Provided by: libstdc++-13-doc_13.2.0-23ubuntu4_all bug

NAME

       std::vector< _Tp, _Alloc > - A standard container which offers fixed time access to
       individual elements in any order.

SYNOPSIS

       #include <vector>

       Inherits std::_Vector_base< _Tp, _Alloc >.

       Inherited by std::match_results< _Bi_iter, _Alloc > [private].

   Public Types
       typedef _Alloc allocator_type
       typedef __gnu_cxx::__normal_iterator< const_pointer, vector > const_iterator
       typedef _Alloc_traits::const_pointer const_pointer
       typedef _Alloc_traits::const_reference const_reference
       typedef std::reverse_iterator< const_iterator > const_reverse_iterator
       typedef ptrdiff_t difference_type
       typedef __gnu_cxx::__normal_iterator< pointer, vector > iterator
       typedef _Base::pointer pointer
       typedef _Alloc_traits::reference reference
       typedef std::reverse_iterator< iterator > reverse_iterator
       typedef size_t size_type
       typedef _Tp value_type

   Public Member Functions
       vector ()=default
           Creates a vector with no elements.
       template<typename _InputIterator , typename  = std::_RequireInputIter<_InputIterator>>
           constexpr vector (_InputIterator __first, _InputIterator __last, const allocator_type
           &__a=allocator_type())
           Builds a vector from a range.
       constexpr vector (const allocator_type &__a) noexcept
           Creates a vector with no elements.
       constexpr vector (const vector &__x)
           Vector copy constructor.
       constexpr vector (const vector &__x, const __type_identity_t< allocator_type > &__a)
           Copy constructor with alternative allocator.
       constexpr vector (initializer_list< value_type > __l, const allocator_type
           &__a=allocator_type())
           Builds a vector from an initializer list.
       constexpr vector (size_type __n, const allocator_type &__a=allocator_type())
           Creates a vector with default constructed elements.
       constexpr vector (size_type __n, const value_type &__value, const allocator_type
           &__a=allocator_type())
           Creates a vector with copies of an exemplar element.
       vector (vector &&) noexcept=default
           Vector move constructor.
       constexpr vector (vector &&__rv, const __type_identity_t< allocator_type > &__m)
           noexcept(noexcept(vector(std::declval< vector && >(), std::declval< const
           allocator_type & >(), std::declval< typename _Alloc_traits::is_always_equal >())))
           Move constructor with alternative allocator.
       constexpr ~vector () noexcept
       template<typename... _Args> constexpr auto _M_emplace_aux (const_iterator __position,
           _Args &&... __args) -> iterator
       template<typename _InputIterator , typename  = std::_RequireInputIter<_InputIterator>>
           constexpr void assign (_InputIterator __first, _InputIterator __last)
           Assigns a range to a vector.
       constexpr void assign (initializer_list< value_type > __l)
           Assigns an initializer list to a vector.
       constexpr void assign (size_type __n, const value_type &__val)
           Assigns a given value to a vector.
       constexpr reference at (size_type __n)
           Provides access to the data contained in the vector.
       constexpr const_reference at (size_type __n) const
           Provides access to the data contained in the vector.
       constexpr const_reference back () const noexcept
       constexpr reference back () noexcept
       constexpr const_iterator begin () const noexcept
       constexpr iterator begin () noexcept
       constexpr size_type capacity () const noexcept
       constexpr const_iterator cbegin () const noexcept
       constexpr const_iterator cend () const noexcept
       constexpr void clear () noexcept
       constexpr const_reverse_iterator crbegin () const noexcept
       constexpr const_reverse_iterator crend () const noexcept
       constexpr const _Tp * data () const noexcept
       constexpr _Tp * data () noexcept
       template<typename... _Args> constexpr iterator emplace (const_iterator __position, _Args
           &&... __args)
           Inserts an object in vector before specified iterator.
       template<typename... _Args> constexpr reference emplace_back (_Args &&... __args)
       constexpr bool empty () const noexcept
       constexpr const_iterator end () const noexcept
       constexpr iterator end () noexcept
       constexpr iterator erase (const_iterator __first, const_iterator __last)
           Remove a range of elements.
       constexpr iterator erase (const_iterator __position)
           Remove element at given position.
       constexpr const_reference front () const noexcept
       constexpr reference front () noexcept
       constexpr allocator_type get_allocator () const noexcept
           Get a copy of the memory allocation object.
       template<typename _InputIterator , typename  = std::_RequireInputIter<_InputIterator>>
           constexpr iterator insert (const_iterator __position, _InputIterator __first,
           _InputIterator __last)
           Inserts a range into the vector.
       constexpr iterator insert (const_iterator __position, const value_type &__x)
           Inserts given value into vector before specified iterator.
       constexpr iterator insert (const_iterator __position, initializer_list< value_type > __l)
           Inserts an initializer_list into the vector.
       constexpr iterator insert (const_iterator __position, size_type __n, const value_type
           &__x)
           Inserts a number of copies of given data into the vector.
       constexpr iterator insert (const_iterator __position, value_type &&__x)
           Inserts given rvalue into vector before specified iterator.
       constexpr size_type max_size () const noexcept
       constexpr vector & operator= (const vector &__x)
           Vector assignment operator.
       constexpr vector & operator= (initializer_list< value_type > __l)
           Vector list assignment operator.
       constexpr vector & operator= (vector &&__x) noexcept(_Alloc_traits::_S_nothrow_move())
           Vector move assignment operator.
       constexpr const_reference operator[] (size_type __n) const noexcept
           Subscript access to the data contained in the vector.
       constexpr reference operator[] (size_type __n) noexcept
           Subscript access to the data contained in the vector.
       constexpr void pop_back () noexcept
           Removes last element.
       constexpr void push_back (const value_type &__x)
           Add data to the end of the vector.
       constexpr void push_back (value_type &&__x)
       constexpr const_reverse_iterator rbegin () const noexcept
       constexpr reverse_iterator rbegin () noexcept
       constexpr const_reverse_iterator rend () const noexcept
       constexpr reverse_iterator rend () noexcept
       constexpr void reserve (size_type __n)
           Attempt to preallocate enough memory for specified number of elements.
       constexpr void resize (size_type __new_size)
           Resizes the vector to the specified number of elements.
       constexpr void resize (size_type __new_size, const value_type &__x)
           Resizes the vector to the specified number of elements.
       constexpr void shrink_to_fit ()
       constexpr size_type size () const noexcept
       constexpr void swap (vector &__x) noexcept
           Swaps data with another vector.

