std::list< _Tp, _Alloc >(3) Library Functions Manual NAME std::list< _Tp, _Alloc > - A standard container with linear time access to elements, and fixed time insertion/deletion at any point in the sequence. SYNOPSIS #include Inherits std::_List_base< _Tp, _Alloc >. Public Types typedef _Alloc allocator_type typedef _List_const_iterator< _Tp > const_iterator typedef _Tp_alloc_traits::const_pointer const_pointer typedef _Tp_alloc_traits::const_reference const_reference typedef std::reverse_iterator< const_iterator > const_reverse_iterator typedef ptrdiff_t difference_type typedef _List_iterator< _Tp > iterator typedef _Tp_alloc_traits::pointer pointer typedef _Tp_alloc_traits::reference reference typedef std::reverse_iterator< iterator > reverse_iterator typedef size_t size_type typedef _Tp value_type Public Member Functions list ()=default Creates a list with no elements. template> list (_InputIterator __first, _InputIterator __last, const allocator_type &__a=allocator_type()) Builds a list from a range. list (const allocator_type &__a) noexcept Creates a list with no elements. list (const list &__x) List copy constructor. list (const list &__x, const __type_identity_t< allocator_type > &__a) list (initializer_list< value_type > __l, const allocator_type &__a=allocator_type()) Builds a list from an initializer_list. list (list &&)=default List move constructor. list (list &&__x, const __type_identity_t< allocator_type > &__a) noexcept(_Node_alloc_traits::_S_always_equal()) list (size_type __n, const allocator_type &__a=allocator_type()) Creates a list with default constructed elements. list (size_type __n, const value_type &__value, const allocator_type &__a=allocator_type()) Creates a list with copies of an exemplar element. ~list ()=default template> void assign (_InputIterator __first, _InputIterator __last) Assigns a range to a list. void assign (initializer_list< value_type > __l) Assigns an initializer_list to a list. void assign (size_type __n, const value_type &__val) Assigns a given value to a list. const_reference back () const noexcept reference back () noexcept const_iterator begin () const noexcept iterator begin () noexcept const_iterator cbegin () const noexcept const_iterator cend () const noexcept void clear () noexcept const_reverse_iterator crbegin () const noexcept const_reverse_iterator crend () const noexcept template iterator emplace (const_iterator __position, _Args &&... __args) Constructs object in list before specified iterator. template reference emplace_back (_Args &&... __args) template reference emplace_front (_Args &&... __args) bool empty () const noexcept const_iterator end () const noexcept iterator end () noexcept iterator erase (const_iterator __first, const_iterator __last) noexcept Remove a range of elements. iterator erase (const_iterator __position) noexcept Remove element at given position. const_reference front () const noexcept reference front () noexcept allocator_type get_allocator () const noexcept Get a copy of the memory allocation object. iterator insert (const_iterator __p, initializer_list< value_type > __l) Inserts the contents of an initializer_list into list before specified const_iterator. template> iterator insert (const_iterator __position, _InputIterator __first, _InputIterator __last) Inserts a range into the list. iterator insert (const_iterator __position, const value_type &__x) Inserts given value into list before specified iterator. iterator insert (const_iterator __position, size_type __n, const value_type &__x) Inserts a number of copies of given data into the list. iterator insert (const_iterator __position, value_type &&__x) Inserts given rvalue into list before specified iterator. size_type max_size () const noexcept void merge (list &&__x) Merge sorted lists. template void merge (list &&__x, _StrictWeakOrdering __comp) Merge sorted lists according to comparison function. void merge (list &__x) template void merge (list &__x, _StrictWeakOrdering __comp) list & operator= (const list &__x) List assignment operator. list & operator= (initializer_list< value_type > __l) List initializer list assignment operator. list & operator= (list &&__x) noexcept(_Node_alloc_traits::_S_nothrow_move()) List move assignment operator. void pop_back () noexcept Removes last element. void pop_front () noexcept Removes first element. void push_back (const value_type &__x) Add data to the end of the list. void push_back (value_type &&__x) void push_front (const value_type &__x) Add data to the front of the list. void push_front (value_type &&__x) const_reverse_iterator rbegin () const noexcept reverse_iterator rbegin () noexcept __remove_return_type remove (const _Tp &__value) Remove all elements equal to value. template __remove_return_type remove_if (_Predicate) Remove all elements satisfying a predicate. const_reverse_iterator rend () const noexcept reverse_iterator rend () noexcept void resize (size_type __new_size) Resizes the list to the specified number of elements. void resize (size_type __new_size, const value_type &__x) Resizes the list to the specified number of elements. void reverse () noexcept Reverse the elements in list. size_type size () const noexcept void sort () Sort the elements. template void sort (_StrictWeakOrdering) Sort the elements according to comparison function. void splice (const_iterator __position, list &&__x) noexcept Insert contents of another list. void splice (const_iterator __position, list &&__x, const_iterator __first, const_iterator __last) noexcept Insert range from another list. void splice (const_iterator __position, list &&__x, const_iterator __i) noexcept Insert element from another list. void splice (const_iterator __position, list &__x) noexcept void splice (const_iterator __position, list &__x, const_iterator __first, const_iterator __last) noexcept Insert range from another list. void splice (const_iterator __position, list &__x, const_iterator __i) noexcept Insert element from another list. void swap (list &__x) noexcept Swaps data with another list. __remove_return_type unique () Remove consecutive duplicate elements. template __remove_return_type unique (_BinaryPredicate) Remove consecutive elements satisfying a predicate. Protected Types typedef _List_node< _Tp > _Node Protected Member Functions template void _M_assign_dispatch (_InputIterator __first, _InputIterator __last, __false_type) template void _M_assign_dispatch (_Integer __n, _Integer __val, __true_type) void _M_check_equal_allocators (const list &__x) noexcept void _M_clear () noexcept template _Node * _M_create_node (_Args &&... __args) void _M_dec_size (size_t __n) void _M_default_append (size_type __n) void _M_default_initialize (size_type __n) size_t _M_distance (const __detail::_List_node_base *__first, const __detail::_List_node_base *__last) const void _M_erase (iterator __position) noexcept void _M_fill_assign (size_type __n, const value_type &__val) void _M_fill_initialize (size_type __n, const value_type &__x) _Node_alloc_traits::pointer _M_get_node () const _Node_alloc_type & _M_get_Node_allocator () const noexcept _Node_alloc_type & _M_get_Node_allocator () noexcept size_t _M_get_size () const void _M_inc_size (size_t __n) void _M_init () noexcept template void _M_initialize_dispatch (_InputIterator __first, _InputIterator __last, __false_type) template void _M_initialize_dispatch (_Integer __n, _Integer __x, __true_type) template void _M_insert (iterator __position, _Args &&... __args) void _M_move_assign (list &&__x, false_type) void _M_move_assign (list &&__x, true_type) noexcept void _M_move_nodes (_List_base &&__x) size_t _M_node_count () const void _M_put_node (typename _Node_alloc_traits::pointer __p) noexcept const_iterator _M_resize_pos (size_type &__new_size) const void _M_set_size (size_t __n) void _M_transfer (iterator __position, iterator __first, iterator __last) Static Protected Member Functions static size_t _S_distance (const __detail::_List_node_base *__first, const __detail::_List_node_base *__last) static size_t _S_distance (const_iterator __first, const_iterator __last) Protected Attributes _List_impl _M_impl Detailed Description template> class std::list< _Tp, _Alloc >"A standard container with linear time access to elements, and fixed time insertion/deletion at any point in the sequence. Template Parameters _Tp Type of element. _Alloc Allocator type, defaults to allocator<_Tp>. Meets the requirements of a container, a reversible container, and a sequence, including the optional sequence requirements with the exception of at and operator[]. This is a doubly linked list. Traversal up and down the list requires linear time, but adding and removing elements (or nodes) is done in constant time, regardless of where the change takes place. Unlike std::vector and std::deque, random-access iterators are not provided, so subscripting ( [] ) access is not allowed. For algorithms which only need sequential access, this lack makes no difference. Also unlike the other standard containers, std::list provides specialized algorithms unique to linked lists, such as splicing, sorting, and in-place reversal. A couple points on memory allocation for list: First, we never actually allocate a Tp, we allocate List_node's and trust [20.1.5]/4 to DTRT. This is to ensure that