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unordered/include/boost/unordered/unordered_set.hpp
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// Copyright (C) 2003-2004 Jeremy B. Maitin-Shepard.
// Copyright (C) 2005-2011 Daniel James.
// Copyright (C) 2022 Christian Mazakas
// 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/unordered for documentation
#ifndef BOOST_UNORDERED_UNORDERED_SET_HPP_INCLUDED
#define BOOST_UNORDERED_UNORDERED_SET_HPP_INCLUDED
#include <boost/config.hpp>
#if defined(BOOST_HAS_PRAGMA_ONCE)
#pragma once
#endif
#include <boost/unordered/detail/requires_cxx11.hpp>
#include <boost/core/explicit_operator_bool.hpp>
#include <boost/functional/hash.hpp>
#include <boost/move/move.hpp>
#include <boost/unordered/detail/set.hpp>
#include <boost/unordered/detail/type_traits.hpp>
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
#include <initializer_list>
#endif
#if defined(BOOST_MSVC)
#pragma warning(push)
// conditional expression is constant
#pragma warning(disable : 4127)
#if BOOST_MSVC >= 1400
// the inline specifier cannot be used when a friend declaration refers to a
// specialization of a function template
#pragma warning(disable : 4396)
#endif
#endif
namespace boost {
namespace unordered {
template <class T, class H, class P, class A> class unordered_set
{
#if defined(BOOST_UNORDERED_USE_MOVE)
BOOST_COPYABLE_AND_MOVABLE(unordered_set)
#endif
template <typename, typename, typename, typename>
friend class unordered_multiset;
public:
typedef T key_type;
typedef T value_type;
typedef H hasher;
typedef P key_equal;
typedef A allocator_type;
private:
typedef boost::unordered::detail::set<A, T, H, P> types;
typedef typename types::value_allocator_traits value_allocator_traits;
typedef typename types::table table;
public:
typedef typename value_allocator_traits::pointer pointer;
typedef typename value_allocator_traits::const_pointer const_pointer;
typedef value_type& reference;
typedef value_type const& const_reference;
typedef std::size_t size_type;
typedef std::ptrdiff_t difference_type;
typedef typename table::c_iterator iterator;
typedef typename table::c_iterator const_iterator;
typedef typename table::cl_iterator local_iterator;
typedef typename table::cl_iterator const_local_iterator;
typedef typename types::node_type node_type;
typedef typename types::insert_return_type insert_return_type;
private:
table table_;
public:
// constructors
unordered_set();
explicit unordered_set(size_type, const hasher& = hasher(),
const key_equal& = key_equal(),
const allocator_type& = allocator_type());
template <class InputIt>
unordered_set(InputIt, InputIt,
size_type = boost::unordered::detail::default_bucket_count,
const hasher& = hasher(), const key_equal& = key_equal(),
const allocator_type& = allocator_type());
unordered_set(unordered_set const&);
#if defined(BOOST_UNORDERED_USE_MOVE) || \
!defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
unordered_set(BOOST_RV_REF(unordered_set) other)
BOOST_NOEXCEPT_IF(table::nothrow_move_constructible)
: table_(other.table_, boost::unordered::detail::move_tag())
{
// The move is done in table_
}
#endif
explicit unordered_set(allocator_type const&);
unordered_set(unordered_set const&, allocator_type const&);
unordered_set(BOOST_RV_REF(unordered_set), allocator_type const&);
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
unordered_set(std::initializer_list<value_type>,
size_type = boost::unordered::detail::default_bucket_count,
const hasher& = hasher(), const key_equal& l = key_equal(),
const allocator_type& = allocator_type());
#endif
explicit unordered_set(size_type, const allocator_type&);
explicit unordered_set(size_type, const hasher&, const allocator_type&);
template <class InputIterator>
unordered_set(InputIterator, InputIterator, const allocator_type&);
template <class InputIt>
unordered_set(InputIt, InputIt, size_type, const allocator_type&);
template <class InputIt>
unordered_set(
InputIt, InputIt, size_type, const hasher&, const allocator_type&);
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
unordered_set(std::initializer_list<value_type>, const allocator_type&);
unordered_set(
std::initializer_list<value_type>, size_type, const allocator_type&);
unordered_set(std::initializer_list<value_type>, size_type, const hasher&,
const allocator_type&);
#endif
// Destructor
~unordered_set() BOOST_NOEXCEPT;
// Assign
#if defined(BOOST_UNORDERED_USE_MOVE)
unordered_set& operator=(BOOST_COPY_ASSIGN_REF(unordered_set) x)
{
table_.assign(x.table_, boost::unordered::detail::true_type());
return *this;
}
unordered_set& operator=(BOOST_RV_REF(unordered_set) x)
BOOST_NOEXCEPT_IF(value_allocator_traits::is_always_equal::value&&
boost::is_nothrow_move_assignable<H>::value&&
boost::is_nothrow_move_assignable<P>::value)
{
table_.move_assign(x.table_, boost::unordered::detail::true_type());
return *this;
}
#else
unordered_set& operator=(unordered_set const& x)
{
table_.assign(x.table_, boost::unordered::detail::true_type());
return *this;
}
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
unordered_set& operator=(unordered_set&& x)
BOOST_NOEXCEPT_IF(value_allocator_traits::is_always_equal::value&&
boost::is_nothrow_move_assignable<H>::value&&
boost::is_nothrow_move_assignable<P>::value)
{
table_.move_assign(x.table_, boost::unordered::detail::true_type());
return *this;
}
#endif
#endif
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
unordered_set& operator=(std::initializer_list<value_type>);
#endif
allocator_type get_allocator() const BOOST_NOEXCEPT
{
return table_.node_alloc();
}
// iterators
iterator begin() BOOST_NOEXCEPT { return iterator(table_.begin()); }
const_iterator begin() const BOOST_NOEXCEPT
{
return const_iterator(table_.begin());
}
iterator end() BOOST_NOEXCEPT { return iterator(); }
const_iterator end() const BOOST_NOEXCEPT { return const_iterator(); }
const_iterator cbegin() const BOOST_NOEXCEPT
{
return const_iterator(table_.begin());
}
const_iterator cend() const BOOST_NOEXCEPT { return const_iterator(); }
// size and capacity
BOOST_ATTRIBUTE_NODISCARD bool empty() const BOOST_NOEXCEPT
{
return table_.size_ == 0;
}
size_type size() const BOOST_NOEXCEPT { return table_.size_; }
size_type max_size() const BOOST_NOEXCEPT;
// emplace
#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
template <class... Args>
std::pair<iterator, bool> emplace(BOOST_FWD_REF(Args)... args)
{
return table_.emplace_unique(
table::extractor::extract(boost::forward<Args>(args)...),
boost::forward<Args>(args)...);
}
#else
#if !BOOST_UNORDERED_SUN_WORKAROUNDS1
// 0 argument emplace requires special treatment in case
// the container is instantiated with a value type that
// doesn't have a default constructor.