   Protected Member Functions
       constexpr pointer _M_allocate (size_t __n)
       template<typename _ForwardIterator > constexpr pointer _M_allocate_and_copy (size_type
           __n, _ForwardIterator __first, _ForwardIterator __last)
       template<typename _ForwardIterator > constexpr void _M_assign_aux (_ForwardIterator
           __first, _ForwardIterator __last, std::forward_iterator_tag)
       template<typename _InputIterator > constexpr void _M_assign_aux (_InputIterator __first,
           _InputIterator __last, std::input_iterator_tag)
       template<typename _InputIterator > constexpr void _M_assign_dispatch (_InputIterator
           __first, _InputIterator __last, __false_type)
       template<typename _Integer > constexpr void _M_assign_dispatch (_Integer __n, _Integer
           __val, __true_type)
       constexpr size_type _M_check_len (size_type __n, const char *__s) const
       constexpr void _M_create_storage (size_t __n)
       constexpr void _M_deallocate (pointer __p, size_t __n)
       constexpr void _M_default_append (size_type __n)
       constexpr void _M_default_initialize (size_type __n)
       template<typename... _Args> constexpr iterator _M_emplace_aux (const_iterator __position,
           _Args &&... __args)
       constexpr iterator _M_emplace_aux (const_iterator __position, value_type &&__v)
       constexpr iterator _M_erase (iterator __first, iterator __last)
       constexpr iterator _M_erase (iterator __position)
       constexpr void _M_erase_at_end (pointer __pos) noexcept
       constexpr void _M_fill_assign (size_type __n, const value_type &__val)
       constexpr void _M_fill_initialize (size_type __n, const value_type &__value)
       constexpr void _M_fill_insert (iterator __pos, size_type __n, const value_type &__x)
       constexpr const _Tp_alloc_type & _M_get_Tp_allocator () const noexcept
       constexpr _Tp_alloc_type & _M_get_Tp_allocator () noexcept
       template<typename _Arg > constexpr void _M_insert_aux (iterator __position, _Arg &&__arg)
       template<typename _InputIterator > constexpr void _M_insert_dispatch (iterator __pos,
           _InputIterator __first, _InputIterator __last, __false_type)
       template<typename _Integer > constexpr void _M_insert_dispatch (iterator __pos, _Integer
           __n, _Integer __val, __true_type)
       constexpr iterator _M_insert_rval (const_iterator __position, value_type &&__v)
       constexpr void _M_range_check (size_type __n) const
           Safety check used only from at().
       template<typename _ForwardIterator > constexpr void _M_range_initialize (_ForwardIterator
           __first, _ForwardIterator __last, std::forward_iterator_tag)
       template<typename _InputIterator > constexpr void _M_range_initialize (_InputIterator
           __first, _InputIterator __last, std::input_iterator_tag)
       template<typename _ForwardIterator > constexpr void _M_range_insert (iterator __pos,
           _ForwardIterator __first, _ForwardIterator __last, std::forward_iterator_tag)
       template<typename _InputIterator > constexpr void _M_range_insert (iterator __pos,
           _InputIterator __first, _InputIterator __last, std::input_iterator_tag)
       template<typename... _Args> constexpr void _M_realloc_insert (iterator __position, _Args
           &&... __args)
       constexpr bool _M_shrink_to_fit ()