after elements from list are spliced into list, destroying the memory of the second list is a valid operation, i.e., Alloc1 giveth and Alloc2 taketh away. Second, a list conceptually represented as A <---> B <---> C <---> D is actually circular; a link exists between A and D. The list class holds (as its only data member) a private list::iterator pointing to D, not to A! To get to the head of the list, we start at the tail and move forward by one. When this member iterator's next/previous pointers refer to itself, the list is empty. Constructor & Destructor Documentation template> std::list< _Tp, _Alloc >::list () [default] Creates a list with no elements. template> std::list< _Tp, _Alloc >::list (const allocator_type & __a) [inline], [explicit], [noexcept] Creates a list with no elements. Parameters __a An allocator object. template> std::list< _Tp, _Alloc >::list (size_type __n, const allocator_type & __a = allocator_type()) [inline], [explicit] Creates a list with default constructed elements. Parameters __n The number of elements to initially create. __a An allocator object. This constructor fills the list with __n default constructed elements. template> std::list< _Tp, _Alloc >::list (size_type __n, const value_type & __value, const allocator_type & __a = allocator_type()) [inline] Creates a list with copies of an exemplar element. Parameters __n The number of elements to initially create. __value An element to copy. __a An allocator object. This constructor fills the list with __n copies of __value. template> std::list< _Tp, _Alloc >::list (const list< _Tp, _Alloc > & __x) [inline] List copy constructor. Parameters __x A list of identical element and allocator types. The newly-created list uses a copy of the allocation object used by __x (unless the allocator traits dictate a different object). References std::list< _Tp, _Alloc >::begin(), and std::list< _Tp, _Alloc >::end(). template> std::list< _Tp, _Alloc >::list (list< _Tp, _Alloc > && ) [default] List move constructor. The newly-created list contains the exact contents of the moved instance. The contents of the moved instance are a valid, but unspecified list. template> std::list< _Tp, _Alloc >::list (initializer_list< value_type > __l, const allocator_type & __a = allocator_type()) [inline] Builds a list from an initializer_list. Parameters __l An initializer_list of value_type. __a An allocator object. Create a list consisting of copies of the elements in the initializer_list __l. This is linear in __l.size(). template> template> std::list< _Tp, _Alloc >::list (_InputIterator __first, _InputIterator __last, const allocator_type & __a = allocator_type()) [inline] Builds a list from a range. Parameters __first An input iterator. __last An input iterator. __a An allocator object. Create a list consisting of copies of the elements from [__first,__last). This is linear in N (where N is distance(__first,__last)). template> std::list< _Tp, _Alloc >::~list () [default] No explicit dtor needed as the _Base dtor takes care of things. The _Base dtor only erases the elements, and note that if the elements themselves are pointers, the pointed-to memory is not touched in any way. Managing the pointer is the user's responsibility. Member Function Documentation template> template _Node * std::list< _Tp, _Alloc >::_M_create_node (_Args &&... __args) [inline], [protected] Parameters __args An instance of user data. Allocates space for a new node and constructs a copy of __args in it. References std::forward(). template> template> void std::list< _Tp, _Alloc >::assign (_InputIterator __first, _InputIterator __last) [inline] Assigns a range to a list. Parameters __first An input iterator. __last An input iterator. This function fills a list with copies of the elements in the range [__first,__last). Note that the assignment completely changes the list and that the resulting list's size is the same as the number of elements assigned. template> void std::list< _Tp, _Alloc >::assign (initializer_list< value_type > __l) [inline] Assigns an initializer_list to a list. Parameters __l An initializer_list of value_type. Replace the contents of the list with copies of the elements in the initializer_list __l. This is linear in __l.size(). template> void std::list< _Tp, _Alloc >::assign (size_type __n, const value_type & __val) [inline] Assigns a given value to a list. Parameters __n Number of elements to be assigned. __val Value to be assigned. This function fills a list with __n copies of the given value. Note that the assignment completely changes the list and that the resulting list's size is the same as the number of elements