std::next — cppreference.com
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| Déclaré dans l'en-tête <iterator> |
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(depuis C++11) | |
Retour le successeur de nth it itérateur .
Original:
Return the nth successor of iterator it.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Paramètres
| it | - | un iterater ' Original: an iterater' The text has been machine-translated via Google Translate. |
| n | - | certain nombre d'éléments pour avancer Original: number of elements to advance The text has been machine-translated via Google Translate. |
| Type requirements | ||
-ForwardIt must meet the requirements of ForwardIterator.
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Retourne la valeur
Le successeur de nth it itérateur .
Original:
The nth successor of iterator it.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Mise en œuvre possible
template<class ForwardIt> ForwardIt next(ForwardIt it, typename std::iterator_traits<ForwardIt>::difference_type n = 1) { std::advance(it, n); return it; }
Exemple
#include <iostream> #include <iterator> #include <vector> int main() { std::vector<int> v{ 3, 1, 4 }; auto it = v.begin(); auto nx = std::next(it, 2); std::cout << *it << ' ' << *nx << '\n'; }
Résultat :
Voir aussi
décrémenter un itérateur Original: decrement an iterator The text has been machine-translated via Google Translate. (fonction) [edit] | |
avance un itérateur par distance donnée Original: advances an iterator by given distance The text has been machine-translated via Google Translate. (fonction) [edit] | |