summaryrefslogtreecommitdiff
path: root/boost/container/set.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'boost/container/set.hpp')
-rw-r--r--boost/container/set.hpp560
1 files changed, 296 insertions, 264 deletions
diff --git a/boost/container/set.hpp b/boost/container/set.hpp
index b25e7013fc..09ada20033 100644
--- a/boost/container/set.hpp
+++ b/boost/container/set.hpp
@@ -1,6 +1,6 @@
//////////////////////////////////////////////////////////////////////////////
//
-// (C) Copyright Ion Gaztanaga 2005-2011. Distributed under the Boost
+// (C) Copyright Ion Gaztanaga 2005-2012. 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)
//
@@ -42,32 +42,32 @@ namespace container {
/// @cond
// Forward declarations of operators < and ==, needed for friend declaration.
template <class T, class Pred, class A>
-inline bool operator==(const set<T,Pred,A>& x,
+inline bool operator==(const set<T,Pred,A>& x,
const set<T,Pred,A>& y);
template <class T, class Pred, class A>
-inline bool operator<(const set<T,Pred,A>& x,
+inline bool operator<(const set<T,Pred,A>& x,
const set<T,Pred,A>& 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
+//! 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.
#ifdef BOOST_CONTAINER_DOXYGEN_INVOKED
template <class T, class Pred = std::less<T>, class A = std::allocator<T> >
#else
template <class T, class Pred, class A>
#endif
-class set
+class set
{
/// @cond
private:
BOOST_COPYABLE_AND_MOVABLE(set)
- typedef container_detail::rbtree<T, T,
+ typedef container_detail::rbtree<T, T,
container_detail::identity<T>, Pred, A> tree_t;
tree_t m_tree; // red-black tree representing set
typedef typename container_detail::
@@ -95,225 +95,240 @@ class set
typedef typename tree_t::stored_allocator_type stored_allocator_type;
//! <b>Effects</b>: Default constructs an empty set.
- //!
+ //!
//! <b>Complexity</b>: Constant.
set()
: m_tree()
{}
- //! <b>Effects</b>: Constructs an empty set using the specified comparison object
+ //! <b>Effects</b>: Constructs an empty set using the specified comparison object
//! and allocator.
- //!
+ //!
//! <b>Complexity</b>: Constant.
explicit set(const Pred& comp,
const allocator_type& a = allocator_type())
: m_tree(comp, a)
{}
- //! <b>Effects</b>: Constructs an empty set using the specified comparison object and
+ //! <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
+ //!
+ //! <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)
+ : m_tree(first, last, comp, a, true)
{}
- //! <b>Effects</b>: Constructs an empty set using the specified comparison object and
+ //! <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)
+ : 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)
+ 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>Complexity</b>: Constant.
+ //!
//! <b>Postcondition</b>: x is emptied.
- set(BOOST_RV_REF(set) x)
+ set(BOOST_RV_REF(set) x)
: m_tree(boost::move(x.m_tree))
{}
+ //! <b>Effects</b>: Copy constructs a set using the specified allocator.
+ //!
+ //! <b>Complexity</b>: Linear in x.size().
+ set(const set& x, const allocator_type &a)
+ : m_tree(x.m_tree, a)
+ {}
+
+ //! <b>Effects</b>: Move constructs a set using the specified allocator.
+ //! Constructs *this using x's resources.
+ //!
+ //! <b>Complexity</b>: Constant if a == x.get_allocator(), linear otherwise.
+ set(BOOST_RV_REF(set) x, const allocator_type &a)
+ : m_tree(boost::move(x.m_tree), a)
+ {}
+
//! <b>Effects</b>: Makes *this a copy of x.
- //!
+ //!
//! <b>Complexity</b>: Linear in x.size().
set& operator=(BOOST_COPY_ASSIGN_REF(set) x)
{ m_tree = x.m_tree; return *this; }
//! <b>Effects</b>: this->swap(x.get()).
