Standard library header <forward_list>

From cppreference.com
< cpplrm; | header

This header is part of the containers library.

Includes

<initializer_list>(C++11)

Classes

singly-linked list
(class template)

Functions

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


Synopsis

#include <initializer_list>

namespace std {

template <class T, class Allocator = allocator<T> > class forward_list;

template <class T, class Allocator>
    bool operator==(const forward_list<T,Allocator>& x, 
                            const forward_list<T,Allocator>& y);
template <class T, class Allocator>
    bool operator< (const forward_list<T,Allocator>& x, 
                    const forward_list<T,Allocator>& y);
template <class T, class Allocator>
    bool operator!=(const forward_list<T,Allocator>& x, 
                        const forward_list<T,Allocator>& y);
template <class T, class Allocator>
    bool operator> (const forward_list<T,Allocator>& x, 
                    const forward_list<T,Allocator>& y);
template <class T, class Allocator>
    bool operator>=(const forward_list<T,Allocator>& x, 
                        const forward_list<T,Allocator>& y);
template <class T, class Allocator>
    bool operator<=(const forward_list<T,Allocator>& x, 
                        const forward_list<T,Allocator>& y);

template <class T, class Allocator>
    void swap(forward_list<T,Allocator>& x, forward_list<T,Allocator>& y);

}

Class std::forward_list

template <class T, class Allocator = allocator<T> >
class forward_list {
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;

    // construct/copy/destroy:
    explicit forward_list(const Allocator& = Allocator());
    explicit forward_list(size_type n);
    forward_list(size_type n, const T& value,const Allocator& = Allocator());
    template <class InputIterator>
        forward_list(InputIterator first, InputIterator last,
                     const Allocator& = Allocator());
    forward_list(const forward_list<T,Allocator>& x);
    forward_list(forward_list&&);
    forward_list(const forward_list&, const Allocator&);
    forward_list(forward_list&&, const Allocator&);
    forward_list(initializer_list<T>, const Allocator& = Allocator());

    ~forward_list();
    forward_list<T,Allocator>& operator=(const forward_list<T,Allocator>& x);
    forward_list<T,Allocator>& operator=(forward_list<T,Allocator>&& x);
    forward_list& 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                before_begin() noexcept;
    const_iterator          before_begin() const noexcept;
    iterator                begin() noexcept;
    const_iterator          begin() const noexcept;
    iterator                end() noexcept;
    const_iterator          end() const noexcept;

    const_iterator          cbegin() noexcept;
    const_iterator          cbefore_begin() const noexcept;
    const_iterator          cend() noexcept;

    // capacity:
    size_type max_size() const noexcept;
    bool      empty() const noexcept;

    // element access:
    reference       front();
    const_reference front() const;

    // modifiers:
    template <class... Args> void emplace_front(Args&&... args);

    void push_front(const T& x);
    void push_front(T&& x);
    void pop_front();

    template <class... Args> 
        iterator emplace_after(const_iterator position, Args&&... args);
    iterator insert_after(const_iterator position, const T& x);
    iterator insert_after(const_iterator position, T&& x);

    iterator insert_after(const_iterator position, size_type n, const T& x);
    template <class InputIterator>
        iterator insert_after(const_iterator position, InputIterator first, 
                              InputIterator last);
    iterator insert_after(const_iterator position, initializer_list<T> il);

    iterator erase_after(const_iterator position);
    iterator erase_after(const_iterator position, iterator last);
    void swap(forward_list<T,Allocator>&);

    void resize(size_type sz);
    void resize(size_type sz, const value_type& c);
    void clear() noexcept;

    // forward_list operations:
    void splice_after(const_iterator position, forward_list<T,Allocator>& x);
    void splice_after(const_iterator position, forward_list<T,Allocator>&& x);
    void splice_after(const_iterator position, forward_list<T,Allocator>& x,
                    const_iterator i);
    void splice_after(const_iterator position, forward_list<T,Allocator>&& x,
                    const_iterator i);
    void splice_after(const_iterator position, forward_list<T,Allocator>& x,
                    const_iterator first, const_iterator last);
    void splice_after(const_iterator position, forward_list<T,Allocator>&& x,
                    const_iterator first, const_iterator last);

    void remove(const T& value);
    template <class Predicate> void remove_if(Predicate pred);

    void unique();
    template <class BinaryPredicate> void unique(BinaryPredicate binary_pred);

    void merge(forward_list<T,Allocator>& x);
    void merge(forward_list<T,Allocator>&& x);
    template <class Compare> void merge(forward_list<T,Allocator>& x, Compare comp);
    template <class Compare> void merge(forward_list<T,Allocator>&& x, Compare comp);

    void sort();
    template <class Compare> void sort(Compare comp);
    void reverse() noexcept;
};