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std::back_insert_iterator.3cxx

NAME

std::back_insert_iterator -

Turns assignment into insertion.

SYNOPSIS

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

Public Types

typedef _Container container_type

typedef void difference_type

typedef output_iterator_tag iterator_category

typedef void pointer

typedef void reference

typedef void value_type

Public Member Functions

back_insert_iterator (_Container &__x)

back_insert_iterator & operator* ()

back_insert_iterator & operator++ ()

back_insert_iterator operator++ (int)

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

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

Protected Attributes

_Container * container

Detailed Description

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

Turns assignment into insertion.

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 389 of file stl_iterator.h.

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 397 of file stl_iterator.h.

typedef void std::iterator< output_iterator_tag , void , void , void , void >::difference_type [inherited]

Distance between iterators is represented as this type.

Definition at line 111 of file stl_iterator_base_types.h.

typedef output_iterator_tag std::iterator< output_iterator_tag , void , void , void , void >::iterator_category [inherited]

One of the tag types.

Definition at line 107 of file stl_iterator_base_types.h.

typedef void std::iterator< output_iterator_tag , void , void , void , void >::pointer [inherited]

This type represents a pointer-to-value_type.

Definition at line 113 of file stl_iterator_base_types.h.

typedef void std::iterator< output_iterator_tag , void , void , void , void >::reference [inherited]

This type represents a reference-to-value_type.

Definition at line 115 of file stl_iterator_base_types.h.

typedef void std::iterator< output_iterator_tag , void , void , void , void >::value_type [inherited]

The type 'pointed to' by the iterator.

Definition at line 109 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 401 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 432 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 442 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 437 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 415 of file stl_iterator.h.

Author

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