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std::back_inserter

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< cpp‎ | iterator

 
 
Bibliothèque Iterator
Primitives Iterator
Original:
Iterator primitives
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iterator_traits
input_iterator_tag
output_iterator_tag
forward_iterator_tag
bidirectional_iterator_tag
random_access_iterator_tag
iterator
Adaptateurs Iterator
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Iterator adaptors
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reverse_iterator
Itérateurs de flux
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Stream iterators
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istream_iterator
ostream_iterator
istreambuf_iterator
ostreambuf_iterator
Opérations Iterator
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Iterator operations
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advance
distance
prev (C++11)
next (C++11)
Gamme d'accès
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Range access
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begin (C++11)
end (C++11)
 
Defined in header <iterator>
template< class Container >
std::back_insert_iterator<Container> back_inserter( Container& c);
back_inserter est un modèle de fonction de confort qui construit un std::back_insert_iterator pour la c récipient avec le type déduit du type de l'argument .
Original:
back_inserter is a convenience function template that constructs a std::back_insert_iterator for the container c with the type deduced from the type of the argument.
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Sommaire

[modifier] Paramètres

c -
conteneur prenant en charge une opération push_back
Original:
container that supports a push_back operation
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[modifier] Retourne la valeur

Un std::back_insert_iterator qui peut être utilisé pour ajouter des éléments à la fin de la c récipient
Original:
A std::back_insert_iterator which can be used to add elements to the end of the container c
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[modifier] Mise en œuvre possible

template< class Container >
std::back_insert_iterator<Container> back_inserter( Container& c)
{
    return std::back_insert_iterator<Container>(c);
}

[modifier] Exemple

#include <iostream>
#include <vector>
#include <algorithm>
#include <iterator>
int main()
{
    std::vector<int> v{1,2,3,4,5,6,7,8,9,10};
    std::fill_n(std::back_inserter(v), 3, -1);
    for(int n : v)
        std::cout << n << ' ';
}

Résultat :

1 2 3 4 5 6 7 8 9 10 -1 -1 -1

[modifier] Voir aussi

Adaptateur itérateur pour l'insertion à la fin d'un récipient
Original:
iterator adaptor for insertion at the end of a container
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(classe générique) [edit]
crée un std::front_insert_iterator de type inféré à partir de l'argument
Original:
creates a std::front_insert_iterator of type inferred from the argument
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(fonction générique) [edit]
crée un std::insert_iterator de type inféré à partir de l'argument
Original:
creates a std::insert_iterator of type inferred from the argument
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(fonction générique) [edit]