feedc0de/boost_container
1
0
Fork 0
forked from boostorg/container
Code Pull Requests Activity
Files
3bbb0bbe0e2f5ad3ba41e88d7c5312e74743c503
boost_container/include/boost/container/set.hpp

1127 lines
44 KiB
C++
Raw Blame History

//////////////////////////////////////////////////////////////////////////////
//
// (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_SET_HPP
#define BOOST_CONTAINER_SET_HPP
#if defined(_MSC_VER)
# pragma once
#endif
#include <boost/container/detail/config_begin.hpp>
#include <boost/container/detail/workaround.hpp>
#include <boost/container/container_fwd.hpp>
#include <utility>
#include <functional>
#include <memory>
#include <boost/move/utility_core.hpp>
#include <boost/move/detail/move_helpers.hpp>
#include <boost/move/traits.hpp>
#include <boost/container/detail/mpl.hpp>
#include <boost/container/detail/tree.hpp>
#include <boost/move/utility_core.hpp>
#ifndef BOOST_CONTAINER_PERFECT_FORWARDING
#include <boost/container/detail/preprocessor.hpp>
#endif
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
#include <initializer_list>
#endif
namespace boost {
namespace container {
#ifdef BOOST_CONTAINER_DOXYGEN_INVOKED
//! A set is a kind of associative container that supports unique keys (contains at
//! most one of each key value) and provides for fast retrieval of the keys themselves.
//! Class set supports bidirectional iterators.
//!
//! A set satisfies all of the requirements of a container and of a reversible container
//! , and of an associative container. A set also provides most operations described in
//! for unique keys.
//!
//! \tparam Key is the type to be inserted in the set, which is also the key_type
//! \tparam Compare is the comparison functor used to order keys
//! \tparam Allocator is the allocator to be used to allocate memory for this container
//! \tparam SetOptions is an packed option type generated using using boost::container::tree_assoc_options.
template <class Key, class Compare = std::less<Key>, class Allocator = std::allocator<Key>, class SetOptions = tree_assoc_defaults >
#else
template <class Key, class Compare, class Allocator, class SetOptions>
#endif
class set
///@cond
: public container_detail::tree
< Key, Key, container_detail::identity<Key>, Compare, Allocator, SetOptions>
///@endcond
{
#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
private:
BOOST_COPYABLE_AND_MOVABLE(set)
typedef container_detail::tree
< Key, Key, container_detail::identity<Key>, Compare, Allocator, SetOptions> base_t;
#endif //#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
public:
//////////////////////////////////////////////
//
// types
//
//////////////////////////////////////////////
typedef Key key_type;
typedef Key value_type;
typedef Compare key_compare;
typedef Compare value_compare;
typedef ::boost::container::allocator_traits<Allocator> allocator_traits_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 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;
//////////////////////////////////////////////
//
// construct/copy/destroy
//
//////////////////////////////////////////////
//! <b>Effects</b>: Default constructs an empty set.
//!
//! <b>Complexity</b>: Constant.
set()
: base_t()
{}
//! <b>Effects</b>: Constructs an empty set using the specified comparison object
//! and allocator.
//!
//! <b>Complexity</b>: Constant.
explicit set(const Compare& comp,
const allocator_type& a = allocator_type())
: base_t(comp, a)
{}
//! <b>Effects</b>: Constructs an empty set using the specified allocator object.
//!
//! <b>Complexity</b>: Constant.
explicit set(const allocator_type& a)
: base_t(a)
{}
//! <b>Effects</b>: Constructs an empty set 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>
set(InputIterator first, InputIterator last, const Compare& comp = Compare(),
const allocator_type& a = allocator_type())
: base_t(true, first, last, comp, a)
{}
//! <b>Effects</b>: Constructs an empty set 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>
set( 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)
{}
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
//! <b>Effects</b>: Constructs an empty set 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 [il.begin(), il.end()) is already sorted using
//! comp and otherwise N logN, where N is il.begin() - il.end().
set(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)
{}
//! <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.
set(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)
{}
#endif
//! <b>Effects</b>: Copy constructs a set.
//!
//! <b>Complexity</b>: Linear in x.size().
set(const set& x)
: base_t(static_cast<const base_t&>(x))
{}
//! <b>Effects</b>: Move constructs a set. Constructs *this using x's resources.
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Postcondition</b>: x is emptied.
set(BOOST_RV_REF(set) x)
: base_t(boost::move(static_cast<base_t&>(x)))
{}
//! <b>Effects</b>: Copy constructs a set using the specified allocator.