   Static Protected Member Functions
       static constexpr size_type _S_check_init_len (size_type __n, const allocator_type &__a)
       static constexpr size_type _S_max_size (const _Tp_alloc_type &__a) noexcept

   Protected Attributes
       _Vector_impl _M_impl

Detailed Description

   template<typename _Tp, typename _Alloc = std::allocator<_Tp>>
       class std::vector< _Tp, _Alloc >"A standard container which offers fixed time access to
       individual elements in any order.

       Since
           C++98

       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 push_front and pop_front.

       In some terminology a vector can be described as a dynamic C-style array, it offers fast
       and efficient access to individual elements in any order and saves the user from worrying
       about memory and size allocation. Subscripting ( [] ) access is also provided as with C-
       style arrays.

Constructor & Destructor Documentation

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> std::vector< _Tp, _Alloc
       >::vector () [default]
       Creates a vector with no elements.

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr std::vector< _Tp,
       _Alloc >::vector (const allocator_type & __a) [inline],  [explicit],  [constexpr],
       [noexcept]
       Creates a vector with no elements.

       Parameters
           __a An allocator object.

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr std::vector< _Tp,
       _Alloc >::vector (size_type __n, const allocator_type & __a = allocator_type()) [inline],
       [explicit],  [constexpr]
       Creates a vector with default constructed elements.

       Parameters
           __n The number of elements to initially create.
           __a An allocator.

       This constructor fills the vector with __n default constructed elements.

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr std::vector< _Tp,
       _Alloc >::vector (size_type __n, const value_type & __value, const allocator_type & __a =
       allocator_type()) [inline],  [constexpr]
       Creates a vector with copies of an exemplar element.

       Parameters
           __n The number of elements to initially create.
           __value An element to copy.
           __a An allocator.

       This constructor fills the vector with __n copies of __value.

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr std::vector< _Tp,
       _Alloc >::vector (const vector< _Tp, _Alloc > & __x) [inline],  [constexpr]
       Vector copy constructor.

       Parameters
           __x A vector of identical element and allocator types.

       All the elements of __x are copied, but any unused capacity in __x will not be copied
       (i.e. capacity() == size() in the new vector).

       The newly-created vector uses a copy of the allocator object used by __x (unless the
       allocator traits dictate a different object).

       References std::vector< _Tp, _Alloc >::begin(), and std::vector< _Tp, _Alloc >::end().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> std::vector< _Tp, _Alloc
       >::vector (vector< _Tp, _Alloc > &&) [default],  [noexcept]
       Vector move constructor. The newly-created vector contains the exact contents of the moved
       instance. The contents of the moved instance are a valid, but unspecified vector.

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr std::vector< _Tp,
       _Alloc >::vector (const vector< _Tp, _Alloc > & __x, const __type_identity_t<
       allocator_type > & __a) [inline],  [constexpr]
       Copy constructor with alternative allocator.

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr std::vector< _Tp,
       _Alloc >::vector (vector< _Tp, _Alloc > && __rv, const __type_identity_t< allocator_type >
       & __m) [inline],  [constexpr],  [noexcept]
       Move constructor with alternative allocator.

