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std::back_insert_iterator

NAME

std::back_insert_iterator -

SYNOPSIS

Inherits std::iterator< std::output_iterator_tag, void, void, void, void >.

Detailed Description

template<typename _Container> class std::back_insert_iterator< _Container >

These are output iterators, constructed from a container-of-T. Assigning a T to the iterator appends it to the container using push_back.

Tip: Using the back_inserter function to create these iterators can save typing.

Definition at line 385 of file stl_iterator.h.

Public Types

typedef _Container container_type

typedef _Distance difference_type

typedef _Category iterator_category

typedef _Pointer pointer

typedef _Reference reference

typedef _Tp value_type

Public Member Functions

back_insert_iterator (_Container &__x)

back_insert_iterator & operator* ()

back_insert_iterator operator++ (int)

back_insert_iterator & operator++ ()

back_insert_iterator & operator= (typename _Container::const_reference __value)

Protected Attributes

_Container * container

Member Typedef Documentation

template<typename _Container> typedef _Container std::back_insert_iterator< _Container >::container_type

A nested typedef for the type of whatever container you used.

Definition at line 393 of file stl_iterator.h.

template<typename _Category, typename _Tp, typename _Distance = ptrdiff_t, typename _Pointer = _Tp*, typename _Reference = _Tp&> typedef _Distance std::iterator< _Category, _Tp, _Distance, _Pointer, _Reference >::difference_type [inherited]

Distance between iterators is represented as this type.

Reimplemented in std::reverse_iterator< _Iterator >.

Definition at line 113 of file stl_iterator_base_types.h.

template<typename _Category, typename _Tp, typename _Distance = ptrdiff_t, typename _Pointer = _Tp*, typename _Reference = _Tp&> typedef _Category std::iterator< _Category, _Tp, _Distance, _Pointer, _Reference >::iterator_category [inherited]

One of the tag types.

Definition at line 109 of file stl_iterator_base_types.h.

template<typename _Category, typename _Tp, typename _Distance = ptrdiff_t, typename _Pointer = _Tp*, typename _Reference = _Tp&> typedef _Pointer std::iterator< _Category, _Tp, _Distance, _Pointer, _Reference >::pointer [inherited]

This type represents a pointer-to-value_type.

Reimplemented in std::reverse_iterator< _Iterator >.

Definition at line 115 of file stl_iterator_base_types.h.

template<typename _Category, typename _Tp, typename _Distance = ptrdiff_t, typename _Pointer = _Tp*, typename _Reference = _Tp&> typedef _Reference std::iterator< _Category, _Tp, _Distance, _Pointer, _Reference >::reference [inherited]

This type represents a reference-to-value_type.

Reimplemented in std::reverse_iterator< _Iterator >.

Definition at line 117 of file stl_iterator_base_types.h.

template<typename _Category, typename _Tp, typename _Distance = ptrdiff_t, typename _Pointer = _Tp*, typename _Reference = _Tp&> typedef _Tp std::iterator< _Category, _Tp, _Distance, _Pointer, _Reference >::value_type [inherited]

The type 'pointed to' by the iterator.

Definition at line 111 of file stl_iterator_base_types.h.

Constructor & Destructor Documentation

template<typename _Container> std::back_insert_iterator< _Container >::back_insert_iterator (_Container & __x) [inline, explicit]

The only way to create this iterator is with a container.

Definition at line 397 of file stl_iterator.h.

Member Function Documentation

template<typename _Container> back_insert_iterator& std::back_insert_iterator< _Container >::operator* () [inline]

Simply returns *this.

Definition at line 419 of file stl_iterator.h.

template<typename _Container> back_insert_iterator std::back_insert_iterator< _Container >::operator++ (int) [inline]

Simply returns *this. (This iterator does not 'move'.).

Definition at line 429 of file stl_iterator.h.

template<typename _Container> back_insert_iterator& std::back_insert_iterator< _Container >::operator++ () [inline]

Simply returns *this. (This iterator does not 'move'.).

Definition at line 424 of file stl_iterator.h.

template<typename _Container> back_insert_iterator& std::back_insert_iterator< _Container >::operator= (typename _Container::const_reference __value) [inline]

Parameters:

value An instance of whatever type container_type::const_reference is; presumably a reference-to-const T for container<T>.

Returns:

This iterator, for chained operations.

This kind of iterator doesn't really have a 'position' in the container (you can think of the position as being permanently at the end, if you like). Assigning a value to the iterator will always append the value to the end of the container.

Definition at line 411 of file stl_iterator.h.

Author

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