//!
//! <b>Complexity</b>: Linear in x.size().
set(const set& x, const allocator_type &a)
: base_t(static_cast<const base_t&>(x), a)
{}
//! <b>Effects</b>: Move constructs a set using the specified allocator.
//! Constructs *this using x's resources.
//!
//! <b>Complexity</b>: Constant if a == x.get_allocator(), linear otherwise.
set(BOOST_RV_REF(set) x, const allocator_type &a)
: base_t(boost::move(static_cast<base_t&>(x)), a)
{}
//! <b>Effects</b>: Makes *this a copy of x.
//!
//! <b>Complexity</b>: Linear in x.size().
set& operator=(BOOST_COPY_ASSIGN_REF(set) x)
{ return static_cast<set&>(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.
set& operator=(BOOST_RV_REF(set) x)
BOOST_CONTAINER_NOEXCEPT_IF(allocator_traits_type::propagate_on_container_move_assignment::value)
{ return static_cast<set&>(this->base_t::operator=(boost::move(static_cast<base_t&>(x)))); }
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
set& 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();
//! <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;
//! <b>Effects</b>: Returns an iterator to the first element contained in the container.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Constant
iterator begin();
//! <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;
//! <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;
//! <b>Effects</b>: Returns an iterator to the end of the container.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Constant.
iterator end();
//! <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;
//! <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;
//! <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();
//! <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;
//! <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;
//! <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();
//! <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;
//! <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;
//! <b>Effects</b>: Returns true if the container contains no elements.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Constant.
bool empty() const;
//! <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;
//! <b>Effects</b>: Returns the largest possible size of the container.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Constant.
size_type max_size() const;
#endif // #if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
#if defined(BOOST_CONTAINER_PERFECT_FORWARDING) || defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
//! <b>Effects</b>: Inserts an object x of type Key constructed with
//! std::forward<Args>(args)... if and only if there is
//! no element in the container with equivalent value.
//! and returns the iterator pointing to the
//! newly inserted element.
//!
//! <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>Throws</b>: If memory allocation throws or
//! Key's in-place constructor throws.
//!
//! <b>Complexity</b>: Logarithmic.
template <class... Args>
std::pair<iterator,bool> emplace(Args&&... args)
{ return this->base_t::emplace_unique(boost::forward<Args>(args)...); }
//! <b>Effects</b>: Inserts an object of type Key constructed with
//! std::forward<Args>(args)... if and only if there is
//! no element in the container with equivalent value.
//! 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.
template <class... Args>
iterator emplace_hint(const_iterator p, Args&&... args)
{ return this->base_t::emplace_hint_unique(p, boost::forward<Args>(args)...); }
#else //#ifdef BOOST_CONTAINER_PERFECT_FORWARDING
#define BOOST_PP_LOCAL_MACRO(n) \
BOOST_PP_EXPR_IF(n, template<) BOOST_PP_ENUM_PARAMS(n, class P) BOOST_PP_EXPR_IF(n, >) \
std::pair<iterator,bool> emplace(BOOST_PP_ENUM(n, BOOST_CONTAINER_PP_PARAM_LIST, _)) \
{ return this->base_t::emplace_unique(BOOST_PP_ENUM(n, BOOST_CONTAINER_PP_PARAM_FORWARD, _)); }\
\
BOOST_PP_EXPR_IF(n, template<) BOOST_PP_ENUM_PARAMS(n, class P) BOOST_PP_EXPR_IF(n, >) \
iterator emplace_hint(const_iterator p \
BOOST_PP_ENUM_TRAILING(n, BOOST_CONTAINER_PP_PARAM_LIST, _)) \
{ return this->base_t::emplace_hint_unique(p \
BOOST_PP_ENUM_TRAILING(n, BOOST_CONTAINER_PP_PARAM_FORWARD, _));} \
//!
#define BOOST_PP_LOCAL_LIMITS (0, BOOST_CONTAINER_MAX_CONSTRUCTOR_PARAMETERS)
#include BOOST_PP_LOCAL_ITERATE()
#endif //#ifdef BOOST_CONTAINER_PERFECT_FORWARDING
#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
//! <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.
std::pair<iterator, bool> insert(const value_type &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.
//!
