexity</b>: Constant.
key_compare key_comp() const;
//! <b>Effects</b>: Returns an object of value_compare constructed out
//! of the comparison object.
//!
//! <b>Complexity</b>: Constant.
value_compare value_comp() const;
//! <b>Returns</b>: An iterator pointing to an element with the key
//! equivalent to x, or end() if such an element is not found.
//!
//! <b>Complexity</b>: Logarithmic.
iterator find(const key_type& x);
//! <b>Returns</b>: A const_iterator pointing to an element with the key
//! equivalent to x, or end() if such an element is not found.
//!
//! <b>Complexity</b>: Logarithmic.
const_iterator find(const key_type& x) const;
#endif //#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
//! <b>Returns</b>: The number of elements with key equivalent to x.
//!
//! <b>Complexity</b>: log(size())+count(k)
BOOST_CONTAINER_FORCEINLINE size_type count(const key_type& x) const
{ return static_cast<size_type>(this->find(x) != this->cend()); }
#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
//! <b>Returns</b>: An iterator pointing to the first element with key not less
//! than k, or a.end() if such an element is not found.
//!
//! <b>Complexity</b>: Logarithmic
iterator lower_bound(const key_type& x);
//! <b>Returns</b>: A const iterator pointing to the first element with key not
//! less than k, or a.end() if such an element is not found.
//!
//! <b>Complexity</b>: Logarithmic
const_iterator lower_bound(const key_type& x) const;
//! <b>Returns</b>: An iterator pointing to the first element with key not less
//! than x, or end() if such an element is not found.
//!
//! <b>Complexity</b>: Logarithmic
iterator upper_bound(const key_type& x);
//! <b>Returns</b>: A const iterator pointing to the first element with key not
//! less than x, or end() if such an element is not found.
//!
//! <b>Complexity</b>: Logarithmic
const_iterator upper_bound(const key_type& x) const;
//! <b>Effects</b>: Equivalent to std::make_pair(this->lower_bound(k), this->upper_bound(k)).
//!
//! <b>Complexity</b>: Logarithmic
std::pair<iterator,iterator> equal_range(const key_type& x);
//! <b>Effects</b>: Equivalent to std::make_pair(this->lower_bound(k), this->upper_bound(k)).
//!
//! <b>Complexity</b>: Logarithmic
std::pair<const_iterator,const_iterator> equal_range(const key_type& x) const;
//! <b>Effects</b>: Rebalances the tree. It's a no-op for Red-Black and AVL trees.
//!
//! <b>Complexity</b>: Linear
void rebalance();
//! <b>Effects</b>: Returns true if x and y are equal
//!
//! <b>Complexity</b>: Linear to the number of elements in the container.
friend bool operator==(const map& x, const map& y);
//! <b>Effects</b>: Returns true if x and y are unequal
//!
//! <b>Complexity</b>: Linear to the number of elements in the container.
friend bool operator!=(const map& x, const map& y);
//! <b>Effects</b>: Returns true if x is less than y
//!
//! <b>Complexity</b>: Linear to the number of elements in the container.
friend bool operator<(const map& x, const map& y);
//! <b>Effects</b>: Returns true if x is greater than y
//!
//! <b>Complexity</b>: Linear to the number of elements in the container.
friend bool operator>(const map& x, const map& y);
//! <b>Effects</b>: Returns true if x is equal or less than y
//!
//! <b>Complexity</b>: Linear to the number of elements in the container.
friend bool operator<=(const map& x, const map& y);
//! <b>Effects</b>: Returns true if x is equal or greater than y
//!
//! <b>Complexity</b>: Linear to the number of elements in the container.
friend bool operator>=(const map& x, const map& y);
//! <b>Effects</b>: x.swap(y)
//!
