std::basic_string::shrink_to_fit
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< cpp | string | basic string
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| void shrink_to_fit(); |
(depuis C++11) | |
Prie le retrait de capacités inutilisées .
Original:
Requests the removal of unused capacity.
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Il s'agit d'une demande de non-contraignant de réduction des
capacity à size. Cela dépend de la mise en œuvre si la demande est satisfaite . Original:
It is a non-binding request to reduce
capacity to size. It depends on the implementation if the request is fulfilled. 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.
Sommaire |
[modifier] Paramètres
(Aucun)
Original:
(none)
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[modifier] Retourne la valeur
(Aucun)
Original:
(none)
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[modifier] Complexité
Constante
Original:
Constant
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[modifier] Exemple
#include <iostream> #include <string> int main() { std::string s; std::cout << "Default-constructed capacity is " << s.capacity() << '\n'; s.resize(100); std::cout << "Capacity of a 100-element string is " << s.capacity() << '\n'; s.clear(); std::cout << "Capacity after clear() is " << s.capacity() << '\n'; s.shrink_to_fit(); std::cout << "Capacity after shrink_to_fit() is " << s.capacity() << '\n'; }
Résultat :
Default-constructed capacity is 0 Capacity of a 100-element string is 100 Capacity after clear() is 100 Capacity after shrink_to_fit() is 0
[modifier] Voir aussi
| returns the number of characters (fonction membre publique) | |
| retourne le nombre de caractères pouvant être détenus dans les stocks actuellement affectés Original: returns the number of characters that can be held in currently allocated storage The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction membre publique) | |