//! <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.
std::pair<iterator, bool> insert(value_type &&x);
#else
private:
typedef std::pair<iterator, bool> insert_return_pair;
public:
BOOST_MOVE_CONVERSION_AWARE_CATCH(insert, value_type, insert_return_pair, this->priv_insert)
#endif
#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
//! <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.
iterator insert(const_iterator p, const value_type &x);
//! <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, value_type &&x);
#else
BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG(insert, value_type, iterator, this->priv_insert, const_iterator, const_iterator)
#endif
//! <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>
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())
void insert(std::initializer_list<value_type> il)
{ this->base_t::insert_unique(il.begin(), il.end()); }
#endif
#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);
//! <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);
//! <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);
//! <b>Effects</b>: Swaps the contents of *this and x.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Constant.
void swap(set& x);
//! <b>Effects</b>: erase(a.begin(),a.end()).
//!
//! <b>Postcondition</b>: size() == 0.
//!
//! <b>Complexity</b>: linear in size().
void clear();
//! <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>: Allocator 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)
size_type count(const key_type& x) const
{ return static_cast<size_type>(this->base_t::find(x) != this->base_t::cend()); }
//! <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)
{ return static_cast<size_type>(this->base_t::find(x) != this->base_t::end()); }
#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>: Allocator 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>: Allocator 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;
#endif //#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
//! <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)
{ return this->base_t::lower_bound_range(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
{ return this->base_t::lower_bound_range(x); }
#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
//! <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 set& x, const set& 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 set& x, const set& 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 set& x, const set& 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 set& x, const set& 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 set& x, const set& 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 set& x, const set& y);
//! <b>Effects</b>: x.swap(y)
//!
//! <b>Complexity</b>: Constant.
friend void swap(set& x, set& y);
#endif //#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
private:
template <class KeyType>
std::pair<iterator, bool> priv_insert(BOOST_FWD_REF(KeyType) x)
{ return this->base_t::insert_unique(::boost::forward<KeyType>(x)); }
template <class KeyType>
iterator priv_insert(const_iterator p, BOOST_FWD_REF(KeyType) x)
{ return this->base_t::insert_unique(p, ::boost::forward<KeyType>(x)); }
#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 C, class SetOptions, class Allocator>
struct has_trivial_destructor_after_move<boost::container::set<Key, C, Allocator, SetOptions> >
{
static const bool value = has_trivial_destructor_after_move<Allocator>::value && has_trivial_destructor_after_move<C>::value;
};
namespace container {
#endif //#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
#ifdef BOOST_CONTAINER_DOXYGEN_INVOKED
//! A multiset is a kind of associative container that supports equivalent keys
//! (possibly contains multiple copies of the same key value) and provides for
//! fast retrieval of the keys themselves. Class multiset supports bidirectional iterators.
//!
//! A multiset satisfies all of the requirements of a container and of a reversible
//! container, and of an associative container). multiset also provides most operations
//! described for duplicate keys.
//!
//! \tparam Key is the type to be inserted in the set, which is also the key_type
//! \tparam Compare is the comparison functor used to order keys
//! \tparam Allocator is the allocator to be used to allocate memory for this container
//! \tparam MultiSetOptions is an packed option type generated using using boost::container::tree_assoc_options.
template <class Key, class Compare = std::less<Key>, class Allocator = std::allocator<Key>, class MultiSetOptions = tree_assoc_defaults >
#else
template <class Key, class Compare, class Allocator, class MultiSetOptions>
#endif
class multiset
/// @cond
: public container_detail::tree
<Key, Key,container_detail::identity<Key>, Compare, Allocator, MultiSetOptions>
/// @endcond
{
#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
private:
BOOST_COPYABLE_AND_MOVABLE(multiset)
typedef container_detail::tree
<Key, Key,container_detail::identity<Key>, Compare, Allocator, MultiSetOptions> base_t;
#endif //#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
public:
//////////////////////////////////////////////
//
// types
//
//////////////////////////////////////////////