//! <b>Complexity</b>: Constant.
friend void swap(map& x, map& y);
#endif //#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
private:
template<class KeyConvertible>
BOOST_CONTAINER_FORCEINLINE mapped_type& priv_subscript(BOOST_FWD_REF(KeyConvertible) k)
{
return this->try_emplace(boost::forward<KeyConvertible>(k)).first->second;
}
#endif //#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
};
#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
} //namespace container {
//!has_trivial_destructor_after_move<> == true_type
//!specialization for optimizations
template <class Key, class T, class Compare, class Allocator>
struct has_trivial_destructor_after_move<boost::container::map<Key, T, Compare, Allocator> >
{
typedef typename ::boost::container::allocator_traits<Allocator>::pointer pointer;
static const bool value = ::boost::has_trivial_destructor_after_move<Allocator>::value &&
::boost::has_trivial_destructor_after_move<pointer>::value &&
::boost::has_trivial_destructor_after_move<Compare>::value;
};
namespace container {
#endif //#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
#ifdef BOOST_CONTAINER_DOXYGEN_INVOKED
//! A multimap is a kind of associative container that supports equivalent keys
//! (possibly containing multiple copies of the same key value) and provides for
//! fast retrieval of values of another type T based on the keys. The multimap class
//! supports bidirectional iterators.
//!
//! A multimap satisfies all of the requirements of a container and of a reversible
//! container and of an associative container. The <code>value_type</code> stored
//! by this container is the value_type is std::pair<const Key, T>.
//!
//! \tparam Key is the key_type of the map
//! \tparam Value is the <code>mapped_type</code>
//! \tparam Compare is the ordering function for Keys (e.g. <i>std::less<Key></i>).
//! \tparam Allocator is the allocator to allocate the <code>value_type</code>s
//! (e.g. <i>allocator< std::pair<const Key, T> > </i>).
//! \tparam Options is an packed option type generated using using boost::container::tree_assoc_options.
template < class Key, class T, class Compare = std::less<Key>
, class Allocator = new_allocator< std::pair< const Key, T> >, class Options = tree_assoc_defaults>
#else
template <class Key, class T, class Compare, class Allocator, class Options>
#endif
class multimap
///@cond
: public container_detail::tree
< std::pair<const Key, T>
, container_detail::select1st<Key>
, Compare, Allocator, Options>
///@endcond
{
#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
private:
BOOST_COPYABLE_AND_MOVABLE(multimap)
typedef container_detail::select1st<Key> select_1st_t;
typedef std::pair<const Key, T> value_type_impl;
typedef container_detail::tree
<value_type_impl, select_1st_t, Compare, Allocator, Options> base_t;
typedef container_detail::pair <Key, T> movable_value_type_impl;
typedef typename base_t::value_compare value_compare_impl;
#endif //#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
typedef ::boost::container::allocator_traits<Allocator> allocator_traits_type;
public:
//////////////////////////////////////////////
//
// types
//
//////////////////////////////////////////////
typedef Key key_type;
typedef T mapped_type;
typedef std::pair<const Key, T> value_type;
typedef typename boost::container::allocator_traits<Allocator>::pointer pointer;
typedef typename boost::container::allocator_traits<Allocator>::const_pointer const_pointer;
typedef typename boost::container::allocator_traits<Allocator>::reference reference;
typedef typename boost::container::allocator_traits<Allocator>::const_reference const_reference;
typedef typename boost::container::allocator_traits<Allocator>::size_type size_type;
typedef typename boost::container::allocator_traits<Allocator>::difference_type difference_type;
typedef Allocator allocator_type;
typedef typename BOOST_CONTAINER_IMPDEF(base_t::stored_allocator_type) stored_allocator_type;
typedef BOOST_CONTAINER_IMPDEF(value_compare_impl) value_compare;
typedef Compare key_compare;
typedef typename BOOST_CONTAINER_IMPDEF(base_t::iterator) iterator;
typedef typename BOOST_CONTAINER_IMPDEF(base_t::const_iterator) const_iterator;
typedef typename BOOST_CONTAINER_IMPDEF(base_t::reverse_iterator) reverse_iterator;
typedef typename BOOST_CONTAINER_IMPDEF(base_t::const_reverse_iterator) const_reverse_iterator;
typedef std::pair<key_type, mapped_type> nonconst_value_type;
typedef BOOST_CONTAINER_IMPDEF(movable_value_type_impl) movable_value_type;
typedef BOOST_CONTAINER_IMPDEF(node_handle<
typename base_t::node_type::container_node_type
BOOST_MOVE_I value_type
BOOST_MOVE_I allocator_type
BOOST_MOVE_I pair_key_mapped_of_value
<key_type BOOST_MOVE_I mapped_type> >) node_type;
//////////////////////////////////////////////
//
// construct/copy/destroy
//
//////////////////////////////////////////////
//! <b>Effects</b>: Default constructs an empty multimap.
