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std::set::operator=

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< cpp‎ | container‎ | set

 
 
 
std::set
Las funciones miembro
Original:
Member functions
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set::set
set::~set
set::operator=
set::get_allocator
Los iteradores
Original:
Iterators
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set::begin
set::cbegin

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

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

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

(C++11)
Capacidad
Original:
Capacity
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set::empty
set::size
set::max_size
Modificadores
Original:
Modifiers
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set::clear
set::insert
set::emplace(C++11)
set::emplace_hint(C++11)
set::erase
set::swap
Buscar
Original:
Lookup
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set::count
set::find
set::equal_range
set::lower_bound
set::upper_bound
Los observadores
Original:
Observers
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set::key_comp
set::value_comp
 
set& operator=( const set& other );
(1)
set& operator=( set&& other );
(2) (desde C++11)
Reemplaza el contenido del recipiente .
Original:
Replaces the contents of the container.
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1)
Copiar el operador de asignación. Reemplaza el contenido con una copia de los contenidos de other .
Original:
Copy assignment operator. Replaces the contents with a copy of the contents of other.
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2)
Mueva operador de asignación. Reemplaza el contenido con los de other utilizando la semántica de movimiento (es decir, los datos de other se mueve de other en el envase). other está en estado válido, pero sin especificar después .
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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Contenido

[editar] Parámetros

other -
otro recipiente para ser utilizado como fuente
Original:
another container to be used as source
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[editar] Valor de retorno

*this

[editar] Complejidad

1)
Lineal en el tamaño del recipiente .
Original:
Linear in the size of the container.
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2)
Constante .
Original:
Constant.
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[editar] Ejemplo

El código siguiente se utiliza para asignar un std::set a otro:
Original:
The following code uses to assign one std::set to another:
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#include <set>
#include <iostream>
 
void display_sizes(const std::set<int> &nums1,
                   const std::set<int> &nums2,
                   const std::set<int> &nums3)
{
    std::cout << "nums1: " << nums1.size() 
              << " nums2: " << nums2.size()
              << " nums3: " << nums3.size() << '\n';
}
 
int main()
{
    std::set<int> nums1 {3, 1, 4, 6, 5, 9};
    std::set<int> nums2; 
    std::set<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);
}

Output:

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

[editar] Ver también

construye el set
Original:
constructs the set
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(miembro público función) [edit]