std::pair<iterator, bool> emplace(
boost::unordered::detail::empty_emplace =
boost::unordered::detail::empty_emplace(),
value_type v = value_type())
{
return this->emplace(boost::move(v));
}
#endif
template <typename A0>
std::pair<iterator, bool> emplace(BOOST_FWD_REF(A0) a0)
{
return table_.emplace_unique(
table::extractor::extract(boost::forward<A0>(a0)),
boost::unordered::detail::create_emplace_args(
boost::forward<A0>(a0)));
}
template <typename A0, typename A1>
std::pair<iterator, bool> emplace(
BOOST_FWD_REF(A0) a0, BOOST_FWD_REF(A1) a1)
{
return table_.emplace_unique(
table::extractor::extract(
boost::forward<A0>(a0), boost::forward<A1>(a1)),
boost::unordered::detail::create_emplace_args(
boost::forward<A0>(a0), boost::forward<A1>(a1)));
}
template <typename A0, typename A1, typename A2>
std::pair<iterator, bool> emplace(
BOOST_FWD_REF(A0) a0, BOOST_FWD_REF(A1) a1, BOOST_FWD_REF(A2) a2)
{
return table_.emplace_unique(
table::extractor::extract(
boost::forward<A0>(a0), boost::forward<A1>(a1)),
boost::unordered::detail::create_emplace_args(boost::forward<A0>(a0),
boost::forward<A1>(a1), boost::forward<A2>(a2)));
}
#endif
#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
template <class... Args>
iterator emplace_hint(const_iterator hint, BOOST_FWD_REF(Args)... args)
{
return table_.emplace_hint_unique(hint,
table::extractor::extract(boost::forward<Args>(args)...),
boost::forward<Args>(args)...);
}
#else
#if !BOOST_UNORDERED_SUN_WORKAROUNDS1
iterator emplace_hint(const_iterator hint,
boost::unordered::detail::empty_emplace =
boost::unordered::detail::empty_emplace(),
value_type v = value_type())
{
return this->emplace_hint(hint, boost::move(v));
}
#endif
template <typename A0>
iterator emplace_hint(const_iterator hint, BOOST_FWD_REF(A0) a0)
{
return table_.emplace_hint_unique(hint,
table::extractor::extract(boost::forward<A0>(a0)),
boost::unordered::detail::create_emplace_args(
boost::forward<A0>(a0)));
}
template <typename A0, typename A1>
iterator emplace_hint(
const_iterator hint, BOOST_FWD_REF(A0) a0, BOOST_FWD_REF(A1) a1)
{
return table_.emplace_hint_unique(hint,
table::extractor::extract(
boost::forward<A0>(a0), boost::forward<A1>(a1)),
boost::unordered::detail::create_emplace_args(
boost::forward<A0>(a0), boost::forward<A1>(a1)));
}
template <typename A0, typename A1, typename A2>
iterator emplace_hint(const_iterator hint, BOOST_FWD_REF(A0) a0,
BOOST_FWD_REF(A1) a1, BOOST_FWD_REF(A2) a2)
{
return table_.emplace_hint_unique(hint,
table::extractor::extract(
boost::forward<A0>(a0), boost::forward<A1>(a1)),
boost::unordered::detail::create_emplace_args(boost::forward<A0>(a0),
boost::forward<A1>(a1), boost::forward<A2>(a2)));
}
#endif
#if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
#define BOOST_UNORDERED_EMPLACE(z, n, _) \
template <BOOST_PP_ENUM_PARAMS_Z(z, n, typename A)> \
std::pair<iterator, bool> emplace( \
BOOST_PP_ENUM_##z(n, BOOST_UNORDERED_FWD_PARAM, a)) \
{ \
return table_.emplace_unique( \
table::extractor::extract( \
boost::forward<A0>(a0), boost::forward<A1>(a1)), \
boost::unordered::detail::create_emplace_args( \
BOOST_PP_ENUM_##z(n, BOOST_UNORDERED_CALL_FORWARD, a))); \
} \
\
template <BOOST_PP_ENUM_PARAMS_Z(z, n, typename A)> \
iterator emplace_hint( \
const_iterator hint, BOOST_PP_ENUM_##z(n, BOOST_UNORDERED_FWD_PARAM, a)) \
{ \
return table_.emplace_hint_unique(hint, \
table::extractor::extract( \
boost::forward<A0>(a0), boost::forward<A1>(a1)), \
boost::unordered::detail::create_emplace_args( \
BOOST_PP_ENUM_##z(n, BOOST_UNORDERED_CALL_FORWARD, a))); \
}
BOOST_UNORDERED_EMPLACE(1, 4, _)
BOOST_UNORDERED_EMPLACE(1, 5, _)
BOOST_UNORDERED_EMPLACE(1, 6, _)
BOOST_UNORDERED_EMPLACE(1, 7, _)
BOOST_UNORDERED_EMPLACE(1, 8, _)
BOOST_UNORDERED_EMPLACE(1, 9, _)
BOOST_PP_REPEAT_FROM_TO(10, BOOST_PP_INC(BOOST_UNORDERED_EMPLACE_LIMIT),
BOOST_UNORDERED_EMPLACE, _)
#undef BOOST_UNORDERED_EMPLACE
#endif
std::pair<iterator, bool> insert(value_type const& x)
{
return this->emplace(x);
}
std::pair<iterator, bool> insert(BOOST_UNORDERED_RV_REF(value_type) x)
{
return this->emplace(boost::move(x));
}
template <class Key>
typename boost::enable_if_c<
detail::transparent_non_iterable<Key, unordered_set>::value,
std::pair<iterator, bool> >::type
insert(BOOST_FWD_REF(Key) k)
{
return table_.try_emplace_unique(boost::forward<Key>(k));
}
iterator insert(const_iterator hint, value_type const& x)
{
return this->emplace_hint(hint, x);
}
iterator insert(const_iterator hint, BOOST_UNORDERED_RV_REF(value_type) x)
{
return this->emplace_hint(hint, boost::move(x));
}
template <class Key>
typename boost::enable_if_c<
detail::transparent_non_iterable<Key, unordered_set>::value,
iterator>::type
insert(const_iterator hint, BOOST_FWD_REF(Key) k)
{
return table_.try_emplace_hint_unique(hint, boost::forward<Key>(k));
}
template <class InputIt> void insert(InputIt, InputIt);
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
void insert(std::initializer_list<value_type>);
#endif
// extract
node_type extract(const_iterator position)
{
return node_type(
table_.extract_by_iterator_unique(position), table_.node_alloc());
}
node_type extract(const key_type& k)
{
return node_type(table_.extract_by_key_impl(k), table_.node_alloc());
}
template <class Key>
typename boost::enable_if_c<
detail::transparent_non_iterable<Key, unordered_set>::value,
node_type>::type
extract(const Key& k)
{
return node_type(table_.extract_by_key_impl(k), table_.node_alloc());
}
insert_return_type insert(BOOST_RV_REF(node_type) np)
{
insert_return_type result;
table_.move_insert_node_type_unique(np, result);
return boost::move(result);
}
iterator insert(const_iterator hint, BOOST_RV_REF(node_type) np)
{
return table_.move_insert_node_type_with_hint_unique(hint, np);
}
#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES) || \
(BOOST_COMP_GNUC && BOOST_COMP_GNUC < BOOST_VERSION_NUMBER(4, 6, 0))
private:
// Note: Use r-value node_type to insert.
insert_return_type insert(node_type&);
iterator insert(const_iterator, node_type& np);
public:
#endif
iterator erase(const_iterator);
size_type erase(const key_type&);
iterator erase(const_iterator, const_iterator);
template <class Key>
typename boost::enable_if_c<
detail::transparent_non_iterable<Key, unordered_set>::value,
size_type>::type
erase(BOOST_FWD_REF(Key) k)
{
return table_.erase_key_unique_impl(boost::forward<Key>(k));
}
BOOST_UNORDERED_DEPRECATED("Use erase instead")
void quick_erase(const_iterator it) { erase(it); }
BOOST_UNORDERED_DEPRECATED("Use erase instead")
void erase_return_void(const_iterator it) { erase(it); }
void swap(unordered_set&)
BOOST_NOEXCEPT_IF(value_allocator_traits::is_always_equal::value&&
boost::is_nothrow_swappable<H>::value&&
boost::is_nothrow_swappable<P>::value);
void clear() BOOST_NOEXCEPT { table_.clear_impl(); }
template <typename H2, typename P2>
void merge(boost::unordered_set<T, H2, P2, A>& source);
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
template <typename H2, typename P2>
void merge(boost::unordered_set<T, H2, P2, A>&& source);
#endif
template <typename H2, typename P2>
void merge(boost::unordered_multiset<T, H2, P2, A>& source);
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
template <typename H2, typename P2>
void merge(boost::unordered_multiset<T, H2, P2, A>&& source);
#endif
// observers
hasher hash_function() const;
key_equal key_eq() const;
// lookup
const_iterator find(const key_type&) const;
template <class Key>
typename boost::enable_if_c<detail::are_transparent<Key, H, P>::value,
const_iterator>::type
find(const Key& k) const
{
return const_iterator(table_.find(k));
}
template <class CompatibleKey, class CompatibleHash,
class CompatiblePredicate>
const_iterator find(CompatibleKey const&, CompatibleHash const&,
CompatiblePredicate const&) const;
bool contains(key_type const& k) const
{
return table_.find(k) != this->end();
}
template <class Key>
typename boost::enable_if_c<detail::are_transparent<Key, H, P>::value,
bool>::type
contains(const Key& k) const
{
return table_.find(k) != this->end();
}
size_type count(const key_type&) const;
template <class Key>
typename boost::enable_if_c<detail::are_transparent<Key, H, P>::value,
size_type>::type
count(const Key& k) const
{
return table_.find(k) != this->end() ? 1 : 0;
}
std::pair<const_iterator, const_iterator> equal_range(
const key_type&) const;
template <class Key>
typename boost::enable_if_c<detail::are_transparent<Key, H, P>::value,
std::pair<const_iterator, const_iterator> >::type
equal_range(Key const& k) const
{
iterator n = table_.find(k);
iterator m = n;
if (m != this->end()) {
++m;
}
return std::make_pair(const_iterator(n), const_iterator(m));
}
// bucket interface
size_type bucket_count() const BOOST_NOEXCEPT
{
return table_.bucket_count();
}
size_type max_bucket_count() const BOOST_NOEXCEPT
{
return table_.max_bucket_count();
}
size_type bucket_size(size_type) const;
size_type bucket(const key_type& k) const
{
return table_.hash_to_bucket(table_.hash(k));
}
template <class Key>
typename boost::enable_if_c<detail::are_transparent<Key, H, P>::value,
size_type>::type
bucket(BOOST_FWD_REF(Key) k) const
{
return table_.hash_to_bucket(table_.hash(boost::forward<Key>(k)));
}
local_iterator begin(size_type n)
{
return local_iterator(table_.begin(n));
}
const_local_iterator begin(size_type n) const
{
return const_local_iterator(table_.begin(n));
}
local_iterator end(size_type) { return local_iterator(); }
const_local_iterator end(size_type) const
{
return const_local_iterator();
}
const_local_iterator cbegin(size_type n) const
{
return const_local_iterator(table_.begin(n));
}
const_local_iterator cend(size_type) const
