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std::unique_ptr::get_deleter

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< cpp‎ | memory‎ | unique ptr

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      Deleter& get_deleter();
 (dal C++11)
const Deleter& get_deleter() const;
 (dal C++11)
Restituisce l'oggetto deleter che potrebbe essere utilizzato per la distruzione dell'oggetto gestito.
Original:
Returns the deleter object which would be used for destruction of the managed object.
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Indice

[modifica] Parametri

(Nessuno)
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(none)
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[modifica] Valore di ritorno

L'oggetto deleter memorizzato.
Original:
The stored deleter object.
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[modifica] Eccezioni

noexcept specification:  
noexcept
  (dal C++11)

[modifica] Esempio

#include <iostream>
#include <memory>
 
struct Foo {
    Foo() { std::cout << "Foo...\n"; }
    ~Foo() { std::cout << "~Foo...\n"; }
};
 
struct D {
    void bar() { std::cout << "Call deleter D::bar()...\n"; }
    void operator()(Foo* p) const {
        std::cout << "Call delete for Foo object...\n";
        delete p;
    }
};
 
int main()
{
    std::unique_ptr<Foo, D> up(new Foo(), D());
    D& del = up.get_deleter();
    del.bar();
}

Output: 

Foo...
Call deleter D::bar()...
Call delete for Foo object...
~Foo...
Estratto da "https://it.cppreference.com/mwiki/index.php?title=cpp/memory/unique_ptr/get_deleter&oldid=26184"