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr std::vector< _Tp,
       _Alloc >::vector (initializer_list< value_type > __l, const allocator_type & __a =
       allocator_type()) [inline],  [constexpr]
       Builds a vector from an initializer list.

       Parameters
           __l An initializer_list.
           __a An allocator.

       Create a vector consisting of copies of the elements in the initializer_list __l.

       This will call the element type's copy constructor N times (where N is __l.size()) and do
       no memory reallocation.

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> template<typename
       _InputIterator , typename  = std::_RequireInputIter<_InputIterator>> constexpr
       std::vector< _Tp, _Alloc >::vector (_InputIterator __first, _InputIterator __last, const
       allocator_type & __a = allocator_type()) [inline],  [constexpr]
       Builds a vector from a range.

       Parameters
           __first An input iterator.
           __last An input iterator.
           __a An allocator.

       Create a vector consisting of copies of the elements from [first,last).

       If the iterators are forward, bidirectional, or random-access, then this will call the
       elements' copy constructor N times (where N is distance(first,last)) and do no memory
       reallocation. But if only input iterators are used, then this will do at most 2N calls to
       the copy constructor, and logN memory reallocations.

       References std::__iterator_category().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr std::vector< _Tp,
       _Alloc >::~vector () [inline],  [constexpr],  [noexcept]
       The 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.

       References std::_Destroy().

Member Function Documentation

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> template<typename
       _ForwardIterator > constexpr pointer std::vector< _Tp, _Alloc >::_M_allocate_and_copy
       (size_type __n, _ForwardIterator __first, _ForwardIterator __last) [inline],  [constexpr],
       [protected]
       Memory expansion handler. Uses the member allocation function to obtain n bytes of memory,
       and then copies [first,last) into it.

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr void std::vector<
       _Tp, _Alloc >::_M_range_check (size_type __n) const [inline],  [constexpr],  [protected]
       Safety check used only from at().

       References std::vector< _Tp, _Alloc >::size().

       Referenced by std::vector< _Tp, _Alloc >::at(), and std::vector< _Tp, _Alloc >::at().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> template<typename
       _InputIterator , typename  = std::_RequireInputIter<_InputIterator>> constexpr void
       std::vector< _Tp, _Alloc >::assign (_InputIterator __first, _InputIterator __last)
       [inline],  [constexpr]
       Assigns a range to a vector.

       Parameters
           __first An input iterator.
           __last An input iterator.

       This function fills a vector with copies of the elements in the range [__first,__last).

       Note that the assignment completely changes the vector and that the resulting vector's
       size is the same as the number of elements assigned.

       References std::__iterator_category().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr void std::vector<
       _Tp, _Alloc >::assign (initializer_list< value_type > __l) [inline],  [constexpr]
       Assigns an initializer list to a vector.

       Parameters
           __l An initializer_list.

       This function fills a vector with copies of the elements in the initializer list __l.

       Note that the assignment completely changes the vector and that the resulting vector's
       size is the same as the number of elements assigned.

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr void std::vector<
       _Tp, _Alloc >::assign (size_type __n, const value_type & __val) [inline],  [constexpr]
       Assigns a given value to a vector.

       Parameters
           __n Number of elements to be assigned.
           __val Value to be assigned.

       This function fills a vector with __n copies of the given value. Note that the assignment
       completely changes the vector and that the resulting vector's size is the same as the
       number of elements assigned.

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr reference
       std::vector< _Tp, _Alloc >::at (size_type __n) [inline],  [constexpr]
       Provides access to the data contained in the vector.

       Parameters
           __n The index of the element for which data should be accessed.

       Returns
           Read/write reference to data.

       Exceptions
           std::out_of_range If __n is an invalid index.

       This function provides for safer data access. The parameter is first checked that it is in
       the range of the vector. The function throws out_of_range if the check fails.

       References std::vector< _Tp, _Alloc >::_M_range_check().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr const_reference
       std::vector< _Tp, _Alloc >::at (size_type __n) const [inline],  [constexpr]
       Provides access to the data contained in the vector.

       Parameters
           __n The index of the element for which data should be accessed.

       Returns
           Read-only (constant) reference to data.

       Exceptions
           std::out_of_range If __n is an invalid index.

       This function provides for safer data access. The parameter is first checked that it is in
       the range of the vector. The function throws out_of_range if the check fails.

