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    std::unique_ptr::swap

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    <tbody> </tbody>
    void swap(unique_ptr& other);
    		 (depuis C++11)
    Echange les objets gérés et suppresseurs associés avec un autre objet unique_ptr other .
    Original:
    Swaps the managed objects and associated deleters with another unique_ptr object other.
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    Paramètres

    other -
    un autre objet unique_ptr avec lequel échanger l'objet managé et le deleter
    Original:
    another unique_ptr object to swap the managed object and the deleter with
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    Retourne la valeur

    (Aucun)
    Original:
    (none)
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    Exceptions

    noexcept specification:  
    <tbody> </tbody>
    noexcept
       (depuis C++11)

    Exemple

    #include <iostream>
#include <memory>

struct Foo {
    Foo(int _val) : val(_val) { std::cout << "Foo...\n"; }
    ~Foo() { std::cout << "~Foo...\n"; }
    int val;
};

int main()
{
    std::unique_ptr<Foo> up1(new Foo(1));
    std::unique_ptr<Foo> up2(new Foo(2));

    up1.swap(up2);

    std::cout << "up1->val:" << up1->val << std::endl;
    std::cout << "up2->val:" << up2->val << std::endl;
}

    Résultat : 

    Foo...
Foo...
up1->val:2
up2->val:1
~Foo...
~Foo...