man std::back_insert_iterator (Fonctions bibliothèques) - Turns assignment into insertion.

NAME

std::back_insert_iterator - Turns assignment into insertion.

SYNOPSIS



#include <iterator>

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

Public Types

typedef Container container_type

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

One of the tag types. typedef void value_type

The type 'pointed to' by the iterator. typedef void difference_type

Distance between iterators is represented as this type. typedef void pointer

This type represents a pointer-to-value_type. typedef void reference

This type represents a reference-to-value_type.

Public Member Functions

back_insert_iterator (Container &x)

The only way to create this iterator is with a container. back_insert_iterator & operator= (typename Container::const_reference value)

back_insert_iterator & operator * ()

Simply returns *this. back_insert_iterator & operator++ ()

Simply returns *this. (This iterator does not 'move'.). back_insert_iterator operator++ (int)

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

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 336 of file iterator.

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 344 of file iterator.

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 113 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 109 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 115 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 117 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 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 348 of file iterator.

Member Function Documentation

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

Simply returns *this.

Definition at line 370 of file iterator.

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 380 of file iterator.

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

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

Definition at line 375 of file iterator.

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 362 of file iterator.

Author

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