////////////////////////////////////////////////////////////////////////////// | |
// | |
// (C) Copyright Ion Gaztanaga 2005-2009. 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_CONTAINERS_SET_HPP | |
#define BOOST_CONTAINERS_SET_HPP | |
#if (defined _MSC_VER) && (_MSC_VER >= 1200) | |
# pragma once | |
#endif | |
#include "detail/config_begin.hpp" | |
#include INCLUDE_BOOST_CONTAINER_DETAIL_WORKAROUND_HPP | |
#include INCLUDE_BOOST_CONTAINER_CONTAINER_FWD_HPP | |
#include <utility> | |
#include <functional> | |
#include <memory> | |
#include INCLUDE_BOOST_CONTAINER_MOVE_HPP | |
#include INCLUDE_BOOST_CONTAINER_DETAIL_MPL_HPP | |
#include INCLUDE_BOOST_CONTAINER_DETAIL_TREE_HPP | |
#include INCLUDE_BOOST_CONTAINER_MOVE_HPP | |
#ifndef BOOST_CONTAINERS_PERFECT_FORWARDING | |
#include INCLUDE_BOOST_CONTAINER_DETAIL_PREPROCESSOR_HPP | |
#endif | |
#ifdef BOOST_CONTAINER_DOXYGEN_INVOKED | |
namespace boost { | |
namespace container { | |
#else | |
namespace boost { | |
namespace container { | |
#endif | |
/// @cond | |
// Forward declarations of operators < and ==, needed for friend declaration. | |
template <class T, class Pred, class Alloc> | |
inline bool operator==(const set<T,Pred,Alloc>& x, | |
const set<T,Pred,Alloc>& y); | |
template <class T, class Pred, class Alloc> | |
inline bool operator<(const set<T,Pred,Alloc>& x, | |
const set<T,Pred,Alloc>& y); | |
/// @endcond | |
//! 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. | |
template <class T, class Pred, class Alloc> | |
class set | |
{ | |
/// @cond | |
private: | |
BOOST_MOVE_MACRO_COPYABLE_AND_MOVABLE(set) | |
typedef containers_detail::rbtree<T, T, | |
containers_detail::identity<T>, Pred, Alloc> tree_t; | |
tree_t m_tree; // red-black tree representing set | |
typedef typename containers_detail:: | |
move_const_ref_type<T>::type insert_const_ref_type; | |
/// @endcond | |
public: | |
// typedefs: | |
typedef typename tree_t::key_type key_type; | |
typedef typename tree_t::value_type value_type; | |
typedef typename tree_t::pointer pointer; | |
typedef typename tree_t::const_pointer const_pointer; | |
typedef typename tree_t::reference reference; | |
typedef typename tree_t::const_reference const_reference; | |
typedef Pred key_compare; | |
typedef Pred value_compare; | |
typedef typename tree_t::iterator iterator; | |
typedef typename tree_t::const_iterator const_iterator; | |
typedef typename tree_t::reverse_iterator reverse_iterator; | |
typedef typename tree_t::const_reverse_iterator const_reverse_iterator; | |
typedef typename tree_t::size_type size_type; | |
typedef typename tree_t::difference_type difference_type; | |
typedef typename tree_t::allocator_type allocator_type; | |
typedef typename tree_t::stored_allocator_type stored_allocator_type; | |
//! <b>Effects</b>: Constructs an empty set using the specified comparison object | |
//! and allocator. | |
//! | |
//! <b>Complexity</b>: Constant. | |
explicit set(const Pred& comp = Pred(), | |
const allocator_type& a = allocator_type()) | |
: m_tree(comp, 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 Pred& comp = Pred(), | |
const allocator_type& a = allocator_type()) | |
: m_tree(first, last, comp, a, true) | |
{} | |
//! <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. | |
template <class InputIterator> | |
set( ordered_unique_range_t, InputIterator first, InputIterator last | |
, const Pred& comp = Pred(), const allocator_type& a = allocator_type()) | |
: m_tree(ordered_range, first, last, comp, a) | |
{} | |
//! <b>Effects</b>: Copy constructs a set. | |
//! | |
//! <b>Complexity</b>: Linear in x.size(). | |
set(const set& x) | |
: m_tree(x.m_tree) | |
{} | |
//! <b>Effects</b>: Move constructs a set. Constructs *this using x's resources. | |
//! | |
//! <b>Complexity</b>: Construct. | |
//! | |
//! <b>Postcondition</b>: x is emptied. | |
set(BOOST_MOVE_MACRO_RV_REF(set) x) | |
