std::swap_ranges
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Defined in header <algorithm>
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template< class ForwardIt1, class ForwardIt2 > ForwardIt2 swap_ranges( ForwardIt1 first1, ForwardIt1 last1, ForwardIt2 first2 ) |
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Éléments échanges entre
[first1, last1)
gamme et une autre plage à partir de first2
. Original:
Exchanges elements between range
[first1, last1)
and another range starting at first2
. The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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Sommaire |
[modifier] Paramètres
first1, last1 | - | la première gamme d'éléments à échanger
Original: the first range of elements to swap The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
first2 | - | au début de la seconde gamme d'éléments à échanger
Original: beginning of the second range of elements to swap The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
Type requirements | ||
-ForwardIt1, ForwardIt2 must meet the requirements of ForwardIterator .
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-The types of dereferenced ForwardIt1 and ForwardIt2 must meet the requirements of Swappable
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[modifier] Retourne la valeur
Itérateur à l'élément après le dernier élément échangés dans le début de la plage avec
first2
.Original:
Iterator to the element past the last element exchanged in the range beginning with
first2
.The text has been machine-translated via Google Translate.
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[modifier] Mise en œuvre possible
template<class ForwardIt1, class ForwardIt2> ForwardIt1 swap_ranges(ForwardIt1 first1, ForwardIt1 last1, ForwardIt2 first2) { while (first1 != last1) { std::iter_swap(first1++, first2++); } return first2; } |
[modifier] Exemple
Démontre permutation des sous-gammes de conteneurs différents
Original:
Demonstrates swapping of subranges from different containers
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#include <algorithm> #include <list> #include <vector> #include <iostream> int main() { std::vector<int> v = {1, 2, 3, 4, 5}; std::list<int> l = {-1, -2, -3, -4, -5}; std::swap_ranges(v.begin(), v.begin()+3, l.begin()); for(int n : v) std::cout << n << ' '; std::cout << '\n'; for(int n : l) std::cout << n << ' '; std::cout << '\n'; }
Résultat :
-1 -2 -3 4 5 1 2 3 -4 -5
[modifier] Complexité
linéaire de la distance entre
first
et last
Original:
linear in the distance between
first
and last
The text has been machine-translated via Google Translate.
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[modifier] Voir aussi
permute les éléments pointés par deux itérateurs Original: swaps the elements pointed to by two iterators The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique) | |
échange les valeurs de deux objets Original: swaps the values of two objects The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique) |