typedef Key key_type;
typedef Key value_type;
typedef Compare key_compare;
typedef Compare value_compare;
typedef ::boost::container::allocator_traits<Allocator> allocator_traits_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 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;
//////////////////////////////////////////////
//
// construct/copy/destroy
//
//////////////////////////////////////////////
//! @copydoc ::boost::container::set::set()
multiset()
: base_t()
{}
//! @copydoc ::boost::container::set::set(const Compare&, const allocator_type&)
explicit multiset(const Compare& comp,
const allocator_type& a = allocator_type())
: base_t(comp, a)
{}
//! @copydoc ::boost::container::set::set(const allocator_type&)
explicit multiset(const allocator_type& a)
: base_t(a)
{}
//! @copydoc ::boost::container::set::set(InputIterator, InputIterator, const Compare& comp, const allocator_type&)
template <class InputIterator>
multiset(InputIterator first, InputIterator last,
const Compare& comp = Compare(),
const allocator_type& a = allocator_type())
: base_t(false, first, last, comp, a)
{}
//! <b>Effects</b>: Constructs an empty multiset 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>
multiset( 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)
//! @copydoc ::boost::container::set::set(std::initializer_list<value_type>, const Compare& comp, const allocator_type&)
multiset(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)
{}
//! @copydoc ::boost::container::set::set(ordered_unique_range_t, std::initializer_list<value_type>, const Compare& comp, const allocator_type&)
multiset(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)
{}
#endif
//! @copydoc ::boost::container::set::set(const set &)
multiset(const multiset& x)
: base_t(static_cast<const base_t&>(x))
{}
//! @copydoc ::boost::container::set(set &&)
multiset(BOOST_RV_REF(multiset) x)
: base_t(boost::move(static_cast<base_t&>(x)))
{}
//! @copydoc ::boost::container::set(const set &, const allocator_type &)
multiset(const multiset& x, const allocator_type &a)
: base_t(static_cast<const base_t&>(x), a)
{}
//! @copydoc ::boost::container::set(set &&, const allocator_type &)
multiset(BOOST_RV_REF(multiset) x, const allocator_type &a)
: base_t(boost::move(static_cast<base_t&>(x)), a)
{}
//! @copydoc ::boost::container::set::operator=(const set &)
multiset& operator=(BOOST_COPY_ASSIGN_REF(multiset) x)
{ return static_cast<multiset&>(this->base_t::operator=(static_cast<const base_t&>(x))); }
//! @copydoc ::boost::container::set::operator=(set &&)
multiset& operator=(BOOST_RV_REF(multiset) x)
{ return static_cast<multiset&>(this->base_t::operator=(boost::move(static_cast<base_t&>(x)))); }
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
//! @copydoc ::boost::container::set::operator=(std::initializer_list<value_type>)
multiset& 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_CONTAINER_NOEXCEPT;
//! @copydoc ::boost::container::set::end() const
const_iterator end() const BOOST_CONTAINER_NOEXCEPT;
//! @copydoc ::boost::container::set::cend() const
const_iterator cend() const BOOST_CONTAINER_NOEXCEPT;
//! @copydoc ::boost::container::set::rbegin()
reverse_iterator rbegin() BOOST_CONTAINER_NOEXCEPT;
//! @copydoc ::boost::container::set::rbegin() const
const_reverse_iterator rbegin() const BOOST_CONTAINER_NOEXCEPT;
//! @copydoc ::boost::container::set::crbegin() const
const_reverse_iterator crbegin() const BOOST_CONTAINER_NOEXCEPT;
//! @copydoc ::boost::container::set::rend()
reverse_iterator rend() BOOST_CONTAINER_NOEXCEPT;
//! @copydoc ::boost::container::set::rend() const
const_reverse_iterator rend() const BOOST_CONTAINER_NOEXCEPT;
//! @copydoc ::boost::container::set::crend() const
const_reverse_iterator crend() const BOOST_CONTAINER_NOEXCEPT;
//! @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_CONTAINER_PERFECT_FORWARDING) || defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
//! <b>Effects</b>: Inserts an object of type Key constructed with
//! std::forward<Args>(args)... and returns the iterator pointing to the
//! newly inserted element.
//!
//! <b>Complexity</b>: Logarithmic.
template <class... Args>
iterator emplace(Args&&... args)
{ return this->base_t::emplace_equal(boost::forward<Args>(args)...); }
//! <b>Effects</b>: Inserts an object of type Key constructed with
//! std::forward<Args>(args)...
//!
//! <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>
iterator emplace_hint(const_iterator p, Args&&... args)
{ return this->base_t::emplace_hint_equal(p, boost::forward<Args>(args)...); }
#else //#ifdef BOOST_CONTAINER_PERFECT_FORWARDING
#define BOOST_PP_LOCAL_MACRO(n) \
BOOST_PP_EXPR_IF(n, template<) BOOST_PP_ENUM_PARAMS(n, class P) BOOST_PP_EXPR_IF(n, >) \
iterator emplace(BOOST_PP_ENUM(n, BOOST_CONTAINER_PP_PARAM_LIST, _)) \
{ return this->base_t::emplace_equal(BOOST_PP_ENUM(n, BOOST_CONTAINER_PP_PARAM_FORWARD, _)); } \
\
BOOST_PP_EXPR_IF(n, template<) BOOST_PP_ENUM_PARAMS(n, class P) BOOST_PP_EXPR_IF(n, >) \
iterator emplace_hint(const_iterator p \
BOOST_PP_ENUM_TRAILING(n, BOOST_CONTAINER_PP_PARAM_LIST, _)) \
{ return this->base_t::emplace_hint_equal(p \
BOOST_PP_ENUM_TRAILING(n, BOOST_CONTAINER_PP_PARAM_FORWARD, _));} \
//!