//!
//! <b>Complexity</b>: Constant.
BOOST_CONTAINER_FORCEINLINE
multimap() BOOST_NOEXCEPT_IF(container_detail::is_nothrow_default_constructible<Allocator>::value &&
container_detail::is_nothrow_default_constructible<Compare>::value)
: base_t()
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
//! <b>Effects</b>: Constructs an empty multimap using the specified allocator.
//!
//! <b>Complexity</b>: Constant.
BOOST_CONTAINER_FORCEINLINE
explicit multimap(const Compare& comp, const allocator_type& a = allocator_type())
: base_t(comp, a)
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
//! <b>Effects</b>: Constructs an empty multimap using the specified comparison
//! object and allocator.
//!
//! <b>Complexity</b>: Constant.
BOOST_CONTAINER_FORCEINLINE
explicit multimap(const allocator_type& a)
: base_t(a)
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
//! <b>Effects</b>: Constructs an empty multimap using the specified comparison object
//! and allocator, and inserts elements from the range [first ,last ).
//!
//! <b>Complexity</b>: Linear in N if the range [first ,last ) is already sorted using
//! comp and otherwise N logN, where N is last - first.
template <class InputIterator>
BOOST_CONTAINER_FORCEINLINE
multimap(InputIterator first, InputIterator last,
const Compare& comp = Compare(),
const allocator_type& a = allocator_type())
: base_t(false, first, last, comp, a)
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
//! <b>Effects</b>: Constructs an empty multimap using the specified
//! allocator, and inserts elements from the range [first ,last ).
//!
//! <b>Complexity</b>: Linear in N if the range [first ,last ) is already sorted using
//! comp and otherwise N logN, where N is last - first.
template <class InputIterator>
BOOST_CONTAINER_FORCEINLINE multimap(InputIterator first, InputIterator last, const allocator_type& a)
: base_t(false, first, last, Compare(), a)
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
//! <b>Effects</b>: Constructs an empty multimap using the specified comparison object and
//! allocator, and inserts elements from the ordered range [first ,last). This function
//! is more efficient than the normal range creation for ordered ranges.
//!
//! <b>Requires</b>: [first ,last) must be ordered according to the predicate.
//!
//! <b>Complexity</b>: Linear in N.
//!
//! <b>Note</b>: Non-standard extension.
template <class InputIterator>
BOOST_CONTAINER_FORCEINLINE multimap(ordered_range_t, InputIterator first, InputIterator last, const Compare& comp = Compare(),
const allocator_type& a = allocator_type())
: base_t(ordered_range, first, last, comp, a)
{}
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
//! <b>Effects</b>: Constructs an empty multimap using the specified comparison object and
//! allocator, and inserts elements from the range [il.begin(), il.end()).
//!
//! <b>Complexity</b>: Linear in N if the range [first ,last ) is already sorted using
//! comp and otherwise N logN, where N is il.first() - il.end().
BOOST_CONTAINER_FORCEINLINE
multimap(std::initializer_list<value_type> il, const Compare& comp = Compare(),
const allocator_type& a = allocator_type())
: base_t(false, il.begin(), il.end(), comp, a)
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
//! <b>Effects</b>: Constructs an empty multimap using the specified
//! allocator, and inserts elements from the range [il.begin(), il.end()).
//!
//! <b>Complexity</b>: Linear in N if the range [first ,last ) is already sorted using
//! comp and otherwise N logN, where N is il.first() - il.end().
BOOST_CONTAINER_FORCEINLINE
multimap(std::initializer_list<value_type> il, const allocator_type& a)
: base_t(false, il.begin(), il.end(), Compare(), a)
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
//! <b>Effects</b>: Constructs an empty set using the specified comparison object and
//! allocator, and inserts elements from the ordered range [il.begin(), il.end()). This function
//! is more efficient than the normal range creation for ordered ranges.
//!