       References std::vector< _Tp, _Alloc >::_M_range_check().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr const_reference
       std::vector< _Tp, _Alloc >::back () const [inline],  [constexpr],  [noexcept]
       Returns a read-only (constant) reference to the data at the last element of the vector.

       References std::vector< _Tp, _Alloc >::end().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr reference
       std::vector< _Tp, _Alloc >::back () [inline],  [constexpr],  [noexcept]
       Returns a read/write reference to the data at the last element of the vector.

       References std::vector< _Tp, _Alloc >::end().

       Referenced by std::piecewise_constant_distribution< _RealType >::max(), and
       std::piecewise_linear_distribution< _RealType >::max().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr const_iterator
       std::vector< _Tp, _Alloc >::begin () const [inline],  [constexpr],  [noexcept]
       Returns a read-only (constant) iterator that points to the first element in the vector.
       Iteration is done in ordinary element order.

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr iterator
       std::vector< _Tp, _Alloc >::begin () [inline],  [constexpr],  [noexcept]
       Returns a read/write iterator that points to the first element in the vector. Iteration is
       done in ordinary element order.

       Referenced by std::vector< _Tp, _Alloc >::vector(), std::vector< _Tp, _Alloc >::crend(),
       std::vector< _Tp, _Alloc >::empty(), std::vector< _Tp, _Alloc >::erase(), std::vector<
       _Tp, _Alloc >::erase(), std::vector< _Tp, _Alloc >::front(), std::vector< _Tp, _Alloc
       >::front(), std::vector< _Tp, _Alloc >::insert(), std::vector< _Tp, _Alloc >::insert(),
       std::vector< _Tp, _Alloc >::insert(), std::vector< _Tp, _Alloc >::rend(), and std::vector<
       _Tp, _Alloc >::rend().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr size_type
       std::vector< _Tp, _Alloc >::capacity () const [inline],  [constexpr],  [noexcept]
       Returns the total number of elements that the vector can hold before needing to allocate
       more memory.

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr const_iterator
       std::vector< _Tp, _Alloc >::cbegin () const [inline],  [constexpr],  [noexcept]
       Returns a read-only (constant) iterator that points to the first element in the vector.
       Iteration is done in ordinary element order.

       Referenced by std::vector< _Tp, _Alloc >::erase(), std::vector< _Tp, _Alloc >::erase(),
       std::vector< _Tp, _Alloc >::insert(), std::vector< _Tp, _Alloc >::insert(), and
       std::vector< _Tp, _Alloc >::insert().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr const_iterator
       std::vector< _Tp, _Alloc >::cend () const [inline],  [constexpr],  [noexcept]
       Returns a read-only (constant) iterator that points one past the last element in the
       vector. Iteration is done in ordinary element order.

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr void std::vector<
       _Tp, _Alloc >::clear () [inline],  [constexpr],  [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<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr
       const_reverse_iterator std::vector< _Tp, _Alloc >::crbegin () const [inline],
       [constexpr],  [noexcept]
       Returns a read-only (constant) reverse iterator that points to the last element in the
       vector. Iteration is done in reverse element order.

       References std::vector< _Tp, _Alloc >::end().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr
       const_reverse_iterator std::vector< _Tp, _Alloc >::crend () const [inline],  [constexpr],
       [noexcept]
       Returns a read-only (constant) reverse iterator that points to one before the first
       element in the vector. Iteration is done in reverse element order.

       References std::vector< _Tp, _Alloc >::begin().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr _Tp * std::vector<
       _Tp, _Alloc >::data () [inline],  [constexpr],  [noexcept]
       Returns a pointer such that [data(), data() + size()) is a valid range. For a non-empty
       vector, data() == &front().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> template<typename... _Args>
       constexpr iterator std::vector< _Tp, _Alloc >::emplace (const_iterator __position, _Args
       &&... __args) [inline],  [constexpr]
       Inserts an object in vector before specified iterator.

       Parameters
           __position A const_iterator into the vector.
           __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>(args)...) before the specified location. Note that this kind of
       operation could be expensive for a vector and if it is frequently used the user should
       consider using std::list.

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr bool std::vector<
       _Tp, _Alloc >::empty () const [inline],  [constexpr],  [noexcept]
       Returns true if the vector is empty. (Thus begin() would equal end().)

