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vector

This header is part of the containers library.

Includes

<initializer_list>(C++11)

Classes

dynamic contiguous array
(class template)
space-efficient dynamic bitset
(class template specialization)
(C++11)
 hash support for std::vector<bool>
(class template specialization)

Functions

lexicographically compares the values in the vector
(function template)
specializes the std::swap algorithm
(function template)

Synopsis

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#include <initializer_list>
namespace std {
    template <class T, class Allocator = allocator<T> > class vector;
  
    template <class T, class Allocator>
        bool operator==(const vector<T,Allocator>& x,const vector<T,Allocator>& y);
    template <class T, class Allocator>
        bool operator< (const vector<T,Allocator>& x,const vector<T,Allocator>& y);
    template <class T, class Allocator>
        bool operator!=(const vector<T,Allocator>& x,const vector<T,Allocator>& y);
    template <class T, class Allocator>
        bool operator> (const vector<T,Allocator>& x,const vector<T,Allocator>& y);
    template <class T, class Allocator>
        bool operator>=(const vector<T,Allocator>& x,const vector<T,Allocator>& y);
    template <class T, class Allocator>
        bool operator<=(const vector<T,Allocator>& x,const vector<T,Allocator>& y);
  
    template <class T, class Allocator>
        void swap(vector<T,Allocator>& x, vector<T,Allocator>& y);
  
    template <class Allocator> class vector<bool,Allocator>;
  
    // hash support
    template <class T> struct hash;
    template <class Allocator> struct hash<vector<bool, Allocator> >;
}

Class std::vector

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template <class T, class Allocator = allocator<T> >
class vector {
public:
    // types:
    typedef value_type&                                         reference;
    typedef const value_type&                                   const_reference;
    typedef /*implementation-defined*/                          iterator;
    typedef /*implementation-defined*/                          const_iterator;
    typedef /*implementation-defined*/                          size_type;
    typedef /*implementation-defined*/                          difference_type;
    typedef T                                                   value_type;
    typedef Allocator                                           allocator_type;
    typedef typename allocator_traits<Allocator>::pointer       pointer;
    typedef typename allocator_traits<Allocator>::const_pointer const_pointer;
    typedef std::reverse_iterator<iterator>                     reverse_iterator;
    typedef std::reverse_iterator<const_iterator>               const_reverse_iterator;
  
    // construct/copy/destroy:
    explicit vector(const Allocator& = Allocator());
    explicit vector(size_type n);
    vector(size_type n, const T& value,const Allocator& = Allocator());
    template <class InputIterator>
        vector(InputIterator first, InputIterator last,const Allocator& = Allocator());
    vector(const vector<T,Allocator>& x);
    vector(vector&&);
    vector(const vector&, const Allocator&);
    vector(vector&&, const Allocator&);
    vector(initializer_list<T>, const Allocator& = Allocator());
  
    ~vector();
    vector<T,Allocator>& operator=(const vector<T,Allocator>& x);
    vector<T,Allocator>& operator=(vector<T,Allocator>&& x);
    vector& operator=(initializer_list<T>);
    template <class InputIterator>
        void assign(InputIterator first, InputIterator last);
    void assign(size_type n, const T& t);
    void assign(initializer_list<T>);
    allocator_type get_allocator() const noexcept;
  
    // iterators:
    iterator                begin() noexcept;
    const_iterator          begin() const noexcept;
    iterator                end() noexcept;
    const_iterator          end() const noexcept;
  
    reverse_iterator        rbegin() noexcept;
    const_reverse_iterator  rbegin() const noexcept;
    reverse_iterator        rend() noexcept;
    const_reverse_iterator  rend() const noexcept;
  
    const_iterator          cbegin() noexcept;
    const_iterator          cend() noexcept;
    const_reverse_iterator  crbegin() const noexcept;
    const_reverse_iterator  crend() const noexcept;
  
    // capacity:
    size_type size() const noexcept;
    size_type max_size() const noexcept;
    void      resize(size_type sz);
    void      resize(size_type sz, const T& c);
    size_type capacity() const noexcept;
    bool      empty() const noexcept;
    void      reserve(size_type n);
    void      shrink_to_fit();
  
    // element access:
    reference       operator[](size_type n);
    const_reference operator[](size_type n) const;
    reference       at(size_type n);
    const_reference at(size_type n) const;
    reference       front();
    const_reference front() const;
    reference       back();
    const_reference back() const;
  
    //data access
    T*       data() noexcept;
    const T* data() const noexcept;
  