#define BOOST_PP_LOCAL_LIMITS (0, BOOST_CONTAINER_MAX_CONSTRUCTOR_PARAMETERS)
#include BOOST_PP_LOCAL_ITERATE()
#endif //#ifdef BOOST_CONTAINER_PERFECT_FORWARDING
#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
//! <b>Effects</b>: Inserts x and returns the iterator pointing to the
//! newly inserted element.
//!
//! <b>Complexity</b>: Logarithmic.
iterator insert(const value_type &x);
//! <b>Effects</b>: Inserts a copy of x in the container.
//!
//! <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(value_type &&x);
#else
BOOST_MOVE_CONVERSION_AWARE_CATCH(insert, value_type, iterator, this->priv_insert)
#endif
#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
//! <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.
iterator insert(const_iterator p, const value_type &x);
//! <b>Effects</b>: Inserts a 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.
iterator insert(const_iterator p, value_type &&x);
#else
BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG(insert, value_type, iterator, this->priv_insert, const_iterator, const_iterator)
#endif
//! <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>
void insert(InputIterator first, InputIterator last)
{ this->base_t::insert_equal(first, last); }
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
//! @copydoc ::boost::container::set::insert(std::initializer_list<value_type>)
void insert(std::initializer_list<value_type> il)
{ this->base_t::insert_unique(il.begin(), il.end()); }
#endif
#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);
//! @copydoc ::boost::container::set::swap
void swap(flat_multiset& x);
//! @copydoc ::boost::container::set::clear
void clear() BOOST_CONTAINER_NOEXCEPT;
//! @copydoc ::boost::container::set::key_comp
key_compare key_comp() const;
//! @copydoc ::boost::container::set::value_comp
value_compare value_comp() const;
//! @copydoc ::boost::container::set::find(const key_type& )
iterator find(const key_type& x);
//! @copydoc ::boost::container::set::find(const key_type& ) const
const_iterator find(const key_type& x) const;
//! @copydoc ::boost::container::set::count(const key_type& ) const
size_type count(const key_type& x) const;
//! @copydoc ::boost::container::set::lower_bound(const key_type& )
iterator lower_bound(const key_type& x);
//! @copydoc ::boost::container::set::lower_bound(const key_type& ) const
const_iterator lower_bound(const key_type& x) const;
//! @copydoc ::boost::container::set::upper_bound(const key_type& )
iterator upper_bound(const key_type& x);
//! @copydoc ::boost::container::set::upper_bound(const key_type& ) const
const_iterator upper_bound(const key_type& x) const;
//! @copydoc ::boost::container::set::equal_range(const key_type& ) const
std::pair<const_iterator, const_iterator> equal_range(const key_type& x) const;
//! @copydoc ::boost::container::set::equal_range(const key_type& )
std::pair<iterator,iterator> equal_range(const key_type& x);
//! @copydoc ::boost::container::set::rebalance()
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 multiset& x, const multiset& 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 multiset& x, const multiset& 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 multiset& x, const multiset& 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 multiset& x, const multiset& 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 multiset& x, const multiset& 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 multiset& x, const multiset& y);
//! <b>Effects</b>: x.swap(y)
//!
//! <b>Complexity</b>: Constant.
friend void swap(multiset& x, multiset& y);
#endif //#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
private:
template <class KeyType>
iterator priv_insert(BOOST_FWD_REF(KeyType) x)
{ return this->base_t::insert_equal(::boost::forward<KeyType>(x)); }
template <class KeyType>
iterator priv_insert(const_iterator p, BOOST_FWD_REF(KeyType) x)
{ return this->base_t::insert_equal(p, ::boost::forward<KeyType>(x)); }
#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 C, class Allocator, class MultiSetOptions>
struct has_trivial_destructor_after_move<boost::container::multiset<Key, C, Allocator, MultiSetOptions> >
{
static const bool value = has_trivial_destructor_after_move<Allocator>::value && has_trivial_destructor_after_move<C>::value;
};
namespace container {
#endif //#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
}}
#include <boost/container/detail/config_end.hpp>
#endif /* BOOST_CONTAINER_SET_HPP */
View Git Blame Copy Permalink