       References std::vector< _Tp, _Alloc >::begin(), and std::vector< _Tp, _Alloc >::end().

       Referenced by std::piecewise_constant_distribution< _RealType >::densities(),
       std::piecewise_linear_distribution< _RealType >::densities(),
       std::piecewise_constant_distribution< _RealType >::intervals(),
       std::piecewise_linear_distribution< _RealType >::intervals(), std::discrete_distribution<
       _IntType >::max(), std::piecewise_constant_distribution< _RealType >::max(),
       std::piecewise_linear_distribution< _RealType >::max(),
       std::piecewise_constant_distribution< _RealType >::min(),
       std::piecewise_linear_distribution< _RealType >::min(), and std::discrete_distribution<
       _IntType >::probabilities().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr const_iterator
       std::vector< _Tp, _Alloc >::end () const [inline],  [constexpr],  [noexcept]
       Returns a read-only (constant) iterator that points one past the last element in the
       vector. Iteration is done in ordinary element order.

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr iterator
       std::vector< _Tp, _Alloc >::end () [inline],  [constexpr],  [noexcept]
       Returns a read/write iterator that points one past the last element in the vector.
       Iteration is done in ordinary element order.

       Referenced by std::vector< _Tp, _Alloc >::vector(), std::vector< _Tp, _Alloc >::back(),
       std::vector< _Tp, _Alloc >::back(), std::vector< _Tp, _Alloc >::crbegin(), std::vector<
       _Tp, _Alloc >::empty(), std::vector< _Tp, _Alloc >::push_back(), std::vector< _Tp, _Alloc
       >::rbegin(), std::vector< _Tp, _Alloc >::rbegin(), and std::vector< _Tp, _Alloc
       >::resize().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr iterator
       std::vector< _Tp, _Alloc >::erase (const_iterator __first, const_iterator __last)
       [inline],  [constexpr]
       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 vector
       accordingly.

       Note This operation could be expensive and if it is frequently used the user should
       consider using std::list. 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::vector< _Tp, _Alloc >::begin(), and std::vector< _Tp, _Alloc >::cbegin().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr iterator
       std::vector< _Tp, _Alloc >::erase (const_iterator __position) [inline],  [constexpr]
       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 vector by
       one.

       Note This operation could be expensive and if it is frequently used the user should
       consider using std::list. 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.

       References std::vector< _Tp, _Alloc >::begin(), and std::vector< _Tp, _Alloc >::cbegin().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr const_reference
       std::vector< _Tp, _Alloc >::front () const [inline],  [constexpr],  [noexcept]
       Returns a read-only (constant) reference to the data at the first element of the vector.

       References std::vector< _Tp, _Alloc >::begin().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr reference
       std::vector< _Tp, _Alloc >::front () [inline],  [constexpr],  [noexcept]
       Returns a read/write reference to the data at the first element of the vector.

       References std::vector< _Tp, _Alloc >::begin().

       Referenced by std::piecewise_constant_distribution< _RealType >::min(), and
       std::piecewise_linear_distribution< _RealType >::min().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr allocator_type
       std::_Vector_base< _Tp, _Alloc >::get_allocator () const [inline],  [constexpr],
       [noexcept]
       Get a copy of the memory allocation object.

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> template<typename
       _InputIterator , typename  = std::_RequireInputIter<_InputIterator>> constexpr iterator
       std::vector< _Tp, _Alloc >::insert (const_iterator __position, _InputIterator __first,
       _InputIterator __last) [inline],  [constexpr]
       Inserts a range into the vector.

       Parameters
           __position A const_iterator into the vector.
           __first An input iterator.
           __last An input iterator.

       Returns
           An iterator that points to the inserted data.

       This function will insert copies of the data in the range [__first,__last) into the vector
       before the location specified by pos.

       Note that this kind of operation could be expensive for a vector and if it is frequently
       used the user should consider using std::list.

       References std::__iterator_category(), std::vector< _Tp, _Alloc >::begin(), and
       std::vector< _Tp, _Alloc >::cbegin().

   template<typename _Tp , typename _Alloc > constexpr vector< _Tp, _Alloc >::iterator
       vector::insert (const_iterator __position, const value_type & __x) [constexpr]
       Inserts given value into vector before specified iterator.

       Parameters
           __position A const_iterator into the vector.
           __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. Note
       that this kind of operation could be expensive for a vector and if it is frequently used
       the user should consider using std::list.