: m_tree(BOOST_CONTAINER_MOVE_NAMESPACE::move(x.m_tree)) | |
{} | |
//! <b>Effects</b>: Makes *this a copy of x. | |
//! | |
//! <b>Complexity</b>: Linear in x.size(). | |
set& operator=(BOOST_MOVE_MACRO_COPY_ASSIGN_REF(set) x) | |
{ m_tree = x.m_tree; return *this; } | |
//! <b>Effects</b>: this->swap(x.get()). | |
//! | |
//! <b>Complexity</b>: Constant. | |
set& operator=(BOOST_MOVE_MACRO_RV_REF(set) x) | |
{ m_tree = BOOST_CONTAINER_MOVE_NAMESPACE::move(x.m_tree); return *this; } | |
//! <b>Effects</b>: Returns the comparison object out | |
//! of which a was constructed. | |
//! | |
//! <b>Complexity</b>: Constant. | |
key_compare key_comp() const | |
{ return m_tree.key_comp(); } | |
//! <b>Effects</b>: Returns an object of value_compare constructed out | |
//! of the comparison object. | |
//! | |
//! <b>Complexity</b>: Constant. | |
value_compare value_comp() const | |
{ return m_tree.key_comp(); } | |
//! <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 | |
{ return m_tree.get_allocator(); } | |
const stored_allocator_type &get_stored_allocator() const | |
{ return m_tree.get_stored_allocator(); } | |
stored_allocator_type &get_stored_allocator() | |
{ return m_tree.get_stored_allocator(); } | |
//! <b>Effects</b>: Returns an iterator to the first element contained in the container. | |
//! | |
//! <b>Throws</b>: Nothing. | |
//! | |
//! <b>Complexity</b>: Constant | |
iterator begin() | |
{ return m_tree.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 | |
{ return m_tree.begin(); } | |
//! <b>Effects</b>: Returns an iterator to the end of the container. | |
//! | |
//! <b>Throws</b>: Nothing. | |
//! | |
//! <b>Complexity</b>: Constant. | |
iterator end() | |
{ return m_tree.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 | |
{ return m_tree.end(); } | |
//! <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() | |
{ return m_tree.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 | |
{ return m_tree.rbegin(); } | |
//! <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() | |
{ return m_tree.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 | |
{ return m_tree.rend(); } | |
//! <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 | |
{ return m_tree.cbegin(); } | |
//! <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 | |
{ return m_tree.cend(); } | |
//! <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 | |
{ return m_tree.crbegin(); } | |
//! <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 | |
{ return m_tree.crend(); } | |
//! <b>Effects</b>: Returns true if the container contains no elements. | |
//! | |
//! <b>Throws</b>: Nothing. | |
//! | |
//! <b>Complexity</b>: Constant. | |
bool empty() const | |
{ return m_tree.empty(); } | |
//! <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 | |
{ return m_tree.size(); } | |
//! <b>Effects</b>: Returns the largest possible size of the container. | |
//! | |
//! <b>Throws</b>: Nothing. | |
//! | |
//! <b>Complexity</b>: Constant. | |
size_type max_size() const | |
{ return m_tree.max_size(); } | |
//! <b>Effects</b>: Swaps the contents of *this and x. | |
//! If this->allocator_type() != x.allocator_type() allocators are also swapped. | |
//! | |
//! <b>Throws</b>: Nothing. | |
//! | |
//! <b>Complexity</b>: Constant. | |
void swap(set& x) | |
{ m_tree.swap(x.m_tree); } | |
//! <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(insert_const_ref_type x) | |
{ return priv_insert(x); } | |
#if defined(BOOST_NO_RVALUE_REFERENCES) && !defined(BOOST_MOVE_DOXYGEN_INVOKED) | |
std::pair<iterator,bool> insert(T &x) | |
{ return this->insert(const_cast<const T &>(x)); } | |
template<class U> | |
std::pair<iterator,bool> insert(const U &u, typename containers_detail::enable_if_c<containers_detail::is_same<T, U>::value && !::BOOST_CONTAINER_MOVE_NAMESPACE::is_movable<U>::value >::type* =0) | |
{ return priv_insert(u); } | |
#endif | |