{
return const_local_iterator();
}
// hash policy
float load_factor() const BOOST_NOEXCEPT;
float max_load_factor() const BOOST_NOEXCEPT { return table_.mlf_; }
void max_load_factor(float) BOOST_NOEXCEPT;
void rehash(size_type);
void reserve(size_type);
#if !BOOST_WORKAROUND(BOOST_BORLANDC, < 0x0582)
friend bool operator==
<T, H, P, A>(unordered_set const&, unordered_set const&);
friend bool operator!=
<T, H, P, A>(unordered_set const&, unordered_set const&);
#endif
}; // class template unordered_set
#if BOOST_UNORDERED_TEMPLATE_DEDUCTION_GUIDES
template <class InputIterator,
class Hash =
boost::hash<typename std::iterator_traits<InputIterator>::value_type>,
class Pred =
std::equal_to<typename std::iterator_traits<InputIterator>::value_type>,
class Allocator = std::allocator<
typename std::iterator_traits<InputIterator>::value_type>,
class = boost::enable_if_t<detail::is_input_iterator_v<InputIterator> >,
class = boost::enable_if_t<detail::is_hash_v<Hash> >,
class = boost::enable_if_t<detail::is_pred_v<Pred> >,
class = boost::enable_if_t<detail::is_allocator_v<Allocator> > >
unordered_set(InputIterator, InputIterator,
std::size_t = boost::unordered::detail::default_bucket_count,
Hash = Hash(), Pred = Pred(), Allocator = Allocator())
-> unordered_set<typename std::iterator_traits<InputIterator>::value_type,
Hash, Pred, Allocator>;
template <class T, class Hash = boost::hash<T>,
class Pred = std::equal_to<T>, class Allocator = std::allocator<T>,
class = boost::enable_if_t<detail::is_hash_v<Hash> >,
class = boost::enable_if_t<detail::is_pred_v<Pred> >,
class = boost::enable_if_t<detail::is_allocator_v<Allocator> > >
unordered_set(std::initializer_list<T>,
std::size_t = boost::unordered::detail::default_bucket_count,
Hash = Hash(), Pred = Pred(), Allocator = Allocator())
-> unordered_set<T, Hash, Pred, Allocator>;
template <class InputIterator, class Allocator,
class = boost::enable_if_t<detail::is_input_iterator_v<InputIterator> >,
class = boost::enable_if_t<detail::is_allocator_v<Allocator> > >
unordered_set(InputIterator, InputIterator, std::size_t, Allocator)
-> unordered_set<typename std::iterator_traits<InputIterator>::value_type,
boost::hash<typename std::iterator_traits<InputIterator>::value_type>,
std::equal_to<typename std::iterator_traits<InputIterator>::value_type>,
Allocator>;
template <class InputIterator, class Hash, class Allocator,
class = boost::enable_if_t<detail::is_hash_v<Hash> >,
class = boost::enable_if_t<detail::is_input_iterator_v<InputIterator> >,
class = boost::enable_if_t<detail::is_allocator_v<Allocator> > >
unordered_set(InputIterator, InputIterator, std::size_t, Hash, Allocator)
-> unordered_set<typename std::iterator_traits<InputIterator>::value_type,
Hash,
std::equal_to<typename std::iterator_traits<InputIterator>::value_type>,
Allocator>;
template <class T, class Allocator,
class = boost::enable_if_t<detail::is_allocator_v<Allocator> > >
unordered_set(std::initializer_list<T>, std::size_t, Allocator)
-> unordered_set<T, boost::hash<T>, std::equal_to<T>, Allocator>;
template <class T, class Hash, class Allocator,
class = boost::enable_if_t<detail::is_hash_v<Hash> >,
class = boost::enable_if_t<detail::is_allocator_v<Allocator> > >
unordered_set(std::initializer_list<T>, std::size_t, Hash, Allocator)
-> unordered_set<T, Hash, std::equal_to<T>, Allocator>;
template <class InputIterator, class Allocator,
class = boost::enable_if_t<detail::is_input_iterator_v<InputIterator> >,
class = boost::enable_if_t<detail::is_allocator_v<Allocator> > >
unordered_set(InputIterator, InputIterator, Allocator)
-> unordered_set<typename std::iterator_traits<InputIterator>::value_type,
boost::hash<typename std::iterator_traits<InputIterator>::value_type>,
std::equal_to<typename std::iterator_traits<InputIterator>::value_type>,
Allocator>;
template <class T, class Allocator,
class = boost::enable_if_t<detail::is_allocator_v<Allocator> > >
unordered_set(std::initializer_list<T>, Allocator)
-> unordered_set<T, boost::hash<T>, std::equal_to<T>, Allocator>;
#endif
template <class T, class H, class P, class A> class unordered_multiset
{
#if defined(BOOST_UNORDERED_USE_MOVE)
BOOST_COPYABLE_AND_MOVABLE(unordered_multiset)
#endif
template <typename, typename, typename, typename>
friend class unordered_set;
public:
typedef T key_type;
typedef T value_type;
typedef H hasher;
typedef P key_equal;
typedef A allocator_type;
private:
typedef boost::unordered::detail::set<A, T, H, P> types;
typedef typename types::value_allocator_traits value_allocator_traits;
typedef typename types::table table;
public:
typedef typename value_allocator_traits::pointer pointer;
typedef typename value_allocator_traits::const_pointer const_pointer;
typedef value_type& reference;
typedef value_type const& const_reference;
typedef std::size_t size_type;
typedef std::ptrdiff_t difference_type;
typedef typename table::c_iterator iterator;
typedef typename table::c_iterator const_iterator;
typedef typename table::cl_iterator local_iterator;
typedef typename table::cl_iterator const_local_iterator;
typedef typename types::node_type node_type;
private:
table table_;
public:
// constructors
unordered_multiset();
explicit unordered_multiset(size_type, const hasher& = hasher(),
const key_equal& = key_equal(),
const allocator_type& = allocator_type());
template <class InputIt>
unordered_multiset(InputIt, InputIt,
size_type = boost::unordered::detail::default_bucket_count,
const hasher& = hasher(), const key_equal& = key_equal(),
const allocator_type& = allocator_type());
unordered_multiset(unordered_multiset const&);
#if defined(BOOST_UNORDERED_USE_MOVE) || \
!defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
unordered_multiset(BOOST_RV_REF(unordered_multiset) other)
BOOST_NOEXCEPT_IF(table::nothrow_move_constructible)
: table_(other.table_, boost::unordered::detail::move_tag())
{
// The move is done in table_
}
#endif
explicit unordered_multiset(allocator_type const&);
unordered_multiset(unordered_multiset const&, allocator_type const&);
unordered_multiset(
BOOST_RV_REF(unordered_multiset), allocator_type const&);
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
unordered_multiset(std::initializer_list<value_type>,
size_type = boost::unordered::detail::default_bucket_count,
const hasher& = hasher(), const key_equal& l = key_equal(),
const allocator_type& = allocator_type());
#endif
explicit unordered_multiset(size_type, const allocator_type&);
explicit unordered_multiset(
size_type, const hasher&, const allocator_type&);
template <class InputIterator>
unordered_multiset(InputIterator, InputIterator, const allocator_type&);
template <class InputIt>
unordered_multiset(InputIt, InputIt, size_type, const allocator_type&);
template <class InputIt>
unordered_multiset(
InputIt, InputIt, size_type, const hasher&, const allocator_type&);
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
unordered_multiset(
std::initializer_list<value_type>, const allocator_type&);
unordered_multiset(
std::initializer_list<value_type>, size_type, const allocator_type&);
unordered_multiset(std::initializer_list<value_type>, size_type,
const hasher&, const allocator_type&);
#endif
// Destructor
~unordered_multiset() BOOST_NOEXCEPT;
// Assign
#if defined(BOOST_UNORDERED_USE_MOVE)
unordered_multiset& operator=(BOOST_COPY_ASSIGN_REF(unordered_multiset) x)
{
table_.assign(x.table_, boost::unordered::detail::false_type());
return *this;
}
unordered_multiset& operator=(BOOST_RV_REF(unordered_multiset) x)
BOOST_NOEXCEPT_IF(value_allocator_traits::is_always_equal::value&&
boost::is_nothrow_move_assignable<H>::value&&
boost::is_nothrow_move_assignable<P>::value)
{
table_.move_assign(x.table_, boost::unordered::detail::false_type());
return *this;
}
#else
unordered_multiset& operator=(unordered_multiset const& x)
{
table_.assign(x.table_, boost::unordered::detail::false_type());
return *this;
}
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
unordered_multiset& operator=(unordered_multiset&& x)
BOOST_NOEXCEPT_IF(value_allocator_traits::is_always_equal::value&&
boost::is_nothrow_move_assignable<H>::value&&
boost::is_nothrow_move_assignable<P>::value)
{
table_.move_assign(x.table_, boost::unordered::detail::false_type());
return *this;
}
#endif
#endif
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
unordered_multiset& operator=(std::initializer_list<value_type>);
#endif
allocator_type get_allocator() const BOOST_NOEXCEPT
{
return table_.node_alloc();
}
// iterators
iterator begin() BOOST_NOEXCEPT { return iterator(table_.begin()); }
const_iterator begin() const BOOST_NOEXCEPT
{
return const_iterator(table_.begin());
}
iterator end() BOOST_NOEXCEPT { return iterator(); }
const_iterator end() const BOOST_NOEXCEPT { return const_iterator(); }
const_iterator cbegin() const BOOST_NOEXCEPT
{
return const_iterator(table_.begin());
}
const_iterator cend() const BOOST_NOEXCEPT { return const_iterator(); }
// size and capacity
BOOST_ATTRIBUTE_NODISCARD bool empty() const BOOST_NOEXCEPT
{
return table_.size_ == 0;
}
size_type size() const BOOST_NOEXCEPT { return table_.size_; }
size_type max_size() const BOOST_NOEXCEPT;
// emplace
#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
template <class... Args> iterator emplace(BOOST_FWD_REF(Args)... args)
{
return iterator(table_.emplace_equiv(
boost::unordered::detail::func::construct_node_from_args(
table_.node_alloc(), boost::forward<Args>(args)...)));
}
#else
#if !BOOST_UNORDERED_SUN_WORKAROUNDS1
// 0 argument emplace requires special treatment in case
// the container is instantiated with a value type that
// doesn't have a default constructor.