assigned. Referenced by std::list< _Tp, _Alloc >::operator=(). template> const_reference std::list< _Tp, _Alloc >::back () const [inline], [nodiscard], [noexcept] Returns a read-only (constant) reference to the data at the last element of the list. References std::list< _Tp, _Alloc >::end(). template> reference std::list< _Tp, _Alloc >::back () [inline], [nodiscard], [noexcept] Returns a read/write reference to the data at the last element of the list. References std::list< _Tp, _Alloc >::end(). template> const_iterator std::list< _Tp, _Alloc >::begin () const [inline], [nodiscard], [noexcept] Returns a read-only (constant) iterator that points to the first element in the list. Iteration is done in ordinary element order. template> iterator std::list< _Tp, _Alloc >::begin () [inline], [nodiscard], [noexcept] Returns a read/write iterator that points to the first element in the list. Iteration is done in ordinary element order. Referenced by std::list< _Tp, _Alloc >::list(), std::list< _Tp, _Alloc >::crend(), std::list< _Tp, _Alloc >::front(), std::list< _Tp, _Alloc >::front(), std::list< _Tp, _Alloc >::insert(), std::list< _Tp, _Alloc >::insert(), std::list< _Tp, _Alloc >::merge(), std::list< _Tp, _Alloc >::merge(), std::operator<=>(), std::list< _Tp, _Alloc >::operator=(), std::list< _Tp, _Alloc >::pop_front(), std::list< _Tp, _Alloc >::push_front(), std::list< _Tp, _Alloc >::remove(), std::list< _Tp, _Alloc >::remove_if(), std::list< _Tp, _Alloc >::rend(), std::list< _Tp, _Alloc >::rend(), std::list< _Tp, _Alloc >::splice(), std::list< _Tp, _Alloc >::unique(), and std::list< _Tp, _Alloc >::unique(). template> const_iterator std::list< _Tp, _Alloc >::cbegin () const [inline], [noexcept] Returns a read-only (constant) iterator that points to the first element in the list. Iteration is done in ordinary element order. template> const_iterator std::list< _Tp, _Alloc >::cend () const [inline], [noexcept] Returns a read-only (constant) iterator that points one past the last element in the list. Iteration is done in ordinary element order. template> void std::list< _Tp, _Alloc >::clear () [inline], [noexcept] Erases all the elements. Note that this function only erases the elements, and that if the elements themselves are pointers, the pointed-to memory is not touched in any way. Managing the pointer is the user's responsibility. template> const_reverse_iterator std::list< _Tp, _Alloc >::crbegin () const [inline], [noexcept] Returns a read-only (constant) reverse iterator that points to the last element in the list. Iteration is done in reverse element order. References std::list< _Tp, _Alloc >::end(). template> const_reverse_iterator std::list< _Tp, _Alloc >::crend () const [inline], [noexcept] Returns a read-only (constant) reverse iterator that points to one before the first element in the list. Iteration is done in reverse element order. References std::list< _Tp, _Alloc >::begin(). template template list< _Tp, _Alloc >::iterator list::emplace (const_iterator __position, _Args &&... __args) Constructs object in list before specified iterator. Parameters __position A const_iterator into the list. __args Arguments. Returns An iterator that points to the inserted data. This function will insert an object of type T constructed with T(std::forward(args)...) before the specified location. Due to the nature of a list this operation can be done in constant time, and does not invalidate iterators and references. References std::forward(). Referenced by std::list< _Tp, _Alloc >::insert(). template> bool std::list< _Tp, _Alloc >::empty () const [inline], [nodiscard], [noexcept] Returns true if the list is empty. (Thus begin() would equal end().) Referenced by std::list< _Tp, _Alloc >::insert(), and std::list< _Tp, _Alloc >::splice(). template> const_iterator std::list< _Tp, _Alloc >::end () const [inline], [nodiscard], [noexcept] Returns a read-only (constant) iterator that points one past the last element in the list. Iteration is done in ordinary element order. template> iterator std::list< _Tp, _Alloc >::end () [inline], [nodiscard], [noexcept] Returns a read/write iterator that points one past the last element in the list. Iteration is done in ordinary element order. Referenced by std::list< _Tp, _Alloc >::list(), std::list< _Tp, _Alloc >::back(), std::list< _Tp, _Alloc >::back(), std::list< _Tp, _Alloc >::crbegin(), std::list< _Tp, _Alloc >::merge(), std::list< _Tp, _Alloc >::merge(), std::operator<=>(), std::list< _Tp, _Alloc >::operator=(), std::list< _Tp, _Alloc >::push_back(), std::list< _Tp, _Alloc >::rbegin(), std::list< _Tp, _Alloc >::rbegin(), and std::list< _Tp, _Alloc >::splice(). template> iterator std::list< _Tp, _Alloc >::erase (const_iterator __first, const_iterator __last) [inline], [noexcept] Remove a range of elements. Parameters __first Iterator pointing to the first element to be erased. __last Iterator pointing to one past the last element to be erased. Returns An iterator pointing to the element pointed to by last prior to erasing (or end()). This function will erase the elements in the range [first,last) and shorten the list accordingly. This operation is linear time in the size of the range and only invalidates iterators/references to the element being removed. The user is also cautioned that this function only erases the elements, and that if the elements themselves are pointers, the pointed-to memory is not touched in any way. Managing the pointer is the user's responsibility. References std::list< _Tp, _Alloc >::erase(). template list< _Tp, _Alloc >::iterator list::erase (const_iterator __position) [noexcept] Remove element at given position. Parameters __position Iterator pointing to element to be erased. Returns An iterator pointing to the next element (or end()). This function will erase the element at the given position and thus shorten the list by one. Due to the nature of a list this operation can be done in constant time, and only invalidates iterators/references to the element being removed. The user is also cautioned that this function only erases the element, and that if the element is itself a pointer, the pointed-to memory is not touched in any way. Managing the pointer is the user's responsibility. Referenced by std::list< _Tp, _Alloc >::erase(). template> const_reference std::list< _Tp, _Alloc >::front () const [inline], [nodiscard], [noexcept] Returns a read-only (constant) reference to the data at the first element of the list. References std::list< _Tp, _Alloc >::begin(). template> reference std::list< _Tp, _Alloc >::front () [inline], [nodiscard], [noexcept] Returns a read/write reference to the data at the first element of the list. References std::list< _Tp, _Alloc >::begin(). template> allocator_type std::list< _Tp, _Alloc >::get_allocator () const [inline], [noexcept] Get a copy of the memory allocation object. template> iterator std::list< _Tp, _Alloc >::insert (const_iterator __p, initializer_list< value_type > __l) [inline] Inserts the contents of an initializer_list into list before specified const_iterator. Parameters __p A const_iterator into the list. __l An initializer_list of value_type. Returns An iterator pointing to the first element inserted (or __position). This function will insert copies of the data in the initializer_list l into the list before the location specified by p. This operation is linear in the number of elements inserted and does not invalidate iterators and references. References std::list< _Tp, _Alloc >::insert(). template template list< _Tp, _Alloc >::iterator list::insert (const_iterator __position, _InputIterator __first, _InputIterator __last) Inserts a range into the list. Parameters __position A const_iterator into the list. __first An input iterator. __last An input iterator. Returns An iterator pointing to the first element inserted (or __position). This function will insert copies of the data in the range [first,last) into the list before the location specified by position. This operation is linear in the number of elements inserted and does not invalidate iterators and references. References std::list< _Tp, _Alloc >::begin(), and std::list< _Tp, _Alloc >::empty(). template list< _Tp, _Alloc >::iterator list::insert (const_iterator __position, const value_type & __x) Inserts given value into list before specified iterator. Parameters __position A const_iterator into the list. __x Data to be inserted. Returns An iterator that points to the inserted data. This function will insert a copy of the given value before the specified location. Due to the nature of a list this operation can be done in constant time, and does not invalidate iterators and references. Referenced by std::list< _Tp, _Alloc >::insert(). template list< _Tp, _Alloc >::iterator list::insert (const_iterator __position, size_type __n, const value_type & __x) Inserts a number of copies of given data into the list. Parameters __position A const_iterator into the list. __n Number of elements to be inserted. __x Data to be inserted. Returns An iterator pointing to the first element inserted (or __position). This function will insert a specified number of copies of the given data before the location specified by position. This operation is linear in the number of elements inserted and does not invalidate iterators