std::back_insert_iterator — cppreference.com

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Déclaré dans l'en-tête `<iterator>`
`template< class Container > class back_insert_iterator : public std::iterator< std::output_iterator_tag, void,void,void,void >`

std::back_insert_iterator est un OutputIterator qui ajoute à un conteneur pour lequel il a été construit, en utilisant la fonction du conteneur push_back() membre lorsque l'itérateur (que ce soit déréférencé ou non) est assigné. L'incrémentation du std::back_insert_iterator est un no-op .

Original:

std::back_insert_iterator is an OutputIterator that appends to a container for which it was constructed, using the container's push_back() member function whenever the iterator (whether dereferenced or not) is assigned to. Incrementing the std::back_insert_iterator is a no-op.

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Types de membres


Type du membre	Définition

`container_type`	`Container`

Fonctions membres

Modèle:cpp/iterator/inserter/dsc operator++


(constructeur)	construit un nouveau `back_insert_iterator` Original: constructs a new `back_insert_iterator` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction membre publique) [edit]

operator=	insère un objet dans le récipient associé Original: inserts an object into the associated container The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction membre publique) [edit]

operator*	no-op (fonction membre publique) [edit]

Objets membres


Nom du membre Original: Member name The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.	Definition

`container` ( protégée Original: protected The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. )	un pointeur de `Container` type Original: a pointer of type `Container` The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Inherited from std::iterator

Member types


Type du membre	Définition

`value_type`	`void`

`difference_type`	`void`

`pointer`	`void`

`reference`	`void`

`iterator_category`	`std::output_iterator_tag`

Exemple

#include <iostream>
#include <iterator>
#include <algorithm>
#include <cstdlib>
int main()
{
    std::vector<int> v;
    std::generate_n(std::back_insert_iterator<std::vector<int>>(v), // can be simplified
                    10, [](){return std::rand()%10;});        // with std::back_inserter
    for(int n : v)
        std::cout << n << ' ';
    std::cout << '\n';
}

Résultat :

Voir aussi


back_inserter	crée un std::back_insert_iterator de type inféré à partir de l'argument Original: creates a std::back_insert_iterator of type inferred from the argument The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique) [edit]

front_insert_iterator	Adaptateur itérateur pour l'insertion à l'avant d'un conteneur Original: iterator adaptor for insertion at the front of a container The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (classe générique) [edit]

insert_iterator	Adaptateur itérateur pour l'insertion dans un récipient Original: iterator adaptor for insertion into a container The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (classe générique) [edit]