iterator emplace(boost::unordered::detail::empty_emplace =
boost::unordered::detail::empty_emplace(),
value_type v = value_type())
{
return this->emplace(boost::move(v));
}
#endif
template <typename A0> iterator emplace(BOOST_FWD_REF(A0) a0)
{
return iterator(table_.emplace_equiv(
boost::unordered::detail::func::construct_node_from_args(
table_.node_alloc(), boost::unordered::detail::create_emplace_args(
boost::forward<A0>(a0)))));
}
template <typename A0, typename A1>
iterator emplace(BOOST_FWD_REF(A0) a0, BOOST_FWD_REF(A1) a1)
{
return iterator(table_.emplace_equiv(
boost::unordered::detail::func::construct_node_from_args(
table_.node_alloc(),
boost::unordered::detail::create_emplace_args(
boost::forward<A0>(a0), boost::forward<A1>(a1)))));
}
template <typename A0, typename A1, typename A2>
iterator emplace(
BOOST_FWD_REF(A0) a0, BOOST_FWD_REF(A1) a1, BOOST_FWD_REF(A2) a2)
{
return iterator(table_.emplace_equiv(
boost::unordered::detail::func::construct_node_from_args(
table_.node_alloc(),
boost::unordered::detail::create_emplace_args(
boost::forward<A0>(a0), boost::forward<A1>(a1),
boost::forward<A2>(a2)))));
}
#endif
#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
template <class... Args>
iterator emplace_hint(const_iterator hint, BOOST_FWD_REF(Args)... args)
{
return iterator(table_.emplace_hint_equiv(
hint, boost::unordered::detail::func::construct_node_from_args(
table_.node_alloc(), boost::forward<Args>(args)...)));
}
#else
#if !BOOST_UNORDERED_SUN_WORKAROUNDS1
iterator emplace_hint(const_iterator hint,
boost::unordered::detail::empty_emplace =
boost::unordered::detail::empty_emplace(),
value_type v = value_type())
{
return this->emplace_hint(hint, boost::move(v));
}
#endif
template <typename A0>
iterator emplace_hint(const_iterator hint, BOOST_FWD_REF(A0) a0)
{
return iterator(table_.emplace_hint_equiv(hint,
boost::unordered::detail::func::construct_node_from_args(
table_.node_alloc(), boost::unordered::detail::create_emplace_args(
boost::forward<A0>(a0)))));
}
template <typename A0, typename A1>
iterator emplace_hint(
const_iterator hint, BOOST_FWD_REF(A0) a0, BOOST_FWD_REF(A1) a1)
{
return iterator(table_.emplace_hint_equiv(
hint, boost::unordered::detail::func::construct_node_from_args(
table_.node_alloc(),
boost::unordered::detail::create_emplace_args(
boost::forward<A0>(a0), boost::forward<A1>(a1)))));
}
template <typename A0, typename A1, typename A2>
iterator emplace_hint(const_iterator hint, BOOST_FWD_REF(A0) a0,
BOOST_FWD_REF(A1) a1, BOOST_FWD_REF(A2) a2)
{
return iterator(table_.emplace_hint_equiv(
hint, boost::unordered::detail::func::construct_node_from_args(
table_.node_alloc(),
boost::unordered::detail::create_emplace_args(
boost::forward<A0>(a0), boost::forward<A1>(a1),
boost::forward<A2>(a2)))));
}
#endif
#if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
#define BOOST_UNORDERED_EMPLACE(z, n, _) \
template <BOOST_PP_ENUM_PARAMS_Z(z, n, typename A)> \
iterator emplace(BOOST_PP_ENUM_##z(n, BOOST_UNORDERED_FWD_PARAM, a)) \
{ \
return iterator(table_.emplace_equiv( \
boost::unordered::detail::func::construct_node_from_args( \
table_.node_alloc(), \
boost::unordered::detail::create_emplace_args( \
BOOST_PP_ENUM_##z(n, BOOST_UNORDERED_CALL_FORWARD, a))))); \
} \
\
template <BOOST_PP_ENUM_PARAMS_Z(z, n, typename A)> \
iterator emplace_hint( \
const_iterator hint, BOOST_PP_ENUM_##z(n, BOOST_UNORDERED_FWD_PARAM, a)) \
{ \
return iterator(table_.emplace_hint_equiv( \
hint, boost::unordered::detail::func::construct_node_from_args( \
table_.node_alloc(), \
boost::unordered::detail::create_emplace_args( \
BOOST_PP_ENUM_##z(n, BOOST_UNORDERED_CALL_FORWARD, a))))); \
}
BOOST_UNORDERED_EMPLACE(1, 4, _)
BOOST_UNORDERED_EMPLACE(1, 5, _)
BOOST_UNORDERED_EMPLACE(1, 6, _)
BOOST_UNORDERED_EMPLACE(1, 7, _)
BOOST_UNORDERED_EMPLACE(1, 8, _)
BOOST_UNORDERED_EMPLACE(1, 9, _)
BOOST_PP_REPEAT_FROM_TO(10, BOOST_PP_INC(BOOST_UNORDERED_EMPLACE_LIMIT),
BOOST_UNORDERED_EMPLACE, _)
#undef BOOST_UNORDERED_EMPLACE
#endif
iterator insert(value_type const& x) { return this->emplace(x); }
iterator insert(BOOST_UNORDERED_RV_REF(value_type) x)
{
return this->emplace(boost::move(x));
}
iterator insert(const_iterator hint, value_type const& x)
{
return this->emplace_hint(hint, x);
}
iterator insert(const_iterator hint, BOOST_UNORDERED_RV_REF(value_type) x)
{
return this->emplace_hint(hint, boost::move(x));
}
template <class InputIt> void insert(InputIt, InputIt);
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
void insert(std::initializer_list<value_type>);
#endif
// extract
node_type extract(const_iterator position)
{
return node_type(
table_.extract_by_iterator_equiv(position), table_.node_alloc());
}
node_type extract(const key_type& k)
{
return node_type(table_.extract_by_key_impl(k), table_.node_alloc());
}
template <class Key>
typename boost::enable_if_c<
detail::transparent_non_iterable<Key, unordered_multiset>::value,
node_type>::type
extract(const Key& k)
{
return node_type(table_.extract_by_key_impl(k), table_.node_alloc());
}
iterator insert(BOOST_RV_REF(node_type) np)
{
return table_.move_insert_node_type_equiv(np);
}
iterator insert(const_iterator hint, BOOST_RV_REF(node_type) np)
{
return table_.move_insert_node_type_with_hint_equiv(hint, np);
}
#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES) || \
(BOOST_COMP_GNUC && BOOST_COMP_GNUC < BOOST_VERSION_NUMBER(4, 6, 0))
private:
// Note: Use r-value node_type to insert.
