std::fill
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| Elemento definito nell'header <algorithm>
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| template< class ForwardIt, class T > void fill( ForwardIt first, ForwardIt last, const T& value ); |
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Assegna il
value data agli elementi della gamma [first, last).Original:
Assigns the given
value to the elements in the range [first, last).The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
Indice |
[modifica] Parametri
| first, last | - | l'intervallo di elementi da modificare
Original: the range of elements to modify The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
| value | - | il valore da assegnare
Original: the value to be assigned The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
| Type requirements | ||
-ForwardIt must meet the requirements of ForwardIterator.
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[modifica] Valore di ritorno
(Nessuno)
Original:
(none)
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
[modifica] Complessità
Esattamente
last - first incarichi.Original:
Exactly
last - first assignments.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
[modifica] Possibile implementazione
template< class ForwardIt, class T > void fill(ForwardIt first, ForwardIt last, const T& value) { for (; first != last; ++first) { *first = value; } } |
[modifica] Esempio
Il codice seguente utilizza
fill() per impostare tutti gli elementi di un vettore di interi a -1:
Original:
The following code uses
fill() to set all of the elements of a vector of integers to -1:
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
#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"; }
Output:
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1
[modifica] Vedi anche
| assegna un valore a un numero di elementi Original: assigns a value to a number of elements The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (funzione di modello) | |
| salva il risultato di una funzione in un intervallo Original: saves the result of a function in a range The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (funzione di modello) | |
| applica una funzione di una serie di elementi Original: applies a function to a range of elements The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (funzione di modello) | |