//! <b>Requires</b>: [il.begin(), il.end()) must be ordered according to the predicate.
//!
//! <b>Complexity</b>: Linear in N.
//!
//! <b>Note</b>: Non-standard extension.
BOOST_CONTAINER_FORCEINLINE
multimap(ordered_range_t, std::initializer_list<value_type> il, const Compare& comp = Compare(),
const allocator_type& a = allocator_type())
: base_t(ordered_range, il.begin(), il.end(), comp, a)
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
#endif
//! <b>Effects</b>: Copy constructs a multimap.
//!
//! <b>Complexity</b>: Linear in x.size().
BOOST_CONTAINER_FORCEINLINE multimap(const multimap& x)
: base_t(static_cast<const base_t&>(x))
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
//! <b>Effects</b>: Move constructs a multimap. Constructs *this using x's resources.
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Postcondition</b>: x is emptied.
BOOST_CONTAINER_FORCEINLINE multimap(BOOST_RV_REF(multimap) x)
BOOST_NOEXCEPT_IF(boost::container::container_detail::is_nothrow_move_constructible<Compare>::value)
: base_t(BOOST_MOVE_BASE(base_t, x))
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
//! <b>Effects</b>: Copy constructs a multimap.
//!
//! <b>Complexity</b>: Linear in x.size().
BOOST_CONTAINER_FORCEINLINE multimap(const multimap& x, const allocator_type &a)
: base_t(static_cast<const base_t&>(x), a)
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
//! <b>Effects</b>: Move constructs a multimap using the specified allocator.
//! Constructs *this using x's resources.
//! <b>Complexity</b>: Constant if a == x.get_allocator(), linear otherwise.
//!
//! <b>Postcondition</b>: x is emptied.
BOOST_CONTAINER_FORCEINLINE multimap(BOOST_RV_REF(multimap) x, const allocator_type &a)
: base_t(BOOST_MOVE_BASE(base_t, x), a)
{
//A type must be std::pair<CONST Key, T>
BOOST_STATIC_ASSERT((container_detail::is_same<std::pair<const Key, T>, typename Allocator::value_type>::value));
}
//! <b>Effects</b>: Makes *this a copy of x.
//!
//! <b>Complexity</b>: Linear in x.size().
BOOST_CONTAINER_FORCEINLINE multimap& operator=(BOOST_COPY_ASSIGN_REF(multimap) x)
{ return static_cast<multimap&>(this->base_t::operator=(static_cast<const base_t&>(x))); }
//! <b>Effects</b>: this->swap(x.get()).
//!
//! <b>Complexity</b>: Constant.
BOOST_CONTAINER_FORCEINLINE multimap& operator=(BOOST_RV_REF(multimap) x)
BOOST_NOEXCEPT_IF( (allocator_traits_type::propagate_on_container_move_assignment::value ||
allocator_traits_type::is_always_equal::value) &&
boost::container::container_detail::is_nothrow_move_assignable<Compare>::value)
{ return static_cast<multimap&>(this->base_t::operator=(BOOST_MOVE_BASE(base_t, x))); }
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
//! <b>Effects</b>: Assign content of il to *this.
//!