iterator insert(node_type&);
iterator insert(const_iterator, node_type& np);
public:
#endif
iterator erase(const_iterator);
size_type erase(const key_type&);
template <class Key>
typename boost::enable_if_c<
detail::transparent_non_iterable<Key, unordered_multiset>::value,
size_type>::type
erase(const Key& k)
{
return table_.erase_key_equiv_impl(k);
}
iterator erase(const_iterator, const_iterator);
BOOST_UNORDERED_DEPRECATED("Use erase instead")
void quick_erase(const_iterator it) { erase(it); }
BOOST_UNORDERED_DEPRECATED("Use erase instead")
void erase_return_void(const_iterator it) { erase(it); }
void swap(unordered_multiset&)
BOOST_NOEXCEPT_IF(value_allocator_traits::is_always_equal::value&&
boost::is_nothrow_swappable<H>::value&&
boost::is_nothrow_swappable<P>::value);
void clear() BOOST_NOEXCEPT { table_.clear_impl(); }
template <typename H2, typename P2>
void merge(boost::unordered_multiset<T, H2, P2, A>& source);
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
template <typename H2, typename P2>
void merge(boost::unordered_multiset<T, H2, P2, A>&& source);
#endif
template <typename H2, typename P2>
void merge(boost::unordered_set<T, H2, P2, A>& source);
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
template <typename H2, typename P2>
void merge(boost::unordered_set<T, H2, P2, A>&& source);
#endif
// observers
hasher hash_function() const;
key_equal key_eq() const;
// lookup
const_iterator find(const key_type&) const;
template <class Key>
typename boost::enable_if_c<detail::are_transparent<Key, H, P>::value,
const_iterator>::type
find(const Key& k) const
{
return table_.find(k);
}
template <class CompatibleKey, class CompatibleHash,
class CompatiblePredicate>
const_iterator find(CompatibleKey const&, CompatibleHash const&,
CompatiblePredicate const&) const;
bool contains(const key_type& k) const
{
return table_.find(k) != this->end();
}
template <class Key>
typename boost::enable_if_c<detail::are_transparent<Key, H, P>::value,
bool>::type
contains(const Key& k) const
{
return table_.find(k) != this->end();
}
size_type count(const key_type&) const;
template <class Key>
typename boost::enable_if_c<detail::are_transparent<Key, H, P>::value,
size_type>::type
count(const Key& k) const
{
return table_.group_count(k);
}
std::pair<const_iterator, const_iterator> equal_range(
const key_type&) const;
template <class Key>
typename boost::enable_if_c<detail::are_transparent<Key, H, P>::value,
std::pair<const_iterator, const_iterator> >::type
equal_range(const Key& k) const
{
iterator first = table_.find(k);
iterator last = table_.next_group(k, first);
return std::make_pair(const_iterator(first), const_iterator(last));
}
// bucket interface
size_type bucket_count() const BOOST_NOEXCEPT
{
return table_.bucket_count();
}
size_type max_bucket_count() const BOOST_NOEXCEPT
{
return table_.max_bucket_count();
}
size_type bucket_size(size_type) const;
size_type bucket(const key_type& k) const
{
return table_.hash_to_bucket(table_.hash(k));
}
template <class Key>
typename boost::enable_if_c<detail::are_transparent<Key, H, P>::value,
size_type>::type
bucket(BOOST_FWD_REF(Key) k) const
{
return table_.hash_to_bucket(table_.hash(boost::forward<Key>(k)));
}
local_iterator begin(size_type n)
{
return local_iterator(table_.begin(n));
}
const_local_iterator begin(size_type n) const
{
return const_local_iterator(table_.begin(n));
}
local_iterator end(size_type) { return local_iterator(); }
const_local_iterator end(size_type) const
{
return const_local_iterator();
}
const_local_iterator cbegin(size_type n) const
{
return const_local_iterator(table_.begin(n));
}
const_local_iterator cend(size_type) const
{
return const_local_iterator();
}
// hash policy
float load_factor() const BOOST_NOEXCEPT;
float max_load_factor() const BOOST_NOEXCEPT { return table_.mlf_; }
void max_load_factor(float) BOOST_NOEXCEPT;
void rehash(size_type);
void reserve(size_type);
#if !BOOST_WORKAROUND(BOOST_BORLANDC, < 0x0582)
friend bool operator==
<T, H, P, A>(unordered_multiset const&, unordered_multiset const&);
friend bool operator!=
<T, H, P, A>(unordered_multiset const&, unordered_multiset const&);
#endif
}; // class template unordered_multiset
#if BOOST_UNORDERED_TEMPLATE_DEDUCTION_GUIDES
template <class InputIterator,
class Hash =
boost::hash<typename std::iterator_traits<InputIterator>::value_type>,
class Pred =
std::equal_to<typename std::iterator_traits<InputIterator>::value_type>,
class Allocator = std::allocator<
typename std::iterator_traits<InputIterator>::value_type>,
class = boost::enable_if_t<detail::is_input_iterator_v<InputIterator> >,
class = boost::enable_if_t<detail::is_hash_v<Hash> >,
class = boost::enable_if_t<detail::is_pred_v<Pred> >,
class = boost::enable_if_t<detail::is_allocator_v<Allocator> > >
unordered_multiset(InputIterator, InputIterator,
std::size_t = boost::unordered::detail::default_bucket_count,
Hash = Hash(), Pred = Pred(), Allocator = Allocator())
-> unordered_multiset<
typename std::iterator_traits<InputIterator>::value_type, Hash, Pred,
Allocator>;
template <class T, class Hash = boost::hash<T>,
class Pred = std::equal_to<T>, class Allocator = std::allocator<T>,
class = boost::enable_if_t<detail::is_hash_v<Hash> >,
class = boost::enable_if_t<detail::is_pred_v<Pred> >,
class = boost::enable_if_t<detail::is_allocator_v<Allocator> > >
unordered_multiset(std::initializer_list<T>,
std::size_t = boost::unordered::detail::default_bucket_count,
Hash = Hash(), Pred = Pred(), Allocator = Allocator())
-> unordered_multiset<T, Hash, Pred, Allocator>;
template <class InputIterator, class Allocator,
class = boost::enable_if_t<detail::is_input_iterator_v<InputIterator> >,
class = boost::enable_if_t<detail::is_allocator_v<Allocator> > >
unordered_multiset(InputIterator, InputIterator, std::size_t, Allocator)
-> unordered_multiset<
typename std::iterator_traits<InputIterator>::value_type,
boost::hash<typename std::iterator_traits<InputIterator>::value_type>,
std::equal_to<typename std::iterator_traits<InputIterator>::value_type>,
Allocator>;
template <class InputIterator, class Hash, class Allocator,
class = boost::enable_if_t<detail::is_hash_v<Hash> >,
class = boost::enable_if_t<detail::is_input_iterator_v<InputIterator> >,
class = boost::enable_if_t<detail::is_allocator_v<Allocator> > >
unordered_multiset(
InputIterator, InputIterator, std::size_t, Hash, Allocator)
-> unordered_multiset<
typename std::iterator_traits<InputIterator>::value_type, Hash,
std::equal_to<typename std::iterator_traits<InputIterator>::value_type>,
Allocator>;
template <class T, class Allocator,
class = boost::enable_if_t<detail::is_allocator_v<Allocator> > >
unordered_multiset(std::initializer_list<T>, std::size_t, Allocator)
-> unordered_multiset<T, boost::hash<T>, std::equal_to<T>, Allocator>;
template <class T, class Hash, class Allocator,
class = boost::enable_if_t<detail::is_hash_v<Hash> >,
class = boost::enable_if_t<detail::is_allocator_v<Allocator> > >
unordered_multiset(std::initializer_list<T>, std::size_t, Hash, Allocator)
-> unordered_multiset<T, Hash, std::equal_to<T>, Allocator>;
template <class InputIterator, class Allocator,
class = boost::enable_if_t<detail::is_input_iterator_v<InputIterator> >,
class = boost::enable_if_t<detail::is_allocator_v<Allocator> > >
unordered_multiset(InputIterator, InputIterator, Allocator)
-> unordered_multiset<
typename std::iterator_traits<InputIterator>::value_type,
boost::hash<typename std::iterator_traits<InputIterator>::value_type>,
std::equal_to<typename std::iterator_traits<InputIterator>::value_type>,
Allocator>;
template <class T, class Allocator,
class = boost::enable_if_t<detail::is_allocator_v<Allocator> > >
unordered_multiset(std::initializer_list<T>, Allocator)
-> unordered_multiset<T, boost::hash<T>, std::equal_to<T>, Allocator>;
#endif
////////////////////////////////////////////////////////////////////////////
template <class T, class H, class P, class A>
unordered_set<T, H, P, A>::unordered_set()
{
}
template <class T, class H, class P, class A>
unordered_set<T, H, P, A>::unordered_set(size_type n, const hasher& hf,
const key_equal& eql, const allocator_type& a)
: table_(n, hf, eql, a)
{
}
template <class T, class H, class P, class A>
template <class InputIt>
unordered_set<T, H, P, A>::unordered_set(InputIt f, InputIt l, size_type n,
const hasher& hf, const key_equal& eql, const allocator_type& a)
: table_(boost::unordered::detail::initial_size(f, l, n), hf, eql, a)
{
this->insert(f, l);
}
template <class T, class H, class P, class A>