       References std::begin(), std::cbegin(), std::end(), and std::move().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr iterator
       std::vector< _Tp, _Alloc >::insert (const_iterator __position, initializer_list<
       value_type > __l) [inline],  [constexpr]
       Inserts an initializer_list into the vector.

       Parameters
           __position An iterator into the vector.
           __l An initializer_list.

       This function will insert copies of the data in the initializer_list l into the vector
       before the location specified by position.

       Note that this kind of operation could be expensive for a vector and if it is frequently
       used the user should consider using std::list.

       References std::vector< _Tp, _Alloc >::begin(), and std::vector< _Tp, _Alloc >::cbegin().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr iterator
       std::vector< _Tp, _Alloc >::insert (const_iterator __position, size_type __n, const
       value_type & __x) [inline],  [constexpr]
       Inserts a number of copies of given data into the vector.

       Parameters
           __position A const_iterator into the vector.
           __n Number of elements to be inserted.
           __x Data to be inserted.

       Returns
           An iterator that points to the inserted data.

       This function will insert a specified number of copies of the given data before the
       location specified by position.

       Note that this kind of operation could be expensive for a vector and if it is frequently
       used the user should consider using std::list.

       References std::vector< _Tp, _Alloc >::begin(), and std::vector< _Tp, _Alloc >::cbegin().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr iterator
       std::vector< _Tp, _Alloc >::insert (const_iterator __position, value_type && __x)
       [inline],  [constexpr]
       Inserts given rvalue into vector before specified iterator.

       Parameters
           __position A const_iterator into the vector.
           __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. Note
       that this kind of operation could be expensive for a vector and if it is frequently used
       the user should consider using std::list.

       References std::move().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr size_type
       std::vector< _Tp, _Alloc >::max_size () const [inline],  [constexpr],  [noexcept]
       Returns the size() of the largest possible vector.

   template<typename _Tp , typename _Alloc > constexpr vector< _Tp, _Alloc > & vector::operator=
       (const vector< _Tp, _Alloc > & __x) [constexpr]
       Vector assignment operator.

       Parameters
           __x A vector of identical element and allocator types.

       All the elements of __x are copied, but any unused capacity in __x will not be copied.

       Whether the allocator is copied depends on the allocator traits.

       References std::__addressof(), std::_Destroy(), std::begin(), std::end(), and std::size().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr vector &
       std::vector< _Tp, _Alloc >::operator= (initializer_list< value_type > __l) [inline],
       [constexpr]
       Vector list assignment operator.

       Parameters
           __l An initializer_list.

       This function fills a vector with copies of the elements in the initializer list __l.

       Note that the assignment completely changes the vector and that the resulting vector's
       size is the same as the number of elements assigned.

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr vector &
       std::vector< _Tp, _Alloc >::operator= (vector< _Tp, _Alloc > && __x) [inline],
       [constexpr],  [noexcept]
       Vector move assignment operator.

       Parameters
           __x A vector of identical element and allocator types.

       The contents of __x are moved into this vector (without copying, if the allocators permit
       it). Afterwards __x is a valid, but unspecified vector.

       Whether the allocator is moved depends on the allocator traits.

       References std::move().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr const_reference
       std::vector< _Tp, _Alloc >::operator[] (size_type __n) const [inline],  [constexpr],
       [noexcept]
       Subscript access to the data contained in the vector.

       Parameters
           __n The index of the element for which data should be accessed.

       Returns
           Read-only (constant) reference to data.

       This operator allows for easy, array-style, data access. Note that data access with this
       operator is unchecked and out_of_range lookups are not defined. (For checked lookups see
       at().)

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr reference
       std::vector< _Tp, _Alloc >::operator[] (size_type __n) [inline],  [constexpr],  [noexcept]
       Subscript access to the data contained in the vector.

       Parameters
           __n The index of the element for which data should be accessed.

       Returns
           Read/write reference to data.

       This operator allows for easy, array-style, data access. Note that data access with this
       operator is unchecked and out_of_range lookups are not defined. (For checked lookups see
       at().)

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr void std::vector<
       _Tp, _Alloc >::pop_back () [inline],  [constexpr],  [noexcept]
       Removes last element. This is a typical stack operation. It shrinks the vector by one.