    // modifiers:
    template <class... Args> void emplace_back(Args&&... args);
    void push_back(const T& x);
    void push_back(T&& x);
    void pop_back();
  
    template <class... Args> iterator emplace(const_iterator position, Args&&... args);
    iterator insert(const_iterator position, const T& x);
    iterator insert(const_iterator position, T&& x);
    iterator insert(const_iterator position, size_type n, const T& x);
    template <class InputIterator>
        iterator insert (const_iterator position, InputIterator first,
                         InputIterator last);
    iterator insert(const_iterator position, initializer_list<T>);
  
    iterator erase(const_iterator position);
    iterator erase(const_iterator first, const_iterator last);
    void     swap(vector<T,Allocator>&);
    void     clear() noexcept;
};

Specialization std::vector<bool>

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template <class bool, class Allocator = allocator<bool> >
class vector {
public:
    // types:
    typedef bool                                                const_reference;
    typedef /*implementation-defined*/                          iterator;
    typedef /*implementation-defined*/                          const_iterator;
    typedef /*implementation-defined*/                          size_type;
    typedef /*implementation-defined*/                          difference_type;
    typedef bool                                                value_type;
    typedef Allocator                                           allocator_type;
    typedef /*implementation-defined*/                          pointer;
    typedef /*implementation-defined*/                          const_pointer;
    typedef std::reverse_iterator<iterator>                     reverse_iterator;
    typedef std::reverse_iterator<const_iterator>               const_reverse_iterator;
  
    // bit reference:
    class reference {
        friend class vector;
        reference() noexcept;
    public:
        ~reference();
        operator bool() const noexcept;
        reference& operator=(const bool x) noexcept;
        reference& operator=(const reference& x) noexcept;
        void flip() noexcept; // flips the bit
    };
  
    // construct/copy/destroy:
    explicit vector(const Allocator& = Allocator());
    explicit vector(size_type n);
    vector(size_type n, const bool& value,const Allocator& = Allocator());
    template <class InputIterator>
        vector(InputIterator first, InputIterator last,const Allocator& = Allocator());
    vector(const vector<bool,Allocator>& x);
    vector(vector&&);
    vector(const vector&, const Allocator&);
    vector(vector&&, const Allocator&);
    vector(initializer_list<bool>, const Allocator& = Allocator());
  
    ~vector();
    vector<bool,Allocator>& operator=(const vector<bool,Allocator>& x);
    vector<bool,Allocator>& operator=(vector<bool,Allocator>&& x);
    vector& operator=(initializer_list<bool>);
    template <class InputIterator>
        void assign(InputIterator first, InputIterator last);
    void assign(size_type n, const bool& t);
    void assign(initializer_list<bool>);
    allocator_type get_allocator() const noexcept;
  
    // iterators:
    iterator                begin() noexcept;
    const_iterator          begin() const noexcept;
    iterator                end() noexcept;
    const_iterator          end() const noexcept;
  
    reverse_iterator        rbegin() noexcept;
    const_reverse_iterator  rbegin() const noexcept;
    reverse_iterator        rend() noexcept;
    const_reverse_iterator  rend() const noexcept;
  
    const_iterator          cbegin() noexcept;
    const_iterator          cend() noexcept;
    const_reverse_iterator  crbegin() const noexcept;
    const_reverse_iterator  crend() const noexcept;
  
    // capacity:
    size_type size() const noexcept;
    size_type max_size() const noexcept;
    void      resize(size_type sz);
    void      resize(size_type sz, const bool& c);
    size_type capacity() const noexcept;
    bool      empty() const noexcept;
    void      reserve(size_type n);
    void      shrink_to_fit();
  
    // element access:
    reference       operator[](size_type n);
    const_reference operator[](size_type n) const;
    reference       at(size_type n);
    const_reference at(size_type n) const;
    reference       front();
    const_reference front() const;
    reference       back();
    const_reference back() const;
  
    // modifiers:
    template <class... Args> void emplace_back(Args&&... args);
    void push_back(const bool& x);
    void push_back(bool&& x);
    void pop_back();
  
    template <class... Args> iterator emplace(const_iterator position, Args&&... args);
    iterator insert(const_iterator position, const bool& x);
    iterator insert(const_iterator position, bool&& x);
    iterator insert(const_iterator position, size_type n, const bool& x);
    template <class InputIterator>
        iterator insert (const_iterator position, InputIterator first,
                         InputIterator last);
    iterator insert(const_iterator position, initializer_list<bool>);
  
    iterator erase(const_iterator position);
    iterator erase(const_iterator first, const_iterator last);
    void     swap(vector<bool,Allocator>&);
    void     flip() noexcept;// flips all bits
    void     clear() noexcept;
};
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2025-01-10 15:47:30
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