BOOST_CONTAINER_FORCEINLINE multimap& operator=(std::initializer_list<value_type> il)
{
this->clear();
insert(il.begin(), il.end());
return *this;
}
#endif
#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
//! @copydoc ::boost::container::set::get_allocator()
allocator_type get_allocator() const;
//! @copydoc ::boost::container::set::get_stored_allocator()
stored_allocator_type &get_stored_allocator();
//! @copydoc ::boost::container::set::get_stored_allocator() const
const stored_allocator_type &get_stored_allocator() const;
//! @copydoc ::boost::container::set::begin()
iterator begin();
//! @copydoc ::boost::container::set::begin() const
const_iterator begin() const;
//! @copydoc ::boost::container::set::cbegin() const
const_iterator cbegin() const;
//! @copydoc ::boost::container::set::end()
iterator end() BOOST_NOEXCEPT_OR_NOTHROW;
//! @copydoc ::boost::container::set::end() const
const_iterator end() const BOOST_NOEXCEPT_OR_NOTHROW;
//! @copydoc ::boost::container::set::cend() const
const_iterator cend() const BOOST_NOEXCEPT_OR_NOTHROW;
//! @copydoc ::boost::container::set::rbegin()
reverse_iterator rbegin() BOOST_NOEXCEPT_OR_NOTHROW;
//! @copydoc ::boost::container::set::rbegin() const
const_reverse_iterator rbegin() const BOOST_NOEXCEPT_OR_NOTHROW;
//! @copydoc ::boost::container::set::crbegin() const
const_reverse_iterator crbegin() const BOOST_NOEXCEPT_OR_NOTHROW;
//! @copydoc ::boost::container::set::rend()
reverse_iterator rend() BOOST_NOEXCEPT_OR_NOTHROW;
//! @copydoc ::boost::container::set::rend() const
const_reverse_iterator rend() const BOOST_NOEXCEPT_OR_NOTHROW;
//! @copydoc ::boost::container::set::crend() const
const_reverse_iterator crend() const BOOST_NOEXCEPT_OR_NOTHROW;
//! @copydoc ::boost::container::set::empty() const
bool empty() const;
//! @copydoc ::boost::container::set::size() const
size_type size() const;
//! @copydoc ::boost::container::set::max_size() const
size_type max_size() const;
#endif //#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) || defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
//! <b>Effects</b>: Inserts an object of type T constructed with
//! std::forward<Args>(args)... in the container.
//! p is a hint pointing to where the insert should start to search.
//!
//! <b>Returns</b>: An iterator pointing to the element with key equivalent
//! to the key of x.
//!
//! <b>Complexity</b>: Logarithmic in general, but amortized constant if t
//! is inserted right before p.
template <class... Args>
BOOST_CONTAINER_FORCEINLINE iterator emplace(BOOST_FWD_REF(Args)... args)
{ return this->base_t::emplace_equal(boost::forward<Args>(args)...); }
//! <b>Effects</b>: Inserts an object of type T constructed with
//! std::forward<Args>(args)... in the container.
//! p is a hint pointing to where the insert should start to search.
//!
//! <b>Returns</b>: An iterator pointing to the element with key equivalent
//! to the key of x.
//!
//! <b>Complexity</b>: Logarithmic in general, but amortized constant if t
//! is inserted right before p.
template <class... Args>
BOOST_CONTAINER_FORCEINLINE iterator emplace_hint(const_iterator p, BOOST_FWD_REF(Args)... args)
{ return this->base_t::emplace_hint_equal(p, boost::forward<Args>(args)...); }
#else // !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
#define BOOST_CONTAINER_MULTIMAP_EMPLACE_CODE(N) \
BOOST_MOVE_TMPL_LT##N BOOST_MOVE_CLASS##N BOOST_MOVE_GT##N \
BOOST_CONTAINER_FORCEINLINE iterator emplace(BOOST_MOVE_UREF##N)\
{ return this->base_t::emplace_equal(BOOST_MOVE_FWD##N); }\
\
BOOST_MOVE_TMPL_LT##N BOOST_MOVE_CLASS##N BOOST_MOVE_GT##N \
BOOST_CONTAINER_FORCEINLINE iterator emplace_hint(const_iterator hint BOOST_MOVE_I##N BOOST_MOVE_UREF##N)\
{ return this->base_t::emplace_hint_equal(hint BOOST_MOVE_I##N BOOST_MOVE_FWD##N); }\
//
BOOST_MOVE_ITERATE_0TO9(BOOST_CONTAINER_MULTIMAP_EMPLACE_CODE)
#undef BOOST_CONTAINER_MULTIMAP_EMPLACE_CODE
#endif // !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
//! <b>Effects</b>: Inserts x and returns the iterator pointing to the
//! newly inserted element.
//!
//! <b>Complexity</b>: Logarithmic.
BOOST_CONTAINER_FORCEINLINE iterator insert(const value_type& x)
{ return this->base_t::insert_equal(x); }
//! <b>Effects</b>: Inserts a new value constructed from x and returns
//! the iterator pointing to the newly inserted element.
//!
//! <b>Complexity</b>: Logarithmic.