//! <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(BOOST_MOVE_MACRO_RV_REF(value_type) x) | |
{ return m_tree.insert_unique(BOOST_CONTAINER_MOVE_NAMESPACE::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. | |
iterator insert(const_iterator p, insert_const_ref_type x) | |
{ return priv_insert(p, x); } | |
#if defined(BOOST_NO_RVALUE_REFERENCES) && !defined(BOOST_MOVE_DOXYGEN_INVOKED) | |
iterator insert(const_iterator position, T &x) | |
{ return this->insert(position, const_cast<const T &>(x)); } | |
template<class U> | |
iterator insert(const_iterator position, const U &u, typename containers_detail::enable_if_c<containers_detail::is_same<T, U>::value && !::BOOST_CONTAINER_MOVE_NAMESPACE::is_movable<U>::value >::type* =0) | |
{ return priv_insert(position, u); } | |
#endif | |
//! <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_MOVE_MACRO_RV_REF(value_type) x) | |
{ return m_tree.insert_unique(p, BOOST_CONTAINER_MOVE_NAMESPACE::move(x)); } | |
//! <b>Requires</b>: i, j are not iterators into *this. | |
//! | |
//! <b>Effects</b>: inserts each element from the range [i,j) if and only | |
//! if there is no element with key equivalent to the key of that element. | |
//! | |
//! <b>Complexity</b>: N log(size()+N) (N is the distance from i to j) | |
template <class InputIterator> | |
void insert(InputIterator first, InputIterator last) | |
{ m_tree.insert_unique(first, last); } | |
#if defined(BOOST_CONTAINERS_PERFECT_FORWARDING) || defined(BOOST_CONTAINER_DOXYGEN_INVOKED) | |
//! <b>Effects</b>: Inserts an object of type T 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>Throws</b>: If memory allocation throws or | |
//! T's in-place constructor throws. | |
//! | |
//! <b>Complexity</b>: Logarithmic. | |
template <class... Args> | |
iterator emplace(Args&&... args) | |
{ return m_tree.emplace_unique(BOOST_CONTAINER_MOVE_NAMESPACE::forward<Args>(args)...); } | |
//! <b>Effects</b>: Inserts an object of type T 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 hint, Args&&... args) | |
{ return m_tree.emplace_hint_unique(hint, BOOST_CONTAINER_MOVE_NAMESPACE::forward<Args>(args)...); } | |
#else //#ifdef BOOST_CONTAINERS_PERFECT_FORWARDING | |
iterator emplace() | |
{ return m_tree.emplace_unique(); } | |
iterator emplace_hint(const_iterator hint) | |
{ return m_tree.emplace_hint_unique(hint); } | |
#define BOOST_PP_LOCAL_MACRO(n) \ | |
template<BOOST_PP_ENUM_PARAMS(n, class P)> \ | |
iterator emplace(BOOST_PP_ENUM(n, BOOST_CONTAINERS_PP_PARAM_LIST, _)) \ | |
{ return m_tree.emplace_unique(BOOST_PP_ENUM(n, BOOST_CONTAINERS_PP_PARAM_FORWARD, _)); } \ | |
\ | |
template<BOOST_PP_ENUM_PARAMS(n, class P)> \ | |
iterator emplace_hint(const_iterator hint, BOOST_PP_ENUM(n, BOOST_CONTAINERS_PP_PARAM_LIST, _)) \ | |
{ return m_tree.emplace_hint_unique(hint, BOOST_PP_ENUM(n, BOOST_CONTAINERS_PP_PARAM_FORWARD, _));}\ | |
//! | |
#define BOOST_PP_LOCAL_LIMITS (1, BOOST_CONTAINERS_MAX_CONSTRUCTOR_PARAMETERS) | |
#include BOOST_PP_LOCAL_ITERATE() | |
#endif //#ifdef BOOST_CONTAINERS_PERFECT_FORWARDING | |
//! <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) | |
{ return m_tree.erase(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) | |
{ return m_tree.erase(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) | |
{ return m_tree.erase(first, last); } | |
//! <b>Effects</b>: erase(a.begin(),a.end()). | |
//! | |
//! <b>Postcondition</b>: size() == 0. | |
//! | |
//! <b>Complexity</b>: linear in size(). | |
void clear() | |
{ m_tree.clear(); } | |
//! <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) | |
{ return m_tree.find(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 | |
{ return m_tree.find(x); } | |
//! <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 m_tree.find(x) == m_tree.end() ? 0 : 1; } | |
//! <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) | |
{ return m_tree.lower_bound(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 | |