unordered_set<T, H, P, A>::unordered_set(unordered_set const& other)
: table_(other.table_,
unordered_set::value_allocator_traits::
select_on_container_copy_construction(other.get_allocator()))
{
if (other.size()) {
table_.copy_buckets(
other.table_, boost::unordered::detail::true_type());
}
}
template <class T, class H, class P, class A>
unordered_set<T, H, P, A>::unordered_set(allocator_type const& a)
: table_(boost::unordered::detail::default_bucket_count, hasher(),
key_equal(), a)
{
}
template <class T, class H, class P, class A>
unordered_set<T, H, P, A>::unordered_set(
unordered_set const& other, allocator_type const& a)
: table_(other.table_, a)
{
if (other.table_.size_) {
table_.copy_buckets(
other.table_, boost::unordered::detail::true_type());
}
}
template <class T, class H, class P, class A>
unordered_set<T, H, P, A>::unordered_set(
BOOST_RV_REF(unordered_set) other, allocator_type const& a)
: table_(other.table_, a, boost::unordered::detail::move_tag())
{
table_.move_construct_buckets(other.table_);
}
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
template <class T, class H, class P, class A>
unordered_set<T, H, P, A>::unordered_set(
std::initializer_list<value_type> list, size_type n, const hasher& hf,
const key_equal& eql, const allocator_type& a)
: table_(
boost::unordered::detail::initial_size(list.begin(), list.end(), n),
hf, eql, a)
{
this->insert(list.begin(), list.end());
}
#endif
template <class T, class H, class P, class A>
unordered_set<T, H, P, A>::unordered_set(
size_type n, const allocator_type& a)
: table_(n, hasher(), key_equal(), a)
{
}
template <class T, class H, class P, class A>
unordered_set<T, H, P, A>::unordered_set(
size_type n, const hasher& hf, const allocator_type& a)
: table_(n, hf, key_equal(), a)
{
}
template <class T, class H, class P, class A>
template <class InputIterator>
unordered_set<T, H, P, A>::unordered_set(
InputIterator f, InputIterator l, const allocator_type& a)
: table_(boost::unordered::detail::initial_size(
f, l, detail::default_bucket_count),
hasher(), key_equal(), a)
{
this->insert(f, l);
}
template <class T, class H, class P, class A>
template <class InputIt>
unordered_set<T, H, P, A>::unordered_set(
InputIt f, InputIt l, size_type n, const allocator_type& a)
: table_(boost::unordered::detail::initial_size(f, l, n), hasher(),
key_equal(), a)
{
this->insert(f, l);
}
template <class T, class H, class P, class A>
template <class InputIt>
unordered_set<T, H, P, A>::unordered_set(InputIt f, InputIt l, size_type n,
const hasher& hf, const allocator_type& a)
: table_(
boost::unordered::detail::initial_size(f, l, n), hf, key_equal(), a)
{
this->insert(f, l);
}
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
template <class T, class H, class P, class A>
unordered_set<T, H, P, A>::unordered_set(
std::initializer_list<value_type> list, const allocator_type& a)
: table_(boost::unordered::detail::initial_size(
list.begin(), list.end(), detail::default_bucket_count),
hasher(), key_equal(), a)
{
this->insert(list.begin(), list.end());
}
template <class T, class H, class P, class A>
unordered_set<T, H, P, A>::unordered_set(
std::initializer_list<value_type> list, size_type n,
const allocator_type& a)
: table_(
boost::unordered::detail::initial_size(list.begin(), list.end(), n),
hasher(), key_equal(), a)
{
this->insert(list.begin(), list.end());
}
template <class T, class H, class P, class A>
unordered_set<T, H, P, A>::unordered_set(
std::initializer_list<value_type> list, size_type n, const hasher& hf,
const allocator_type& a)
: table_(
boost::unordered::detail::initial_size(list.begin(), list.end(), n),
hf, key_equal(), a)
{
this->insert(list.begin(), list.end());
}
#endif
template <class T, class H, class P, class A>
unordered_set<T, H, P, A>::~unordered_set() BOOST_NOEXCEPT
{
}
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
template <class T, class H, class P, class A>
unordered_set<T, H, P, A>& unordered_set<T, H, P, A>::operator=(
std::initializer_list<value_type> list)
{
this->clear();
this->insert(list.begin(), list.end());
return *this;
}
#endif
// size and capacity
template <class T, class H, class P, class A>
std::size_t unordered_set<T, H, P, A>::max_size() const BOOST_NOEXCEPT
{
using namespace std;
// size < mlf_ * count
return boost::unordered::detail::double_to_size(
ceil(static_cast<double>(table_.mlf_) *
static_cast<double>(table_.max_bucket_count()))) -
1;
}
// modifiers
template <class T, class H, class P, class A>
template <class InputIt>
void unordered_set<T, H, P, A>::insert(InputIt first, InputIt last)
{
if (first != last) {
table_.insert_range_unique(
table::extractor::extract(*first), first, last);
}
}
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
template <class T, class H, class P, class A>
void unordered_set<T, H, P, A>::insert(
std::initializer_list<value_type> list)
{
this->insert(list.begin(), list.end());
}
#endif
template <class T, class H, class P, class A>
typename unordered_set<T, H, P, A>::iterator
unordered_set<T, H, P, A>::erase(const_iterator position)
{
return table_.erase_node(position);
}
template <class T, class H, class P, class A>
typename unordered_set<T, H, P, A>::size_type
unordered_set<T, H, P, A>::erase(const key_type& k)
{
return table_.erase_key_unique_impl(k);
}
template <class T, class H, class P, class A>
typename unordered_set<T, H, P, A>::iterator
unordered_set<T, H, P, A>::erase(const_iterator first, const_iterator last)
{
return table_.erase_nodes_range(first, last);
}
template <class T, class H, class P, class A>
void unordered_set<T, H, P, A>::swap(unordered_set& other)
BOOST_NOEXCEPT_IF(value_allocator_traits::is_always_equal::value&&
boost::is_nothrow_swappable<H>::value&&
boost::is_nothrow_swappable<P>::value)
{
table_.swap(other.table_);
}
// observers
template <class T, class H, class P, class A>
typename unordered_set<T, H, P, A>::hasher
unordered_set<T, H, P, A>::hash_function() const
{
return table_.hash_function();
}
template <class T, class H, class P, class A>
typename unordered_set<T, H, P, A>::key_equal
unordered_set<T, H, P, A>::key_eq() const
{
return table_.key_eq();
}
template <class T, class H, class P, class A>
template <typename H2, typename P2>
void unordered_set<T, H, P, A>::merge(
boost::unordered_set<T, H2, P2, A>& source)
{
table_.merge_unique(source.table_);
}
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
template <class T, class H, class P, class A>
template <typename H2, typename P2>
void unordered_set<T, H, P, A>::merge(
boost::unordered_set<T, H2, P2, A>&& source)
{
table_.merge_unique(source.table_);
}
#endif
template <class T, class H, class P, class A>
template <typename H2, typename P2>
void unordered_set<T, H, P, A>::merge(
boost::unordered_multiset<T, H2, P2, A>& source)
{
table_.merge_unique(source.table_);
}
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
template <class T, class H, class P, class A>
template <typename H2, typename P2>
void unordered_set<T, H, P, A>::merge(
boost::unordered_multiset<T, H2, P2, A>&& source)
{
table_.merge_unique(source.table_);
}
#endif
// lookup
template <class T, class H, class P, class A>
typename unordered_set<T, H, P, A>::const_iterator
unordered_set<T, H, P, A>::find(const key_type& k) const
{
return const_iterator(table_.find(k));
}
template <class T, class H, class P, class A>
template <class CompatibleKey, class CompatibleHash,
class CompatiblePredicate>
typename unordered_set<T, H, P, A>::const_iterator
unordered_set<T, H, P, A>::find(CompatibleKey const& k,
CompatibleHash const& hash, CompatiblePredicate const& eq) const
{
return table_.transparent_find(k, hash, eq);
}
template <class T, class H, class P, class A>
typename unordered_set<T, H, P, A>::size_type
unordered_set<T, H, P, A>::count(const key_type& k) const
{
return table_.find_node(k) ? 1 : 0;
}
template <class T, class H, class P, class A>
std::pair<typename unordered_set<T, H, P, A>::const_iterator,
typename unordered_set<T, H, P, A>::const_iterator>
unordered_set<T, H, P, A>::equal_range(const key_type& k) const
{
iterator first = table_.find(k);
iterator second = first;
if (second != this->end()) {
++second;
}
return std::make_pair(first, second);
}
template <class T, class H, class P, class A>
typename unordered_set<T, H, P, A>::size_type
unordered_set<T, H, P, A>::bucket_size(size_type n) const
{
return table_.bucket_size(n);
}
// hash policy
template <class T, class H, class P, class A>
float unordered_set<T, H, P, A>::load_factor() const BOOST_NOEXCEPT
{
if (table_.size_ == 0) {
return 0.0f;
}
BOOST_ASSERT(table_.bucket_count() != 0);