BOOST_CONTAINER_FORCEINLINE iterator insert(const nonconst_value_type& x)
{ return this->base_t::emplace_equal(x); }
//! <b>Effects</b>: Inserts a new value move-constructed from x and returns
//! the iterator pointing to the newly inserted element.
//!
//! <b>Complexity</b>: Logarithmic.
BOOST_CONTAINER_FORCEINLINE iterator insert(BOOST_RV_REF(nonconst_value_type) x)
{ return this->base_t::emplace_equal(boost::move(x)); }
//! <b>Effects</b>: Inserts a new value move-constructed from x and returns
//! the iterator pointing to the newly inserted element.
//!
//! <b>Complexity</b>: Logarithmic.
iterator insert(BOOST_RV_REF(movable_value_type) x)
{ return this->base_t::emplace_equal(boost::move(x)); }
//! <b>Effects</b>: Inserts a copy of x in the container.
//! p is a hint pointing to where the insert should start to search.
//!
//! <b>Returns</b>: An iterator pointing to the element with key equivalent
//! to the key of x.
//!
//! <b>Complexity</b>: Logarithmic in general, but amortized constant if t
//! is inserted right before p.
BOOST_CONTAINER_FORCEINLINE iterator insert(const_iterator p, const value_type& x)
{ return this->base_t::insert_equal(p, x); }
//! <b>Effects</b>: Inserts a new value constructed from x in the container.
//! p is a hint pointing to where the insert should start to search.
//!
//! <b>Returns</b>: An iterator pointing to the element with key equivalent
//! to the key of x.
//!
//! <b>Complexity</b>: Logarithmic in general, but amortized constant if t
//! is inserted right before p.
BOOST_CONTAINER_FORCEINLINE iterator insert(const_iterator p, const nonconst_value_type& x)
{ return this->base_t::emplace_hint_equal(p, x); }
//! <b>Effects</b>: Inserts a new value move constructed from x in the container.
//! p is a hint pointing to where the insert should start to search.
//!
//! <b>Returns</b>: An iterator pointing to the element with key equivalent
//! to the key of x.
//!
//! <b>Complexity</b>: Logarithmic in general, but amortized constant if t
//! is inserted right before p.
BOOST_CONTAINER_FORCEINLINE iterator insert(const_iterator p, BOOST_RV_REF(nonconst_value_type) x)
{ return this->base_t::emplace_hint_equal(p, boost::move(x)); }
//! <b>Effects</b>: Inserts a new value move constructed from x in the container.
//! p is a hint pointing to where the insert should start to search.
//!
//! <b>Returns</b>: An iterator pointing to the element with key equivalent
//! to the key of x.
//!
//! <b>Complexity</b>: Logarithmic in general, but amortized constant if t
//! is inserted right before p.
BOOST_CONTAINER_FORCEINLINE iterator insert(const_iterator p, BOOST_RV_REF(movable_value_type) x)
{ return this->base_t::emplace_hint_equal(p, boost::move(x)); }
//! <b>Requires</b>: first, last are not iterators into *this.
//!
//! <b>Effects</b>: inserts each element from the range [first,last) .
//!
//! <b>Complexity</b>: At most N log(size()+N) (N is the distance from first to last)
template <class InputIterator>
BOOST_CONTAINER_FORCEINLINE void insert(InputIterator first, InputIterator last)
{ this->base_t::insert_equal(first, last); }
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
//! <b>Effects</b>: inserts each element from the range [il.begin(), il.end().
//!
//! <b>Complexity</b>: At most N log(size()+N) (N is the distance from il.begin() to il.end())
BOOST_CONTAINER_FORCEINLINE void insert(std::initializer_list<value_type> il)
{ this->base_t::insert_equal(il.begin(), il.end()); }
#endif
//! <b>Requires</b>: nh is empty or this->get_allocator() == nh.get_allocator().
//!
//! <b>Effects/Returns</b>: If nh is empty, has no effect and returns end(). Otherwise, inserts
//! the element owned by nh and returns an iterator pointing to the newly inserted element.
//! If a range containing elements with keys equivalent to nh.key() exists,
//! the element is inserted at the end of that range. nh is always emptied.
//!