{ return m_tree.lower_bound(x); } | |
//! <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) | |
{ return m_tree.upper_bound(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 | |
{ return m_tree.upper_bound(x); } | |
//! <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 m_tree.equal_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 m_tree.equal_range(x); } | |
/// @cond | |
template <class K1, class C1, class A1> | |
friend bool operator== (const set<K1,C1,A1>&, const set<K1,C1,A1>&); | |
template <class K1, class C1, class A1> | |
friend bool operator< (const set<K1,C1,A1>&, const set<K1,C1,A1>&); | |
private: | |
std::pair<iterator, bool> priv_insert(const T &x) | |
{ return m_tree.insert_unique(x); } | |
iterator priv_insert(const_iterator p, const T &x) | |
{ return m_tree.insert_unique(p, x); } | |
/// @endcond | |
}; | |
template <class T, class Pred, class Alloc> | |
inline bool operator==(const set<T,Pred,Alloc>& x, | |
const set<T,Pred,Alloc>& y) | |
{ return x.m_tree == y.m_tree; } | |
template <class T, class Pred, class Alloc> | |
inline bool operator<(const set<T,Pred,Alloc>& x, | |
const set<T,Pred,Alloc>& y) | |
{ return x.m_tree < y.m_tree; } | |
template <class T, class Pred, class Alloc> | |
inline bool operator!=(const set<T,Pred,Alloc>& x, | |
const set<T,Pred,Alloc>& y) | |
{ return !(x == y); } | |
template <class T, class Pred, class Alloc> | |
inline bool operator>(const set<T,Pred,Alloc>& x, | |
const set<T,Pred,Alloc>& y) | |
{ return y < x; } | |
template <class T, class Pred, class Alloc> | |
inline bool operator<=(const set<T,Pred,Alloc>& x, | |
const set<T,Pred,Alloc>& y) | |
{ return !(y < x); } | |
template <class T, class Pred, class Alloc> | |
inline bool operator>=(const set<T,Pred,Alloc>& x, | |
const set<T,Pred,Alloc>& y) | |
{ return !(x < y); } | |
template <class T, class Pred, class Alloc> | |
inline void swap(set<T,Pred,Alloc>& x, set<T,Pred,Alloc>& y) | |
{ x.swap(y); } | |
/// @cond | |
} //namespace container { | |
/* | |
//!has_trivial_destructor_after_move<> == true_type | |
//!specialization for optimizations | |
template <class T, class C, class A> | |
struct has_trivial_destructor_after_move<boost::container::set<T, C, A> > | |
{ | |
static const bool value = has_trivial_destructor<A>::value && has_trivial_destructor<C>::value; | |
}; | |
*/ | |
namespace container { | |
// Forward declaration of operators < and ==, needed for friend declaration. | |
template <class T, class Pred, class Alloc> | |
inline bool operator==(const multiset<T,Pred,Alloc>& x, | |
const multiset<T,Pred,Alloc>& y); | |
template <class T, class Pred, class Alloc> | |
inline bool operator<(const multiset<T,Pred,Alloc>& x, | |
const multiset<T,Pred,Alloc>& y); | |
/// @endcond | |
//! 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. | |
template <class T, class Pred, class Alloc> | |
class multiset | |
{ | |
/// @cond | |
private: | |
BOOST_MOVE_MACRO_COPYABLE_AND_MOVABLE(multiset) | |
typedef containers_detail::rbtree<T, T, | |
containers_detail::identity<T>, Pred, Alloc> tree_t; | |
tree_t m_tree; // red-black tree representing multiset | |
typedef typename containers_detail:: | |
move_const_ref_type<T>::type insert_const_ref_type; | |
/// @endcond | |
public: | |
// typedefs: | |
typedef typename tree_t::key_type key_type; | |
typedef typename tree_t::value_type value_type; | |
typedef typename tree_t::pointer pointer; | |
typedef typename tree_t::const_pointer const_pointer; | |
typedef typename tree_t::reference reference; | |
typedef typename tree_t::const_reference const_reference; | |
typedef Pred key_compare; | |
typedef Pred value_compare; | |
typedef typename tree_t::iterator iterator; | |
typedef typename tree_t::const_iterator const_iterator; | |
typedef typename tree_t::reverse_iterator reverse_iterator; | |
typedef typename tree_t::const_reverse_iterator const_reverse_iterator; | |