- //!
+ //!
//! <b>Complexity</b>: Constant.
set& operator=(BOOST_RV_REF(set) x)
{ m_tree = boost::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
+ 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
+ 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
+ allocator_type get_allocator() const
{ return m_tree.get_allocator(); }
- const stored_allocator_type &get_stored_allocator() const
+ 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()
+ 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
+ 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()
+ 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
+ const_iterator end() const
{ return m_tree.end(); }
- //! <b>Effects</b>: Returns a reverse_iterator pointing to the beginning
- //! of the reversed container.
- //!
+ //! <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(); }
+ reverse_iterator rbegin()
+ { return m_tree.rbegin(); }
- //! <b>Effects</b>: Returns a const_reverse_iterator pointing to the beginning
- //! of the reversed container.
- //!
+ //! <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(); }
+ const_reverse_iterator rbegin() const
+ { return m_tree.rbegin(); }
//! <b>Effects</b>: Returns a reverse_iterator pointing to the end
- //! of the reversed container.
- //!
+ //! of the reversed container.
+ //!
//! <b>Throws</b>: Nothing.
- //!
+ //!
//! <b>Complexity</b>: Constant.
- reverse_iterator rend()
+ reverse_iterator rend()
{ return m_tree.rend(); }
//! <b>Effects</b>: Returns a const_reverse_iterator pointing to the end
- //! of the reversed container.
- //!
+ //! of the reversed container.
+ //!
//! <b>Throws</b>: Nothing.
- //!
+ //!
//! <b>Complexity</b>: Constant.
- const_reverse_iterator rend() const
+ 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
+ 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
+ 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>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(); }
+ 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.
- //!
+ //! of the reversed container.
+ //!
//! <b>Throws</b>: Nothing.
- //!
+ //!
//! <b>Complexity</b>: Constant.
- const_reverse_iterator crend() const
+ 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
+ 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
+ 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
+ size_type max_size() const
{ return m_tree.max_size(); }
//! <b>Effects</b>: Swaps the contents of *this and x.
@@ -324,15 +339,15 @@ class set
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
+ //! <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
+ //! <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)
+ std::pair<iterator,bool> insert(insert_const_ref_type x)
{ return priv_insert(x); }
#if defined(BOOST_NO_RVALUE_REFERENCES) && !defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
@@ -345,18 +360,18 @@ class set
{ return priv_insert(u); }
#endif
- //! <b>Effects</b>: Move constructs a new value from x if and only if there is
+ //! <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
+ //! <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_RV_REF(value_type) x)
+ std::pair<iterator,bool> insert(BOOST_RV_REF(value_type) x)
{ return m_tree.insert_unique(boost::move(x)); }
- //! <b>Effects</b>: Inserts a copy of x in the container if and only if there is
+ //! <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.
//!
@@ -365,7 +380,7 @@ class set
//!
//! <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)
+ iterator insert(const_iterator p, insert_const_ref_type x)
{ return priv_insert(p, x); }
#if defined(BOOST_NO_RVALUE_REFERENCES) && !defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
@@ -384,28 +399,28 @@ class set
//! <b>Returns</b>: An iterator pointing to the element with key equivalent to the key of x.
//!
//! <b>Complexity</b>: Logarithmic.
- iterator insert(const_iterator p, BOOST_RV_REF(value_type) x)
+ iterator insert(const_iterator p, BOOST_RV_REF(value_type) x)
{ return m_tree.insert_unique(p, boost::move(x)); }
//! <b>Requires</b>: first, last are not iterators into *this.
//!
- //! <b>Effects</b>: inserts each element from the range [first,last) if and only
+ //! <b>Effects</b>: inserts each element from the range [first,last) if and only
//! if there is no element with key equivalent to the key of that element.
//!