and references. References std::list< _Tp, _Alloc >::begin(). template> iterator std::list< _Tp, _Alloc >::insert (const_iterator __position, value_type && __x) [inline] Inserts given rvalue into list before specified iterator. Parameters __position A const_iterator into the list. __x Data to be inserted. Returns An iterator that points to the inserted data. This function will insert a copy of the given rvalue before the specified location. Due to the nature of a list this operation can be done in constant time, and does not invalidate iterators and references. References std::list< _Tp, _Alloc >::emplace(), and std::move(). template> size_type std::list< _Tp, _Alloc >::max_size () const [inline], [nodiscard], [noexcept] Returns the size() of the largest possible list. References std::allocator_traits< _Alloc >::max_size(). template void list::merge (list< _Tp, _Alloc > && __x) Merge sorted lists. Parameters __x Sorted list to merge. Assumes that both __x and this list are sorted according to operator<(). Merges elements of __x into this list in sorted order, leaving __x empty when complete. Elements in this list precede elements in __x that are equal. References std::__addressof(), std::begin(), std::list< _Tp, _Alloc >::begin(), std::end(), and std::list< _Tp, _Alloc >::end(). template template void list::merge (list< _Tp, _Alloc > && __x, _StrictWeakOrdering __comp) Merge sorted lists according to comparison function. Template Parameters _StrictWeakOrdering Comparison function defining sort order. Parameters __x Sorted list to merge. __comp Comparison functor. Assumes that both __x and this list are sorted according to StrictWeakOrdering. Merges elements of __x into this list in sorted order, leaving __x empty when complete. Elements in this list precede elements in __x that are equivalent according to StrictWeakOrdering(). References std::__addressof(), std::begin(), std::list< _Tp, _Alloc >::begin(), std::end(), and std::list< _Tp, _Alloc >::end(). template list< _Tp, _Alloc > & list::operator= (const list< _Tp, _Alloc > & __x) List assignment operator. Parameters __x A list of identical element and allocator types. All the elements of __x are copied. Whether the allocator is copied depends on the allocator traits. References std::__addressof(), std::list< _Tp, _Alloc >::begin(), and std::list< _Tp, _Alloc >::end(). template> list & std::list< _Tp, _Alloc >::operator= (initializer_list< value_type > __l) [inline] List initializer list assignment operator. Parameters __l An initializer_list of value_type. Replace the contents of the list with copies of the elements in the initializer_list __l. This is linear in l.size(). References std::list< _Tp, _Alloc >::assign(). template> list & std::list< _Tp, _Alloc >::operator= (list< _Tp, _Alloc > && __x) [inline], [noexcept] List move assignment operator. Parameters __x A list of identical element and allocator types. The contents of __x are moved into this list (without copying). Afterwards __x is a valid, but unspecified list Whether the allocator is moved depends on the allocator traits. References std::move(). template> void std::list< _Tp, _Alloc >::pop_back () [inline], [noexcept] Removes last element. This is a typical stack operation. It shrinks the list by one. Due to the nature of a list this operation can be done in constant time, and only invalidates iterators/references to the element being removed. Note that no data is returned, and if the last element's data is needed, it should be retrieved before pop_back() is called. template> void std::list< _Tp, _Alloc >::pop_front () [inline], [noexcept] Removes first element. This is a typical stack operation. It shrinks the list by one. Due to the nature of a list this operation can be done in constant time, and only invalidates iterators/references to the element being removed. Note that no data is returned, and if the first element's data is needed, it should be retrieved before pop_front() is called. References std::list< _Tp, _Alloc >::begin(). template> void std::list< _Tp, _Alloc >::push_back (const value_type & __x) [inline] Add data to the end of the list. Parameters __x Data to be added. This is a typical stack operation. The function creates an element at the end of the list and assigns the given data to it. Due to the nature of a list this operation can be done in constant time, and does not invalidate iterators and references. References std::list< _Tp, _Alloc >::end(). template> void std::list< _Tp, _Alloc >::push_front (const value_type & __x) [inline] Add data to the front of the list. Parameters __x Data to be added. This is a typical stack operation. The