return static_cast<float>(table_.size_) /
static_cast<float>(table_.bucket_count());
}
template <class T, class H, class P, class A>
void unordered_set<T, H, P, A>::max_load_factor(float m) BOOST_NOEXCEPT
{
table_.max_load_factor(m);
}
template <class T, class H, class P, class A>
void unordered_set<T, H, P, A>::rehash(size_type n)
{
table_.rehash(n);
}
template <class T, class H, class P, class A>
void unordered_set<T, H, P, A>::reserve(size_type n)
{
table_.reserve(n);
}
template <class T, class H, class P, class A>
inline bool operator==(
unordered_set<T, H, P, A> const& m1, unordered_set<T, H, P, A> const& m2)
{
#if BOOST_WORKAROUND(BOOST_CODEGEARC, BOOST_TESTED_AT(0x0613))
struct dummy
{
unordered_set<T, H, P, A> x;
};
#endif
return m1.table_.equals_unique(m2.table_);
}
template <class T, class H, class P, class A>
inline bool operator!=(
unordered_set<T, H, P, A> const& m1, unordered_set<T, H, P, A> const& m2)
{
#if BOOST_WORKAROUND(BOOST_CODEGEARC, BOOST_TESTED_AT(0x0613))
struct dummy
{
unordered_set<T, H, P, A> x;
};
#endif
return !m1.table_.equals_unique(m2.table_);
}
template <class T, class H, class P, class A>
inline void swap(
unordered_set<T, H, P, A>& m1, unordered_set<T, H, P, A>& m2)
BOOST_NOEXCEPT_IF(BOOST_NOEXCEPT_EXPR(m1.swap(m2)))
{
#if BOOST_WORKAROUND(BOOST_CODEGEARC, BOOST_TESTED_AT(0x0613))
struct dummy
{
unordered_set<T, H, P, A> x;
};
#endif
m1.swap(m2);
}
template <class K, class H, class P, class A, class Predicate>
typename unordered_set<K, H, P, A>::size_type erase_if(
unordered_set<K, H, P, A>& c, Predicate pred)
{
return detail::erase_if(c, pred);
}
////////////////////////////////////////////////////////////////////////////
template <class T, class H, class P, class A>
unordered_multiset<T, H, P, A>::unordered_multiset()
{
}
template <class T, class H, class P, class A>
unordered_multiset<T, H, P, A>::unordered_multiset(size_type n,
const hasher& hf, const key_equal& eql, const allocator_type& a)
: table_(n, hf, eql, a)
{
}
template <class T, class H, class P, class A>
template <class InputIt>
unordered_multiset<T, H, P, A>::unordered_multiset(InputIt f, InputIt l,
size_type n, const hasher& hf, const key_equal& eql,
const allocator_type& a)
: table_(boost::unordered::detail::initial_size(f, l, n), hf, eql, a)
{
this->insert(f, l);
}
template <class T, class H, class P, class A>
unordered_multiset<T, H, P, A>::unordered_multiset(
unordered_multiset const& other)
: table_(other.table_,
unordered_multiset::value_allocator_traits::
select_on_container_copy_construction(other.get_allocator()))
{
if (other.table_.size_) {
table_.copy_buckets(
other.table_, boost::unordered::detail::false_type());
}
}
template <class T, class H, class P, class A>
unordered_multiset<T, H, P, A>::unordered_multiset(allocator_type const& a)
: table_(boost::unordered::detail::default_bucket_count, hasher(),
key_equal(), a)
{
}
template <class T, class H, class P, class A>
unordered_multiset<T, H, P, A>::unordered_multiset(
unordered_multiset const& other, allocator_type const& a)
: table_(other.table_, a)
{
if (other.table_.size_) {
table_.copy_buckets(
other.table_, boost::unordered::detail::false_type());
}
}
template <class T, class H, class P, class A>
unordered_multiset<T, H, P, A>::unordered_multiset(
BOOST_RV_REF(unordered_multiset) other, allocator_type const& a)
: table_(other.table_, a, boost::unordered::detail::move_tag())
{
table_.move_construct_buckets(other.table_);
}
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
template <class T, class H, class P, class A>
unordered_multiset<T, H, P, A>::unordered_multiset(
std::initializer_list<value_type> list, size_type n, const hasher& hf,
const key_equal& eql, const allocator_type& a)
: table_(
boost::unordered::detail::initial_size(list.begin(), list.end(), n),
hf, eql, a)
{
this->insert(list.begin(), list.end());
}
#endif
template <class T, class H, class P, class A>
unordered_multiset<T, H, P, A>::unordered_multiset(
size_type n, const allocator_type& a)
: table_(n, hasher(), key_equal(), a)
{
}
template <class T, class H, class P, class A>
unordered_multiset<T, H, P, A>::unordered_multiset(
size_type n, const hasher& hf, const allocator_type& a)
: table_(n, hf, key_equal(), a)
{
}
template <class T, class H, class P, class A>
template <class InputIterator>
unordered_multiset<T, H, P, A>::unordered_multiset(
InputIterator f, InputIterator l, const allocator_type& a)
: table_(boost::unordered::detail::initial_size(
f, l, detail::default_bucket_count),
hasher(), key_equal(), a)
{
this->insert(f, l);
}
template <class T, class H, class P, class A>
template <class InputIt>
unordered_multiset<T, H, P, A>::unordered_multiset(
InputIt f, InputIt l, size_type n, const allocator_type& a)
: table_(boost::unordered::detail::initial_size(f, l, n), hasher(),
key_equal(), a)
{
this->insert(f, l);
}
template <class T, class H, class P, class A>
template <class InputIt>
unordered_multiset<T, H, P, A>::unordered_multiset(InputIt f, InputIt l,
size_type n, const hasher& hf, const allocator_type& a)
: table_(
boost::unordered::detail::initial_size(f, l, n), hf, key_equal(), a)
{
this->insert(f, l);
}
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
template <class T, class H, class P, class A>
unordered_multiset<T, H, P, A>::unordered_multiset(
std::initializer_list<value_type> list, const allocator_type& a)
: table_(boost::unordered::detail::initial_size(
list.begin(), list.end(), detail::default_bucket_count),
hasher(), key_equal(), a)
{
this->insert(list.begin(), list.end());
}
template <class T, class H, class P, class A>
unordered_multiset<T, H, P, A>::unordered_multiset(
std::initializer_list<value_type> list, size_type n,
const allocator_type& a)
: table_(
boost::unordered::detail::initial_size(list.begin(), list.end(), n),
hasher(), key_equal(), a)
{
this->insert(list.begin(), list.end());
}
template <class T, class H, class P, class A>
unordered_multiset<T, H, P, A>::unordered_multiset(
std::initializer_list<value_type> list, size_type n, const hasher& hf,
const allocator_type& a)
: table_(
boost::unordered::detail::initial_size(list.begin(), list.end(), n),
hf, key_equal(), a)
{
this->insert(list.begin(), list.end());
}
#endif
template <class T, class H, class P, class A>
unordered_multiset<T, H, P, A>::~unordered_multiset() BOOST_NOEXCEPT
{
}
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
template <class T, class H, class P, class A>
unordered_multiset<T, H, P, A>& unordered_multiset<T, H, P, A>::operator=(
std::initializer_list<value_type> list)
{
this->clear();
this->insert(list.begin(), list.end());
return *this;
}
#endif
// size and capacity
template <class T, class H, class P, class A>
std::size_t unordered_multiset<T, H, P, A>::max_size() const BOOST_NOEXCEPT
{
using namespace std;
// size < mlf_ * count
return boost::unordered::detail::double_to_size(
ceil(static_cast<double>(table_.mlf_) *
static_cast<double>(table_.max_bucket_count()))) -
1;
}
// modifiers
template <class T, class H, class P, class A>
template <class InputIt>
void unordered_multiset<T, H, P, A>::insert(InputIt first, InputIt last)
{
table_.insert_range_equiv(first, last);
}
#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
template <class T, class H, class P, class A>
void unordered_multiset<T, H, P, A>::insert(
std::initializer_list<value_type> list)
{
this->insert(list.begin(), list.end());
}
#endif
template <class T, class H, class P, class A>
typename unordered_multiset<T, H, P, A>::iterator
unordered_multiset<T, H, P, A>::erase(const_iterator position)
{
BOOST_ASSERT(position != this->end());
return table_.erase_node(position);
}
template <class T, class H, class P, class A>
typename unordered_multiset<T, H, P, A>::size_type
unordered_multiset<T, H, P, A>::erase(const key_type& k)
{
return table_.erase_key_equiv(k);
}
template <class T, class H, class P, class A>
typename unordered_multiset<T, H, P, A>::iterator
unordered_multiset<T, H, P, A>::erase(
const_iterator first, const_iterator last)
{
return table_.erase_nodes_range(first, last);
}
template <class T, class H, class P, class A>
void unordered_multiset<T, H, P, A>::swap(unordered_multiset& other)
BOOST_NOEXCEPT_IF(value_allocator_traits::is_always_equal::value&&
boost::is_nothrow_swappable<H>::value&&
boost::is_nothrow_swappable<P>::value)
{
table_.swap(other.table_);
}
// observers
template <class T, class H, class P, class A>
typename unordered_multiset<T, H, P, A>::hasher
unordered_multiset<T, H, P, A>::hash_function() const
{
return table_.hash_function();
}