//! <b>Complexity</b>: Logarithmic
iterator insert(BOOST_RV_REF_BEG_IF_CXX11 node_type BOOST_RV_REF_END_IF_CXX11 nh)
{
typename base_t::node_type n(boost::move(nh));
return this->base_t::insert_equal_node(boost::move(n));
}
//! <b>Effects</b>: Same as `insert(node_type && nh)` but the element is inserted as close as possible
//! to the position just prior to "hint".
//!
//! <b>Complexity</b>: logarithmic in general, but amortized constant if the element is inserted
//! right before "hint".
iterator insert(const_iterator hint, BOOST_RV_REF_BEG_IF_CXX11 node_type BOOST_RV_REF_END_IF_CXX11 nh)
{
typename base_t::node_type n(boost::move(nh));
return this->base_t::insert_equal_node(hint, boost::move(n));
}
#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
//! @copydoc ::boost::container::set::erase(const_iterator)
iterator erase(const_iterator p);
//! @copydoc ::boost::container::set::erase(const key_type&)
size_type erase(const key_type& x);
//! @copydoc ::boost::container::set::erase(const_iterator,const_iterator)
iterator erase(const_iterator first, const_iterator last);
#endif
//! @copydoc ::boost::container::map::extract(const key_type&)
node_type extract(const key_type& k)
{
typename base_t::node_type base_nh(this->base_t::extract(k));
return node_type(boost::move(base_nh));
}
//! @copydoc ::boost::container::map::extract(const_iterator)
node_type extract(const_iterator position)
{
typename base_t::node_type base_nh(this->base_t::extract(position));
return node_type (boost::move(base_nh));
}
//! <b>Requires</b>: this->get_allocator() == source.get_allocator().
//!
//! <b>Effects</b>: Extracts each element in source and insert it into a using
//! the comparison object of *this.
//!
//! <b>Postcondition</b>: Pointers and references to the transferred elements of source refer
//! to those same elements but as members of *this. Iterators referring to the transferred
//! elements will continue to refer to their elements, but they now behave as iterators into *this,
//! not into source.
//!
//! <b>Throws</b>: Nothing unless the comparison object throws.
//!
//! <b>Complexity</b>: N log(a.size() + N) (N has the value source.size())
template<class C2>
void merge(multimap<Key, T, C2, Allocator, Options>& source)
{
typedef container_detail::tree
<value_type_impl, select_1st_t, C2, Allocator, Options> base2_t;
this->base_t::merge_equal(static_cast<base2_t&>(source));
}
//! @copydoc ::boost::container::multimap::merge(multimap<Key, T, C2, Allocator, Options>&)
template<class C2>
void merge(BOOST_RV_REF_BEG multimap<Key, T, C2, Allocator, Options> BOOST_RV_REF_END source)
{ return this->merge(static_cast<multimap<Key, T, C2, Allocator, Options>&>(source)); }
//! @copydoc ::boost::container::multimap::merge(multimap<Key, T, C2, Allocator, Options>&)
template<class C2>
void merge(map<Key, T, C2, Allocator, Options>& source)
{
typedef container_detail::tree
<value_type_impl, select_1st_t, C2, Allocator, Options> base2_t;
this->base_t::merge_equal(static_cast<base2_t&>(source));
}
//! @copydoc ::boost::container::multimap::merge(multimap<Key, T, C2, Allocator, Options>&)
template<class C2>
void merge(BOOST_RV_REF_BEG map<Key, T, C2, Allocator, Options> BOOST_RV_REF_END source)
{ return this->merge(static_cast<map<Key, T, C2, Allocator, Options>&>(source)); }
#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
//! @copydoc ::boost::container::set::swap
void swap(multiset& x)
BOOST_NOEXCEPT_IF( allocator_traits_type::is_always_equal::value
&& boost::container::container_detail::is_nothrow_swappable<Compare>::value );
//! @copydoc ::boost::container::set::clear
void clear() BOOST_NOEXCEPT_OR_NOTHROW;
//! @copydoc ::boost::container::set::key_comp
key_compare key_comp() const;
//! @copydoc ::boost::container::set::value_comp
value_compare value_comp() const;
//! <b>Returns</b>: An iterator pointing to an element with the key
//! equivalent to x, or end() if such an element is not found.