function creates an element at the front of the list and assigns the given data to it. Due to the nature of a list this operation can be done in constant time, and does not invalidate iterators and references. References std::list< _Tp, _Alloc >::begin(). template> const_reverse_iterator std::list< _Tp, _Alloc >::rbegin () const [inline], [nodiscard], [noexcept] Returns a read-only (constant) reverse iterator that points to the last element in the list. Iteration is done in reverse element order. References std::list< _Tp, _Alloc >::end(). template> reverse_iterator std::list< _Tp, _Alloc >::rbegin () [inline], [nodiscard], [noexcept] Returns a read/write reverse iterator that points to the last element in the list. Iteration is done in reverse element order. References std::list< _Tp, _Alloc >::end(). template list< _Tp, _Alloc >::__remove_return_type list::remove (const _Tp & __value) Remove all elements equal to value. Parameters __value The value to remove. Removes every element in the list equal to value. Remaining elements stay in list order. Note that this function only erases the elements, and that if the elements themselves are pointers, the pointed-to memory is not touched in any way. Managing the pointer is the user's responsibility. References std::begin(), std::list< _Tp, _Alloc >::begin(), std::end(), std::list< _Tp, _Alloc >::size(), and std::list< _Tp, _Alloc >::splice(). template template list< _Tp, _Alloc >::__remove_return_type list::remove_if (_Predicate __pred) Remove all elements satisfying a predicate. Template Parameters _Predicate Unary predicate function or object. Removes every element in the list for which the predicate returns true. Remaining elements stay in list order. Note that this function only erases the elements, and that if the elements themselves are pointers, the pointed-to memory is not touched in any way. Managing the pointer is the user's responsibility. References std::begin(), std::list< _Tp, _Alloc >::begin(), std::end(), std::list< _Tp, _Alloc >::size(), and std::list< _Tp, _Alloc >::splice(). template> const_reverse_iterator std::list< _Tp, _Alloc >::rend () const [inline], [nodiscard], [noexcept] Returns a read-only (constant) reverse iterator that points to one before the first element in the list. Iteration is done in reverse element order. References std::list< _Tp, _Alloc >::begin(). template> reverse_iterator std::list< _Tp, _Alloc >::rend () [inline], [nodiscard], [noexcept] Returns a read/write reverse iterator that points to one before the first element in the list. Iteration is done in reverse element order. References std::list< _Tp, _Alloc >::begin(). template void list::resize (size_type __new_size) Resizes the list to the specified number of elements. Parameters __new_size Number of elements the list should contain. This function will resize the list to the specified number of elements. If the number is smaller than the list's current size the list is truncated, otherwise default constructed elements are appended. References std::end(). template void list::resize (size_type __new_size, const value_type & __x) Resizes the list to the specified number of elements. Parameters __new_size Number of elements the list should contain. __x Data with which new elements should be populated. This function will resize the list to the specified number of elements. If the number is smaller than the list's current size the list is truncated, otherwise the list is extended and new elements are populated with given data. References std::end(). template> void std::list< _Tp, _Alloc >::reverse () [inline], [noexcept] Reverse the elements in list. Reverse the order of elements in the list in linear time. template> size_type std::list< _Tp, _Alloc >::size () const [inline], [nodiscard], [noexcept] Returns the number of elements in the list. Referenced by std::operator<=>(), std::list< _Tp, _Alloc >::remove(), std::list< _Tp, _Alloc >::remove_if(), std::list< _Tp, _Alloc >::unique(), and std::list< _Tp, _Alloc >::unique(). template void list::sort () Sort the elements. Sorts the elements of this list in NlogN time. Equivalent elements remain in list order. References std::begin(), std::empty(), and std::end(). template template void list::sort (_StrictWeakOrdering __comp) Sort the elements according to comparison function. Sorts the elements of this list in NlogN time. Equivalent elements remain in list order. References std::begin(), std::empty(), and std::end(). template> void std::list< _Tp, _Alloc >::splice (const_iterator __position, list< _Tp, _Alloc > && __x) [inline], [noexcept] Insert contents of another list. Parameters __position Iterator referencing the element to insert before. __x Source list. The elements of __x are inserted in constant time in front of the element referenced by __position. __x becomes an empty list. Requires this != __x. References std::list< _Tp, _Alloc >::begin(), std::list< _Tp, _Alloc >::empty(), and std::list< _Tp, _Alloc >::end(). Referenced by std::list< _Tp, _Alloc >::remove(), std::list< _Tp, _Alloc >::remove_if(), std::list< _Tp, _Alloc >::splice(), std::list< _Tp, _Alloc >::splice(), std::list< _Tp, _Alloc >::unique(), and std::list< _Tp, _Alloc >::unique(). template> void std::list< _Tp, _Alloc >::splice (const_iterator __position, list< _Tp, _Alloc > && __x, const_iterator __first, const_iterator __last) [inline], [noexcept] Insert range from another list. Parameters __position Const_iterator referencing the element to insert before. __x Source list. __first Const_iterator referencing the start of range in x. __last Const_iterator referencing the end of range in x. Removes elements in the range [__first,__last) and inserts them before __position in constant time. Undefined if __position is in [__first,__last). References std::__addressof(). template> void std::list< _Tp, _Alloc >::splice (const_iterator __position, list< _Tp, _Alloc > && __x, const_iterator __i) [inline], [noexcept] Insert element from another list. Parameters __position Const_iterator referencing the element to insert before. __x Source list. __i Const_iterator referencing the element to move. Removes the element in list __x referenced by __i and inserts it into the current list before __position. References std::__addressof(). template> void std::list< _Tp, _Alloc >::splice (const_iterator __position, list< _Tp, _Alloc > & __x, const_iterator __first, const_iterator __last) [inline], [noexcept] Insert range from another list. Parameters __position Const_iterator referencing the element to insert before. __x Source list. __first Const_iterator referencing the start of range in x. __last Const_iterator referencing the end of range in x. Removes elements in the range [__first,__last) and inserts them before __position in constant time. Undefined if __position is in [__first,__last). References std::move(), and std::list< _Tp, _Alloc >::splice(). template> void std::list< _Tp, _Alloc >::splice (const_iterator __position, list< _Tp, _Alloc > & __x, const_iterator __i) [inline], [noexcept] Insert element from another list. Parameters __position Const_iterator referencing the element to insert before. __x Source list. __i Const_iterator referencing the element to move. Removes the element in list __x referenced by __i and inserts it into the current list before __position. References std::move(), and std::list< _Tp, _Alloc >::splice(). template> void std::list< _Tp, _Alloc >::swap (list< _Tp, _Alloc > & __x) [inline], [noexcept] Swaps data with another list. Parameters __x A list of the same element and allocator types. This exchanges the elements between two lists in constant time. Note that the global std::swap() function is specialized such that std::swap(l1,l2) will feed to this function. Whether the allocators are swapped depends on the allocator traits. template list< _Tp, _Alloc >::__remove_return_type list::unique () Remove consecutive duplicate elements. For each consecutive set of elements with the same value, remove all but the first one. Remaining elements stay in list order. Note that this function only erases the elements, and that if the elements themselves are pointers, the pointed-to memory is not touched in any way. Managing the pointer is the user's responsibility. References std::begin(), std::list< _Tp, _Alloc >::begin(), std::end(), std::list< _Tp, _Alloc >::size(), and std::list< _Tp, _Alloc >::splice(). template template list< _Tp, _Alloc >::__remove_return_type list::unique (_BinaryPredicate __binary_pred) Remove consecutive elements satisfying a predicate. Template Parameters _BinaryPredicate Binary predicate function or object. For each consecutive set of elements [first,last) that satisfy predicate(first,i) where i is an iterator in [first,last), remove all but the first one. Remaining elements stay in list order. Note that this function only erases the elements, and that if the elements themselves are pointers, the pointed-to memory is not touched in any way. Managing the pointer is the user's responsibility. References std::begin(), std::list< _Tp, _Alloc >::begin(), std::end(), std::list< _Tp, _Alloc >::size(), and std::list< _Tp, _Alloc >::splice(). Author Generated automatically by Doxygen for libstdc++ from the source code. libstdc++ std::list< _Tp, _Alloc >(3)