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std::multiset::operator=

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< cpp‎ | container‎ | multiset

 
 
 
std::multiset
Les fonctions membres
Original:
Member functions
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multiset::multiset
multiset::~multiset
multiset::operator=
multiset::get_allocator
Les itérateurs
Original:
Iterators
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multiset::begin
multiset::cbegin

(C++11)
multiset::end
multiset::cend

(C++11)
multiset::rbegin
multiset::crbegin

(C++11)
multiset::rend
multiset::crend

(C++11)
Capacité
Original:
Capacity
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multiset::empty
multiset::size
multiset::max_size
Modificateurs
Original:
Modifiers
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multiset::clear
multiset::insert
multiset::emplace (C++11)
multiset::emplace_hint (C++11)
multiset::erase
multiset::swap
Lookup
Original:
Lookup
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multiset::count
multiset::find
multiset::equal_range
multiset::lower_bound
multiset::upper_bound
Des observateurs
Original:
Observers
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multiset::key_comp
multiset::value_comp
 
multiset& operator=( const multiset& other );
(1)
multiset& operator=( multiset&& other );
(2) (depuis C++11)
Remplace le contenu du récipient .
Original:
Replaces the contents of the container.
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1)
Copiez opérateur d'affectation. Remplace le contenu d'une copie du contenu de other .
Original:
Copy assignment operator. Replaces the contents with a copy of the contents of other.
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2)
Déplacez opérateur d'affectation. Remplace le contenu avec ceux de other en utilisant la sémantique de déplacement (c'est à dire les données dans other est déplacé d'other dans ce récipient). other est dans un état valide, mais non précisées par la suite .
Original:
Move assignment operator. Replaces the contents with those of other using move semantics (i.e. the data in other is moved from other into this container). other is in valid, but unspecified state afterwards.
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Sommaire

[modifier] Paramètres

other -
un autre récipient pour être utilisé en tant que source
Original:
another container to be used as source
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[modifier] Retourne la valeur

*this

[modifier] Complexité

1)
Linéaire à la taille du récipient .
Original:
Linear in the size of the container.
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2)
Constant .
Original:
Constant.
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[modifier] Exemple

Le code suivant utilise d'affecter un std::multiset à l'autre:
Original:
The following code uses to assign one std::multiset to another:
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#include <set>
#include <iostream>
 
void display_sizes(const std::multiset<int> &nums1,
                   const std::multiset<int> &nums2,
                   const std::multiset<int> &nums3)
{
    std::cout << "nums1: " << nums1.size() 
              << " nums2: " << nums2.size()
              << " nums3: " << nums3.size() << '\n';
}
 
int main()
{
    std::multiset<int> nums1 {3, 1, 4, 6, 5, 9};
    std::multiset<int> nums2; 
    std::multiset<int> nums3;
 
    std::cout << "Initially:\n";
    display_sizes(nums1, nums2, nums3);
 
    // copy assignment copies data from nums1 to nums2
    nums2 = nums1;
 
    std::cout << "After assigment:\n"; 
    display_sizes(nums1, nums2, nums3);
 
    // move assignment moves data from nums1 to nums3,
    // modifying both nums1 and nums3
    nums3 = std::move(nums1);
 
    std::cout << "After move assigment:\n"; 
    display_sizes(nums1, nums2, nums3);
}

Résultat :

Initially:
nums1: 4 nums2: 0 nums3: 0
After assigment:
nums1: 4 nums2: 4 nums3: 0
After move assigment:
nums1: 0 nums2: 4 nums3: 4

[modifier] Voir aussi

Construit le multiset
(fonction membre publique) [edit]