//! <b>Complexity</b>: At most N log(size()+N) (N is the distance from first to last)
template <class InputIterator>
- void insert(InputIterator first, InputIterator last)
+ void insert(InputIterator first, InputIterator last)
{ m_tree.insert_unique(first, last); }
#if defined(BOOST_CONTAINER_PERFECT_FORWARDING) || defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
//! <b>Effects</b>: Inserts an object x of type T constructed with
- //! std::forward<Args>(args)... if and only if there is
+ //! std::forward<Args>(args)... if and only if there is
//! no element in the container with equivalent value.
//! and returns the iterator pointing to the
//! newly inserted element.
//!
- //! <b>Returns</b>: The bool component of the returned pair is true if and only
+ //! <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.
//!
@@ -418,7 +433,7 @@ class set
{ return m_tree.emplace_unique(boost::forward<Args>(args)...); }
//! <b>Effects</b>: Inserts an object of type T constructed with
- //! std::forward<Args>(args)... if and only if there is
+ //! 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.
@@ -451,11 +466,11 @@ class set
//! <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,
+ //! 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)
+ iterator erase(const_iterator p)
{ return m_tree.erase(p); }
//! <b>Effects</b>: Erases all elements in the container with key equivalent to x.
@@ -463,7 +478,7 @@ class set
//! <b>Returns</b>: Returns the number of erased elements.
//!
//! <b>Complexity</b>: log(size()) + count(k)
- size_type erase(const key_type& x)
+ size_type erase(const key_type& x)
{ return m_tree.erase(x); }
//! <b>Effects</b>: Erases all the elements in the range [first, last).
@@ -471,7 +486,7 @@ class set
//! <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)
+ iterator erase(const_iterator first, const_iterator last)
{ return m_tree.erase(first, last); }
//! <b>Effects</b>: erase(a.begin(),a.end()).
@@ -479,41 +494,41 @@ class set
//! <b>Postcondition</b>: size() == 0.
//!
//! <b>Complexity</b>: linear in size().
- void clear()
+ 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)
+ 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
+ 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
+ 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)
+ 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
+ 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
@@ -527,21 +542,21 @@ class set
//! 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
+ 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)
+ 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
+ std::pair<const_iterator, const_iterator>
+ equal_range(const key_type& x) const
{ return m_tree.equal_range(x); }
/// @cond
@@ -552,47 +567,47 @@ class set
friend bool operator< (const set<K1,C1,A1>&, const set<K1,C1,A1>&);
private:
- std::pair<iterator, bool> priv_insert(const T &x)
+ std::pair<iterator, bool> priv_insert(const T &x)
{ return m_tree.insert_unique(x); }
- iterator priv_insert(const_iterator p, const T &x)
+ iterator priv_insert(const_iterator p, const T &x)
{ return m_tree.insert_unique(p, x); }
/// @endcond
};
template <class T, class Pred, class A>
-inline bool operator==(const set<T,Pred,A>& x,
- const set<T,Pred,A>& y)
+inline bool operator==(const set<T,Pred,A>& x,
+ const set<T,Pred,A>& y)
{ return x.m_tree == y.m_tree; }
template <class T, class Pred, class A>
-inline bool operator<(const set<T,Pred,A>& x,
- const set<T,Pred,A>& y)
+inline bool operator<(const set<T,Pred,A>& x,
+ const set<T,Pred,A>& y)
{ return x.m_tree < y.m_tree; }
template <class T, class Pred, class A>
-inline bool operator!=(const set<T,Pred,A>& x,
- const set<T,Pred,A>& y)
+inline bool operator!=(const set<T,Pred,A>& x,
+ const set<T,Pred,A>& y)
{ return !(x == y); }
template <class T, class Pred, class A>
-inline bool operator>(const set<T,Pred,A>& x,
- const set<T,Pred,A>& y)
+inline bool operator>(const set<T,Pred,A>& x,
+ const set<T,Pred,A>& y)
{ return y < x; }
template <class T, class Pred, class A>
-inline bool operator<=(const set<T,Pred,A>& x,
- const set<T,Pred,A>& y)
+inline bool operator<=(const set<T,Pred,A>& x,
+ const set<T,Pred,A>& y)
{ return !(y < x); }
template <class T, class Pred, class A>
-inline bool operator>=(const set<T,Pred,A>& x,
- const set<T,Pred,A>& y)
+inline bool operator>=(const set<T,Pred,A>& x,
+ const set<T,Pred,A>& y)
{ return !(x < y); }
template <class T, class Pred, class A>
-inline void swap(set<T,Pred,A>& x, set<T,Pred,A>& y)
+inline void swap(set<T,Pred,A>& x, set<T,Pred,A>& y)
{ x.swap(y); }
/// @cond
@@ -612,32 +627,32 @@ namespace container {
// Forward declaration of operators < and ==, needed for friend declaration.