       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<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr void std::vector<
       _Tp, _Alloc >::push_back (const value_type & __x) [inline],  [constexpr]
       Add data to the end of the vector.

       Parameters
           __x Data to be added.

       This is a typical stack operation. The function creates an element at the end of the
       vector and assigns the given data to it. Due to the nature of a vector this operation can
       be done in constant time if the vector has preallocated space available.

       References std::vector< _Tp, _Alloc >::end().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr
       const_reverse_iterator std::vector< _Tp, _Alloc >::rbegin () const [inline],  [constexpr],
       [noexcept]
       Returns a read-only (constant) reverse iterator that points to the last element in the
       vector. Iteration is done in reverse element order.

       References std::vector< _Tp, _Alloc >::end().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr reverse_iterator
       std::vector< _Tp, _Alloc >::rbegin () [inline],  [constexpr],  [noexcept]
       Returns a read/write reverse iterator that points to the last element in the vector.
       Iteration is done in reverse element order.

       References std::vector< _Tp, _Alloc >::end().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr
       const_reverse_iterator std::vector< _Tp, _Alloc >::rend () const [inline],  [constexpr],
       [noexcept]
       Returns a read-only (constant) reverse iterator that points to one before the first
       element in the vector. Iteration is done in reverse element order.

       References std::vector< _Tp, _Alloc >::begin().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr reverse_iterator
       std::vector< _Tp, _Alloc >::rend () [inline],  [constexpr],  [noexcept]
       Returns a read/write reverse iterator that points to one before the first element in the
       vector. Iteration is done in reverse element order.

       References std::vector< _Tp, _Alloc >::begin().

   template<typename _Tp , typename _Alloc > constexpr void vector::reserve (size_type __n)
       [constexpr]
       Attempt to preallocate enough memory for specified number of elements.

       Parameters
           __n Number of elements required.

       Exceptions
           std::length_error If n exceeds max_size().

       This function attempts to reserve enough memory for the vector to hold the specified
       number of elements. If the number requested is more than max_size(), length_error is
       thrown.

       The advantage of this function is that if optimal code is a necessity and the user can
       determine the number of elements that will be required, the user can reserve the memory in
       advance, and thus prevent a possible reallocation of memory and copying of vector data.

       References std::_Destroy(), and std::size().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr void std::vector<
       _Tp, _Alloc >::resize (size_type __new_size) [inline],  [constexpr]
       Resizes the vector to the specified number of elements.

       Parameters
           __new_size Number of elements the vector should contain.

       This function will resize the vector to the specified number of elements. If the number is
       smaller than the vector's current size the vector is truncated, otherwise default
       constructed elements are appended.

       References std::vector< _Tp, _Alloc >::size().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr void std::vector<
       _Tp, _Alloc >::resize (size_type __new_size, const value_type & __x) [inline],
       [constexpr]
       Resizes the vector to the specified number of elements.

       Parameters
           __new_size Number of elements the vector should contain.
           __x Data with which new elements should be populated.

       This function will resize the vector to the specified number of elements. If the number is
       smaller than the vector's current size the vector is truncated, otherwise the vector is
       extended and new elements are populated with given data.

       References std::vector< _Tp, _Alloc >::end(), and std::vector< _Tp, _Alloc >::size().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr void std::vector<
       _Tp, _Alloc >::shrink_to_fit () [inline],  [constexpr]
       A non-binding request to reduce capacity() to size().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr size_type
       std::vector< _Tp, _Alloc >::size () const [inline],  [constexpr],  [noexcept]
       Returns the number of elements in the vector.

       Referenced by std::vector< _Tp, _Alloc >::_M_range_check(), std::discrete_distribution<
       _IntType >::max(), std::vector< _Tp, _Alloc >::resize(), and std::vector< _Tp, _Alloc
       >::resize().

   template<typename _Tp , typename _Alloc  = std::allocator<_Tp>> constexpr void std::vector<
       _Tp, _Alloc >::swap (vector< _Tp, _Alloc > & __x) [inline],  [constexpr],  [noexcept]
       Swaps data with another vector.

       Parameters
           __x A vector of the same element and allocator types.

       This exchanges the elements between two vectors in constant time. (Three pointers, so it
       should be quite fast.) Note that the global std::swap() function is specialized such that
       std::swap(v1,v2) will feed to this function.

       Whether the allocators are swapped depends on the allocator traits.

Author

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