typedef typename tree_t::size_type size_type; | |
typedef typename tree_t::difference_type difference_type; | |
typedef typename tree_t::allocator_type allocator_type; | |
typedef typename tree_t::stored_allocator_type stored_allocator_type; | |
//! <b>Effects</b>: Constructs an empty multiset using the specified comparison | |
//! object and allocator. | |
//! | |
//! <b>Complexity</b>: Constant. | |
explicit multiset(const Pred& comp = Pred(), | |
const allocator_type& a = allocator_type()) | |
: m_tree(comp, a) | |
{} | |
//! <b>Effects</b>: Constructs an empty multiset 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> | |
multiset(InputIterator first, InputIterator last, | |
const Pred& comp = Pred(), | |
const allocator_type& a = allocator_type()) | |
: m_tree(first, last, comp, a, false) | |
{} | |
//! <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. | |
template <class InputIterator> | |
multiset( ordered_range_t ordered_range, InputIterator first, InputIterator last | |
, const Pred& comp = Pred() | |
, const allocator_type& a = allocator_type()) | |
: m_tree(ordered_range, first, last, comp, a) | |
{} | |
//! <b>Effects</b>: Copy constructs a multiset. | |
//! | |
//! <b>Complexity</b>: Linear in x.size(). | |
multiset(const multiset& x) | |
: m_tree(x.m_tree) | |
{} | |
//! <b>Effects</b>: Move constructs a multiset. Constructs *this using x's resources. | |
//! | |
//! <b>Complexity</b>: Construct. | |
//! | |
//! <b>Postcondition</b>: x is emptied. | |
multiset(BOOST_MOVE_MACRO_RV_REF(multiset) x) | |
: m_tree(BOOST_CONTAINER_MOVE_NAMESPACE::move(x.m_tree)) | |
{} | |
//! <b>Effects</b>: Makes *this a copy of x. | |
//! | |
//! <b>Complexity</b>: Linear in x.size(). | |
multiset& operator=(BOOST_MOVE_MACRO_COPY_ASSIGN_REF(multiset) x) | |
{ m_tree = x.m_tree; return *this; } | |
//! <b>Effects</b>: this->swap(x.get()). | |
//! | |
//! <b>Complexity</b>: Constant. | |
multiset& operator=(BOOST_MOVE_MACRO_RV_REF(multiset) x) | |
{ m_tree = BOOST_CONTAINER_MOVE_NAMESPACE::move(x.m_tree); return *this; } | |
//! <b>Effects</b>: Returns the comparison object out | |
//! of which a was constructed. | |
//! | |
//! <b>Complexity</b>: Constant. | |
key_compare key_comp() const | |
{ return m_tree.key_comp(); } | |
//! <b>Effects</b>: Returns an object of value_compare constructed out | |
//! of the comparison object. | |
//! | |
//! <b>Complexity</b>: Constant. | |
value_compare value_comp() const | |
{ return m_tree.key_comp(); } | |
//! <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 | |
{ return m_tree.get_allocator(); } | |
const stored_allocator_type &get_stored_allocator() const | |
{ return m_tree.get_stored_allocator(); } | |
stored_allocator_type &get_stored_allocator() | |
{ return m_tree.get_stored_allocator(); } | |
//! <b>Effects</b>: Returns an iterator to the first element contained in the container. | |
//! | |
//! <b>Throws</b>: Nothing. | |
//! | |
//! <b>Complexity</b>: Constant. | |
iterator begin() | |
{ return m_tree.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 | |
{ return m_tree.begin(); } | |
//! <b>Effects</b>: Returns an iterator to the end of the container. | |
//! | |
//! <b>Throws</b>: Nothing. | |
//! | |
//! <b>Complexity</b>: Constant. | |
iterator end() | |
{ return m_tree.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 | |
{ return m_tree.end(); } | |
//! <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() | |
{ return m_tree.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 | |
{ return m_tree.rbegin(); } | |
//! <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() | |
{ return m_tree.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 | |
{ return m_tree.rend(); } | |
//! <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 | |
{ return m_tree.cbegin(); } | |
//! <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 | |
{ return m_tree.cend(); } | |