template <class T, class Pred, class A>
-inline bool operator==(const multiset<T,Pred,A>& x,
+inline bool operator==(const multiset<T,Pred,A>& x,
const multiset<T,Pred,A>& y);
template <class T, class Pred, class A>
-inline bool operator<(const multiset<T,Pred,A>& x,
+inline bool operator<(const multiset<T,Pred,A>& x,
const multiset<T,Pred,A>& 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
+//! 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
+//!
+//! 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.
#ifdef BOOST_CONTAINER_DOXYGEN_INVOKED
template <class T, class Pred = std::less<T>, class A = std::allocator<T> >
#else
template <class T, class Pred, class A>
#endif
-class multiset
+class multiset
{
/// @cond
private:
BOOST_COPYABLE_AND_MOVABLE(multiset)
- typedef container_detail::rbtree<T, T,
+ typedef container_detail::rbtree<T, T,
container_detail::identity<T>, Pred, A> tree_t;
tree_t m_tree; // red-black tree representing multiset
typedef typename container_detail::
@@ -666,7 +681,7 @@ class multiset
//! <b>Effects</b>: Constructs an empty multiset using the specified comparison
//! object and allocator.
- //!
+ //!
//! <b>Complexity</b>: Constant.
multiset()
: m_tree()
@@ -674,7 +689,7 @@ class multiset
//! <b>Effects</b>: Constructs an empty multiset using the specified comparison
//! object and allocator.
- //!
+ //!
//! <b>Complexity</b>: Constant.
explicit multiset(const Pred& comp,
const allocator_type& a = allocator_type())
@@ -683,209 +698,226 @@ class multiset
//! <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
+ //!
+ //! <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)
+ : m_tree(first, last, comp, a, false)
{}
- //! <b>Effects</b>: Constructs an empty multiset using the specified comparison object and
+ //! <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)
+ : 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)
+ 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>Complexity</b>: Constant.
+ //!
//! <b>Postcondition</b>: x is emptied.
- multiset(BOOST_RV_REF(multiset) x)
+ multiset(BOOST_RV_REF(multiset) x)
: m_tree(boost::move(x.m_tree))
{}
+ //! <b>Effects</b>: Copy constructs a multiset using the specified allocator.
+ //!
+ //! <b>Complexity</b>: Linear in x.size().
+ multiset(const multiset& x, const allocator_type &a)
+ : m_tree(x.m_tree, a)
+ {}
+
+ //! <b>Effects</b>: Move constructs a multiset using the specified allocator.
+ //! Constructs *this using x's resources.
+ //!
+ //! <b>Complexity</b>: Constant if a == x.get_allocator(), linear otherwise.
+ //!
+ //! <b>Postcondition</b>: x is emptied.
+ multiset(BOOST_RV_REF(multiset) x, const allocator_type &a)
+ : m_tree(boost::move(x.m_tree), a)
+ {}
+
//! <b>Effects</b>: Makes *this a copy of x.
- //!
+ //!
//! <b>Complexity</b>: Linear in x.size().
