std::unique_ptr::operator bool
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| explicit operator bool() const; |
(depuis C++11) | |
Vérifie que *this possède un objet, à savoir si get() == nullptr .
Original:
Checks whether *this owns an object, i.e. whether get() == nullptr.
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Sommaire |
[modifier] Paramètres
(Aucun)
Original:
(none)
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[modifier] Retourne la valeur
true si *this possède un objet, false autrement .
Original:
true if *this owns an object, false otherwise.
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[modifier] Exceptions
[modifier] Exemple
#include <iostream> #include <memory> int main() { std::unique_ptr<int> ptr(new int(42)); if (ptr) std::cout << "before reset, ptr is: " << *ptr << '\n'; ptr.reset(); if (ptr) std::cout << "after reset, ptr is: " << *ptr << '\n'; }
Résultat :
before reset, ptr is: 42
[modifier] Voir aussi
| renvoie un pointeur sur l'objet géré Original: returns a pointer to the managed object 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) | |