//! <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 | |
{ return m_tree.crbegin(); } | |
//! <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 | |
{ return m_tree.crend(); } | |
//! <b>Effects</b>: Returns true if the container contains no elements. | |
//! | |
//! <b>Throws</b>: Nothing. | |
//! | |
//! <b>Complexity</b>: Constant. | |
bool empty() const | |
{ return m_tree.empty(); } | |
//! <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 | |
{ return m_tree.size(); } | |
//! <b>Effects</b>: Returns the largest possible size of the container. | |
//! | |
//! <b>Throws</b>: Nothing. | |
//! | |
//! <b>Complexity</b>: Constant. | |
size_type max_size() const | |
{ return m_tree.max_size(); } | |
//! <b>Effects</b>: Swaps the contents of *this and x. | |
//! If this->allocator_type() != x.allocator_type() allocators are also swapped. | |
//! | |
//! <b>Throws</b>: Nothing. | |
//! | |
//! <b>Complexity</b>: Constant. | |
void swap(multiset& x) | |
{ m_tree.swap(x.m_tree); } | |
//! <b>Effects</b>: Inserts x and returns the iterator pointing to the | |
//! newly inserted element. | |
//! | |
//! <b>Complexity</b>: Logarithmic. | |
iterator insert(insert_const_ref_type x) | |
{ return priv_insert(x); } | |
#if defined(BOOST_NO_RVALUE_REFERENCES) && !defined(BOOST_MOVE_DOXYGEN_INVOKED) | |
iterator insert(T &x) | |
{ return this->insert(const_cast<const T &>(x)); } | |
template<class U> | |
iterator insert(const U &u, typename containers_detail::enable_if_c<containers_detail::is_same<T, U>::value && !::BOOST_CONTAINER_MOVE_NAMESPACE::is_movable<U>::value >::type* =0) | |
{ return priv_insert(u); } | |
#endif | |
//! <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(BOOST_MOVE_MACRO_RV_REF(value_type) x) | |
{ return m_tree.insert_equal(BOOST_CONTAINER_MOVE_NAMESPACE::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. | |
iterator insert(const_iterator p, insert_const_ref_type x) | |
{ return priv_insert(p, x); } | |
#if defined(BOOST_NO_RVALUE_REFERENCES) && !defined(BOOST_MOVE_DOXYGEN_INVOKED) | |
iterator insert(const_iterator position, T &x) | |
{ return this->insert(position, const_cast<const T &>(x)); } | |
template<class U> | |
iterator insert(const_iterator position, const U &u, typename containers_detail::enable_if_c<containers_detail::is_same<T, U>::value && !::BOOST_CONTAINER_MOVE_NAMESPACE::is_movable<U>::value >::type* =0) | |
{ return priv_insert(position, u); } | |
#endif | |
//! <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, BOOST_MOVE_MACRO_RV_REF(value_type) x) | |
{ return m_tree.insert_equal(p, BOOST_CONTAINER_MOVE_NAMESPACE::move(x)); } | |
//! <b>Requires</b>: i, j are not iterators into *this. | |
//! | |
//! <b>Effects</b>: inserts each element from the range [i,j) . | |
//! | |
//! <b>Complexity</b>: N log(size()+N) (N is the distance from i to j) | |
template <class InputIterator> | |
void insert(InputIterator first, InputIterator last) | |
{ m_tree.insert_equal(first, last); } | |
#if defined(BOOST_CONTAINERS_PERFECT_FORWARDING) || defined(BOOST_CONTAINER_DOXYGEN_INVOKED) | |
//! <b>Effects</b>: Inserts an object of type T 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 m_tree.emplace_equal(BOOST_CONTAINER_MOVE_NAMESPACE::forward<Args>(args)...); } | |
//! <b>Effects</b>: Inserts an object of type T 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 hint, Args&&... args) | |
{ return m_tree.emplace_hint_equal(hint, BOOST_CONTAINER_MOVE_NAMESPACE::forward<Args>(args)...); } | |
#else //#ifdef BOOST_CONTAINERS_PERFECT_FORWARDING | |
iterator emplace() | |
{ return m_tree.emplace_equal(); } | |
iterator emplace_hint(const_iterator hint) | |
{ return m_tree.emplace_hint_equal(hint); } | |
#define BOOST_PP_LOCAL_MACRO(n) \ | |
template<BOOST_PP_ENUM_PARAMS(n, class P)> \ | |
iterator emplace(BOOST_PP_ENUM(n, BOOST_CONTAINERS_PP_PARAM_LIST, _)) \ | |
{ return m_tree.emplace_equal(BOOST_PP_ENUM(n, BOOST_CONTAINERS_PP_PARAM_FORWARD, _)); } \ | |