- multiset& operator=(BOOST_COPY_ASSIGN_REF(multiset) x)
+ multiset& operator=(BOOST_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_RV_REF(multiset) x)
+ multiset& operator=(BOOST_RV_REF(multiset) x)
{ m_tree = boost::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
+ 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
+ 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
+ allocator_type get_allocator() const
{ return m_tree.get_allocator(); }
- const stored_allocator_type &get_stored_allocator() const
+ 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()
+ 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
+ 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()
+ 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
+ const_iterator end() const
{ return m_tree.end(); }
- //! <b>Effects</b>: Returns a reverse_iterator pointing to the beginning
- //! of the reversed container.
- //!
+ //! <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(); }
+ reverse_iterator rbegin()
+ { return m_tree.rbegin(); }
- //! <b>Effects</b>: Returns a const_reverse_iterator pointing to the beginning
- //! of the reversed container.
- //!
+ //! <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(); }
+ const_reverse_iterator rbegin() const
+ { return m_tree.rbegin(); }
//! <b>Effects</b>: Returns a reverse_iterator pointing to the end
- //! of the reversed container.
- //!
+ //! of the reversed container.
+ //!
//! <b>Throws</b>: Nothing.
- //!
+ //!
//! <b>Complexity</b>: Constant.
- reverse_iterator rend()
+ reverse_iterator rend()
{ return m_tree.rend(); }
//! <b>Effects</b>: Returns a const_reverse_iterator pointing to the end
- //! of the reversed container.
- //!
+ //! of the reversed container.
+ //!
//! <b>Throws</b>: Nothing.
- //!
+ //!
//! <b>Complexity</b>: Constant.
- const_reverse_iterator rend() const
+ 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
+ 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
+ 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>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(); }
+ 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.
- //!
+ //! of the reversed container.
+ //!
//! <b>Throws</b>: Nothing.
- //!
+ //!
//! <b>Complexity</b>: Constant.
- const_reverse_iterator crend() const
+ 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
+ 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
+ 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
+ size_type max_size() const
{ return m_tree.max_size(); }
//! <b>Effects</b>: Swaps the contents of *this and x.
@@ -897,10 +929,10 @@ class multiset
{ m_tree.swap(x.m_tree); }
//! <b>Effects</b>: Inserts x and returns the iterator pointing to the
- //! newly inserted element.
+ //! newly inserted element.
//!
//! <b>Complexity</b>: Logarithmic.
- iterator insert(insert_const_ref_type x)
+ iterator insert(insert_const_ref_type x)
{ return priv_insert(x); }
#if defined(BOOST_NO_RVALUE_REFERENCES) && !defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
@@ -920,7 +952,7 @@ class multiset
//!
//! <b>Complexity</b>: Logarithmic in general, but amortized constant if t
//! is inserted right before p.
- iterator insert(BOOST_RV_REF(value_type) x)
+ iterator insert(BOOST_RV_REF(value_type) x)
{ return m_tree.insert_equal(boost::move(x)); }
//! <b>Effects</b>: Inserts a copy of x in the container.
@@ -931,7 +963,7 @@ class multiset
//!
//! <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)
+ iterator insert(const_iterator p, insert_const_ref_type x)
{ return priv_insert(p, x); }
#if defined(BOOST_NO_RVALUE_REFERENCES) && !defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
@@ -952,7 +984,7 @@ class multiset
//!
//! <b>Complexity</b>: Logarithmic in general, but amortized constant if t
//! is inserted right before p.
- iterator insert(const_iterator p, BOOST_RV_REF(value_type) x)
+ iterator insert(const_iterator p, BOOST_RV_REF(value_type) x)
{ return m_tree.insert_equal(p, boost::move(x)); }
//! <b>Requires</b>: first, last are not iterators into *this.
@@ -961,14 +993,14 @@ class multiset
//!
//! <b>Complexity</b>: At most N log(size()+N) (N is the distance from first to last)
template <class InputIterator>
- void insert(InputIterator first, InputIterator last)
+ void insert(InputIterator first, InputIterator last)
{ m_tree.insert_equal(first, last); }
#if defined(BOOST_CONTAINER_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.
