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std::fill — cppreference.com

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Déclaré dans l'en-tête

<algorithm>

template< class ForwardIt, class T > void fill( ForwardIt first, ForwardIt last, const T& value );

Affecte la value donnée aux éléments de la gamme [first, last) .

Original:

Assigns the given value to the elements in the range [first, last).

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Paramètres

first, last -

l'ensemble d'éléments à modifier

Original:

the range of elements to modify

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value -

la valeur à affecter

Original:

the value to be assigned

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Type requirements
-ForwardIt must meet the requirements of ForwardIterator.

Retourne la valeur

(Aucun)

Original:

(none)

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Complexité

Exactement last - first missions .

Original:

Exactly last - first assignments.

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Mise en œuvre possible

template< class ForwardIt, class T >
void fill(ForwardIt first, ForwardIt last, const T& value)
{
    for (; first != last; ++first) {
        *first = value;
    }
}

Exemple

Le code suivant utilise fill() de définir tous les éléments d'un vecteur d'entiers à -1:

Original:

The following code uses fill() to set all of the elements of a vector of integers to -1:

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#include <algorithm>
#include <vector>
#include <iostream>
 
int main()
{
    int data[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }
    std::vector<int> v1(data, data+10);
 
    std::fill(v1.begin(), v1.end(), -1);
 
    for (vector<int>::iterator it = v1.begin(); it != v1.end(); ++it) {
        std::cout << *it << " ";
    }
    std::cout << "\n";
}

Résultat :

-1 -1 -1 -1 -1 -1 -1 -1 -1 -1

Voir aussi

assigne une valeur à un nombre d'éléments

Original:

assigns a value to a number of elements

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(fonction générique) [edit]

enregistre le résultat d'une fonction dans une plage

Original:

saves the result of a function in a range

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(fonction générique) [edit]

applique une fonction à une série d'éléments

Original:

applies a function to a range of elements

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(fonction générique) [edit]