//!
//! <b>Complexity</b>: Logarithmic.
iterator find(const key_type& x);
//! <b>Returns</b>: A const iterator pointing to an element with the key
//! equivalent to x, or end() if such an element is not found.
//!
//! <b>Complexity</b>: Logarithmic.
const_iterator find(const key_type& x) const;
//! <b>Returns</b>: The number of elements with key equivalent to x.
//!
//! <b>Complexity</b>: log(size())+count(k)
size_type count(const key_type& x) const;
//! <b>Returns</b>: An iterator pointing to the first element with key not less
//! than k, or a.end() if such an element is not found.
//!
//! <b>Complexity</b>: Logarithmic
iterator lower_bound(const key_type& x);
//! <b>Returns</b>: A const iterator pointing to the first element with key not
//! less than k, or a.end() if such an element is not found.
//!
//! <b>Complexity</b>: Logarithmic
const_iterator lower_bound(const key_type& x) const;
//! <b>Returns</b>: An iterator pointing to the first element with key not less
//! than x, or end() if such an element is not found.
//!
//! <b>Complexity</b>: Logarithmic
iterator upper_bound(const key_type& x);
//! <b>Returns</b>: A const iterator pointing to the first element with key not
//! less than x, or end() if such an element is not found.
//!
//! <b>Complexity</b>: Logarithmic
const_iterator upper_bound(const key_type& x) const;
//! <b>Effects</b>: Equivalent to std::make_pair(this->lower_bound(k), this->upper_bound(k)).
//!
//! <b>Complexity</b>: Logarithmic
std::pair<iterator,iterator> equal_range(const key_type& x);
//! <b>Effects</b>: Equivalent to std::make_pair(this->lower_bound(k), this->upper_bound(k)).
//!
//! <b>Complexity</b>: Logarithmic
std::pair<const_iterator,const_iterator> equal_range(const key_type& x) const;
//! <b>Effects</b>: Rebalances the tree. It's a no-op for Red-Black and AVL trees.
//!
//! <b>Complexity</b>: Linear
void rebalance();
//! <b>Effects</b>: Returns true if x and y are equal
//!
//! <b>Complexity</b>: Linear to the number of elements in the container.
friend bool operator==(const multimap& x, const multimap& y);
//! <b>Effects</b>: Returns true if x and y are unequal
//!
//! <b>Complexity</b>: Linear to the number of elements in the container.
friend bool operator!=(const multimap& x, const multimap& y);
//! <b>Effects</b>: Returns true if x is less than y
//!
//! <b>Complexity</b>: Linear to the number of elements in the container.
friend bool operator<(const multimap& x, const multimap& y);
//! <b>Effects</b>: Returns true if x is greater than y
//!
//! <b>Complexity</b>: Linear to the number of elements in the container.
friend bool operator>(const multimap& x, const multimap& y);
//! <b>Effects</b>: Returns true if x is equal or less than y
//!
//! <b>Complexity</b>: Linear to the number of elements in the container.
friend bool operator<=(const multimap& x, const multimap& y);
//! <b>Effects</b>: Returns true if x is equal or greater than y
//!
//! <b>Complexity</b>: Linear to the number of elements in the container.
friend bool operator>=(const multimap& x, const multimap& y);
//! <b>Effects</b>: x.swap(y)
//!
//! <b>Complexity</b>: Constant.
friend void swap(multimap& x, multimap& y);
#endif //#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
};
#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
} //namespace container {
//!has_trivial_destructor_after_move<> == true_type
//!specialization for optimizations
template <class Key, class T, class Compare, class Allocator>
struct has_trivial_destructor_after_move<boost::container::multimap<Key, T, Compare, Allocator> >
{
typedef typename ::boost::container::allocator_traits<Allocator>::pointer pointer;
static const bool value = ::boost::has_trivial_destructor_after_move<Allocator>::value &&
::boost::has_trivial_destructor_after_move<pointer>::value &&
::boost::has_trivial_destructor_after_move<Compare>::value;
};
namespace container {
#endif //#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
}}
#include <boost/container/detail/config_end.hpp>
#endif // BOOST_CONTAINER_MAP_HPP
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