+ //! newly inserted element.
//!
//! <b>Complexity</b>: Logarithmic.
template <class... Args>
@@ -1008,11 +1040,11 @@ class multiset
//! <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,
+ //! 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)
+ iterator erase(const_iterator p)
{ return m_tree.erase(p); }
//! <b>Effects</b>: Erases all elements in the container with key equivalent to x.
@@ -1020,7 +1052,7 @@ class multiset
//! <b>Returns</b>: Returns the number of erased elements.
//!
//! <b>Complexity</b>: log(size()) + count(k)
- size_type erase(const key_type& x)
+ size_type erase(const key_type& x)
{ return m_tree.erase(x); }
//! <b>Effects</b>: Erases all the elements in the range [first, last).
@@ -1036,41 +1068,41 @@ class multiset
//! <b>Postcondition</b>: size() == 0.
//!
//! <b>Complexity</b>: linear in size().
- void clear()
+ 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)
+ 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
+ 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
+ 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)
+ 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
+ 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
@@ -1084,21 +1116,21 @@ class multiset
//! 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
+ 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)
+ 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
+ std::pair<const_iterator, const_iterator>
+ equal_range(const key_type& x) const
{ return m_tree.equal_range(x); }
/// @cond
@@ -1109,47 +1141,47 @@ class multiset
friend bool operator< (const multiset<K1,C1,A1>&,
const multiset<K1,C1,A1>&);
private:
- iterator priv_insert(const T &x)
+ iterator priv_insert(const T &x)
{ return m_tree.insert_equal(x); }
- iterator priv_insert(const_iterator p, const T &x)
+ iterator priv_insert(const_iterator p, const T &x)
{ return m_tree.insert_equal(p, x); }
/// @endcond
};
template <class T, class Pred, class A>
-inline bool operator==(const multiset<T,Pred,A>& x,
- const multiset<T,Pred,A>& y)
+inline bool operator==(const multiset<T,Pred,A>& x,
+ const multiset<T,Pred,A>& y)
{ return x.m_tree == y.m_tree; }
template <class T, class Pred, class A>
-inline bool operator<(const multiset<T,Pred,A>& x,
- const multiset<T,Pred,A>& y)
+inline bool operator<(const multiset<T,Pred,A>& x,
+ const multiset<T,Pred,A>& y)
{ return x.m_tree < y.m_tree; }
template <class T, class Pred, class A>
-inline bool operator!=(const multiset<T,Pred,A>& x,
- const multiset<T,Pred,A>& y)
+inline bool operator!=(const multiset<T,Pred,A>& x,
+ const multiset<T,Pred,A>& y)
{ return !(x == y); }
template <class T, class Pred, class A>
-inline bool operator>(const multiset<T,Pred,A>& x,
- const multiset<T,Pred,A>& y)
+inline bool operator>(const multiset<T,Pred,A>& x,
+ const multiset<T,Pred,A>& y)
{ return y < x; }
template <class T, class Pred, class A>
-inline bool operator<=(const multiset<T,Pred,A>& x,
- const multiset<T,Pred,A>& y)
+inline bool operator<=(const multiset<T,Pred,A>& x,
+ const multiset<T,Pred,A>& y)
{ return !(y < x); }
template <class T, class Pred, class A>
-inline bool operator>=(const multiset<T,Pred,A>& x,
- const multiset<T,Pred,A>& y)
+inline bool operator>=(const multiset<T,Pred,A>& x,
+ const multiset<T,Pred,A>& y)
{ return !(x < y); }
template <class T, class Pred, class A>
-inline void swap(multiset<T,Pred,A>& x, multiset<T,Pred,A>& y)
+inline void swap(multiset<T,Pred,A>& x, multiset<T,Pred,A>& y)
{ x.swap(y); }
/// @cond