template <class T, class H, class P, class A>
typename unordered_multiset<T, H, P, A>::key_equal
unordered_multiset<T, H, P, A>::key_eq() const
{
return table_.key_eq();
}
template <class T, class H, class P, class A>
template <typename H2, typename P2>
void unordered_multiset<T, H, P, A>::merge(
boost::unordered_multiset<T, H2, P2, A>& source)
{
while (!source.empty()) {
insert(source.extract(source.begin()));
}
}
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
template <class T, class H, class P, class A>
template <typename H2, typename P2>
void unordered_multiset<T, H, P, A>::merge(
boost::unordered_multiset<T, H2, P2, A>&& source)
{
while (!source.empty()) {
insert(source.extract(source.begin()));
}
}
#endif
template <class T, class H, class P, class A>
template <typename H2, typename P2>
void unordered_multiset<T, H, P, A>::merge(
boost::unordered_set<T, H2, P2, A>& source)
{
while (!source.empty()) {
insert(source.extract(source.begin()));
}
}
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
template <class T, class H, class P, class A>
template <typename H2, typename P2>
void unordered_multiset<T, H, P, A>::merge(
boost::unordered_set<T, H2, P2, A>&& source)
{
while (!source.empty()) {
insert(source.extract(source.begin()));
}
}
#endif
// lookup
template <class T, class H, class P, class A>
typename unordered_multiset<T, H, P, A>::const_iterator
unordered_multiset<T, H, P, A>::find(const key_type& k) const
{
return const_iterator(table_.find(k));
}
template <class T, class H, class P, class A>
template <class CompatibleKey, class CompatibleHash,
class CompatiblePredicate>
typename unordered_multiset<T, H, P, A>::const_iterator
unordered_multiset<T, H, P, A>::find(CompatibleKey const& k,
CompatibleHash const& hash, CompatiblePredicate const& eq) const
{
return table_.transparent_find(k, hash, eq);
}
template <class T, class H, class P, class A>
typename unordered_multiset<T, H, P, A>::size_type
unordered_multiset<T, H, P, A>::count(const key_type& k) const
{
return table_.group_count(k);
}
template <class T, class H, class P, class A>
std::pair<typename unordered_multiset<T, H, P, A>::const_iterator,
typename unordered_multiset<T, H, P, A>::const_iterator>
unordered_multiset<T, H, P, A>::equal_range(const key_type& k) const
{
iterator n = table_.find(k);
return std::make_pair(const_iterator(n),
const_iterator(n == end() ? n : table_.next_group(k, n)));
}
template <class T, class H, class P, class A>
typename unordered_multiset<T, H, P, A>::size_type
unordered_multiset<T, H, P, A>::bucket_size(size_type n) const
{
return table_.bucket_size(n);
}
// hash policy
template <class T, class H, class P, class A>
float unordered_multiset<T, H, P, A>::load_factor() const BOOST_NOEXCEPT
{
if (table_.size_ == 0) {
return 0.0f;
}
BOOST_ASSERT(table_.bucket_count() != 0);
return static_cast<float>(table_.size_) /
static_cast<float>(table_.bucket_count());
}
template <class T, class H, class P, class A>
void unordered_multiset<T, H, P, A>::max_load_factor(float m) BOOST_NOEXCEPT
{
table_.max_load_factor(m);
}
template <class T, class H, class P, class A>
void unordered_multiset<T, H, P, A>::rehash(size_type n)
{
table_.rehash(n);
}
template <class T, class H, class P, class A>
void unordered_multiset<T, H, P, A>::reserve(size_type n)
{
table_.reserve(n);
}
template <class T, class H, class P, class A>
inline bool operator==(unordered_multiset<T, H, P, A> const& m1,
unordered_multiset<T, H, P, A> const& m2)
{
#if BOOST_WORKAROUND(BOOST_CODEGEARC, BOOST_TESTED_AT(0x0613))
struct dummy
{
unordered_multiset<T, H, P, A> x;
};
#endif
return m1.table_.equals_equiv(m2.table_);
}
template <class T, class H, class P, class A>
inline bool operator!=(unordered_multiset<T, H, P, A> const& m1,
unordered_multiset<T, H, P, A> const& m2)
{
#if BOOST_WORKAROUND(BOOST_CODEGEARC, BOOST_TESTED_AT(0x0613))
struct dummy
{
unordered_multiset<T, H, P, A> x;
};
#endif
return !m1.table_.equals_equiv(m2.table_);
}
template <class T, class H, class P, class A>
inline void swap(
unordered_multiset<T, H, P, A>& m1, unordered_multiset<T, H, P, A>& m2)
BOOST_NOEXCEPT_IF(BOOST_NOEXCEPT_EXPR(m1.swap(m2)))
{
#if BOOST_WORKAROUND(BOOST_CODEGEARC, BOOST_TESTED_AT(0x0613))
struct dummy
{
unordered_multiset<T, H, P, A> x;
};
#endif
m1.swap(m2);
}
template <class K, class H, class P, class A, class Predicate>
typename unordered_multiset<K, H, P, A>::size_type erase_if(
unordered_multiset<K, H, P, A>& c, Predicate pred)
{
return detail::erase_if(c, pred);
}
template <typename N, typename T, typename A> class node_handle_set
{
BOOST_MOVABLE_BUT_NOT_COPYABLE(node_handle_set)
template <typename Types> friend struct ::boost::unordered::detail::table;
template <class T2, class H2, class P2, class A2>
friend class unordered_set;
template <class T2, class H2, class P2, class A2>
friend class unordered_multiset;
typedef typename boost::unordered::detail::rebind_wrap<A, T>::type
value_allocator;
typedef boost::unordered::detail::allocator_traits<value_allocator>
value_allocator_traits;
typedef N node;
typedef typename boost::unordered::detail::rebind_wrap<A, node>::type
node_allocator;
typedef boost::unordered::detail::allocator_traits<node_allocator>
node_allocator_traits;
typedef typename node_allocator_traits::pointer node_pointer;
public:
typedef T value_type;
typedef A allocator_type;
private:
node_pointer ptr_;
bool has_alloc_;
boost::unordered::detail::optional<value_allocator> alloc_;
node_handle_set(node_pointer ptr, allocator_type const& a)
: ptr_(ptr), alloc_(a)
{
}
public:
BOOST_CONSTEXPR node_handle_set() BOOST_NOEXCEPT : ptr_(),
has_alloc_(false)
{
}
~node_handle_set()
{
if (ptr_) {
node_allocator node_alloc(*alloc_);
boost::unordered::detail::node_tmp<node_allocator> tmp(
ptr_, node_alloc);
}
}
node_handle_set(BOOST_RV_REF(node_handle_set) n) BOOST_NOEXCEPT
: ptr_(n.ptr_),
alloc_(boost::move(n.alloc_))
{
n.ptr_ = node_pointer();
}
node_handle_set& operator=(BOOST_RV_REF(node_handle_set) n)
{
BOOST_ASSERT(!alloc_.has_value() ||
value_allocator_traits::
propagate_on_container_move_assignment::value ||
(n.alloc_.has_value() && alloc_ == n.alloc_));
if (ptr_) {
node_allocator node_alloc(*alloc_);
boost::unordered::detail::node_tmp<node_allocator> tmp(
ptr_, node_alloc);
ptr_ = node_pointer();
}
if (!alloc_.has_value() ||
value_allocator_traits::propagate_on_container_move_assignment::
value) {
alloc_ = boost::move(n.alloc_);
}
ptr_ = n.ptr_;
n.ptr_ = node_pointer();
return *this;
}
value_type& value() const { return ptr_->value(); }
allocator_type get_allocator() const { return *alloc_; }
BOOST_EXPLICIT_OPERATOR_BOOL_NOEXCEPT()
bool operator!() const BOOST_NOEXCEPT { return ptr_ ? 0 : 1; }
BOOST_ATTRIBUTE_NODISCARD bool empty() const BOOST_NOEXCEPT
{
return ptr_ ? 0 : 1;
}
void swap(node_handle_set& n) BOOST_NOEXCEPT_IF(
value_allocator_traits::propagate_on_container_swap::value ||
value_allocator_traits::is_always_equal::value)
{
BOOST_ASSERT(
!alloc_.has_value() || !n.alloc_.has_value() ||
value_allocator_traits::propagate_on_container_swap::value ||
alloc_ == n.alloc_);
if (value_allocator_traits::propagate_on_container_swap::value ||
!alloc_.has_value() || !n.alloc_.has_value()) {
boost::swap(alloc_, n.alloc_);
}
boost::swap(ptr_, n.ptr_);
}
};
template <typename N, typename T, typename A>
void swap(node_handle_set<N, T, A>& x, node_handle_set<N, T, A>& y)
BOOST_NOEXCEPT_IF(BOOST_NOEXCEPT_EXPR(x.swap(y)))
{
x.swap(y);
}
template <class Iter, class NodeType> struct insert_return_type_set
{
private:
BOOST_MOVABLE_BUT_NOT_COPYABLE(insert_return_type_set)
// typedef typename boost::unordered::detail::rebind_wrap<A, T>::type
// value_allocator;
// typedef N node_;
public:
Iter position;
bool inserted;
NodeType node;
insert_return_type_set() : position(), inserted(false), node() {}
insert_return_type_set(BOOST_RV_REF(insert_return_type_set)
x) BOOST_NOEXCEPT : position(x.position),
inserted(x.inserted),
node(boost::move(x.node))
{
}
insert_return_type_set& operator=(BOOST_RV_REF(insert_return_type_set) x)
{
inserted = x.inserted;
position = x.position;
node = boost::move(x.node);
return *this;
}
};
template <class Iter, class NodeType>
void swap(
insert_return_type_set<Iter, NodeType>& x, insert_return_type_set<Iter, NodeType>& y)
{
boost::swap(x.node, y.node);
boost::swap(x.inserted, y.inserted);
boost::swap(x.position, y.position);
}
} // namespace unordered
} // namespace boost
#if defined(BOOST_MSVC)
#pragma warning(pop)
#endif
#endif // BOOST_UNORDERED_UNORDERED_SET_HPP_INCLUDED
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