\ | |
template<BOOST_PP_ENUM_PARAMS(n, class P)> \ | |
iterator emplace_hint(const_iterator hint, BOOST_PP_ENUM(n, BOOST_CONTAINERS_PP_PARAM_LIST, _)) \ | |
{ return m_tree.emplace_hint_equal(hint, BOOST_PP_ENUM(n, BOOST_CONTAINERS_PP_PARAM_FORWARD, _)); }\ | |
//! | |
#define BOOST_PP_LOCAL_LIMITS (1, BOOST_CONTAINERS_MAX_CONSTRUCTOR_PARAMETERS) | |
#include BOOST_PP_LOCAL_ITERATE() | |
#endif //#ifdef BOOST_CONTAINERS_PERFECT_FORWARDING | |
//! <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) | |
{ return m_tree.erase(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) | |
{ return m_tree.erase(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) | |
{ return m_tree.erase(first, last); } | |
//! <b>Effects</b>: erase(a.begin(),a.end()). | |
//! | |
//! <b>Postcondition</b>: size() == 0. | |
//! | |
//! <b>Complexity</b>: linear in size(). | |
void clear() | |
{ m_tree.clear(); } | |
//! <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) | |
{ return m_tree.find(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 | |
{ return m_tree.find(x); } | |
//! <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 m_tree.count(x); } | |
//! <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) | |
{ return m_tree.lower_bound(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 | |
{ return m_tree.lower_bound(x); } | |
//! <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) | |
{ return m_tree.upper_bound(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 | |
{ return m_tree.upper_bound(x); } | |
//! <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 m_tree.equal_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 m_tree.equal_range(x); } | |
/// @cond | |
template <class K1, class C1, class A1> | |
friend bool operator== (const multiset<K1,C1,A1>&, | |
const multiset<K1,C1,A1>&); | |
template <class K1, class C1, class A1> | |
friend bool operator< (const multiset<K1,C1,A1>&, | |
const multiset<K1,C1,A1>&); | |
private: | |
iterator priv_insert(const T &x) | |
{ return m_tree.insert_equal(x); } | |
iterator priv_insert(const_iterator p, const T &x) | |
{ return m_tree.insert_equal(p, x); } | |
/// @endcond | |
}; | |
template <class T, class Pred, class Alloc> | |
inline bool operator==(const multiset<T,Pred,Alloc>& x, | |
const multiset<T,Pred,Alloc>& y) | |
{ return x.m_tree == y.m_tree; } | |
template <class T, class Pred, class Alloc> | |
inline bool operator<(const multiset<T,Pred,Alloc>& x, | |
const multiset<T,Pred,Alloc>& y) | |
{ return x.m_tree < y.m_tree; } | |
template <class T, class Pred, class Alloc> | |
inline bool operator!=(const multiset<T,Pred,Alloc>& x, | |
const multiset<T,Pred,Alloc>& y) | |
{ return !(x == y); } | |
template <class T, class Pred, class Alloc> | |
inline bool operator>(const multiset<T,Pred,Alloc>& x, | |
const multiset<T,Pred,Alloc>& y) | |
{ return y < x; } | |
template <class T, class Pred, class Alloc> | |
inline bool operator<=(const multiset<T,Pred,Alloc>& x, | |
const multiset<T,Pred,Alloc>& y) | |
{ return !(y < x); } | |
template <class T, class Pred, class Alloc> | |
inline bool operator>=(const multiset<T,Pred,Alloc>& x, | |
const multiset<T,Pred,Alloc>& y) | |
{ return !(x < y); } | |
template <class T, class Pred, class Alloc> | |
inline void swap(multiset<T,Pred,Alloc>& x, multiset<T,Pred,Alloc>& y) | |
{ x.swap(y); } | |
/// @cond | |
} //namespace container { | |
/* | |
//!has_trivial_destructor_after_move<> == true_type | |
//!specialization for optimizations | |
template <class T, class C, class A> | |
struct has_trivial_destructor_after_move<boost::container::multiset<T, C, A> > | |
{ | |
static const bool value = has_trivial_destructor<A>::value && has_trivial_destructor<C>::value; | |
}; | |
*/ | |
namespace container { | |
/// @endcond | |
}} | |
#include INCLUDE_BOOST_CONTAINER_DETAIL_CONFIG_END_HPP | |
#endif /* BOOST_CONTAINERS_SET_HPP */ | |