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std::forward_list::operator=

De cppreference.com

 
 
 
std::forward_list
Las funciones miembro
Original:
Member functions
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forward_list::forward_list
forward_list::~forward_list
forward_list::operator=
forward_list::assign
forward_list::get_allocator
Elemento acceso
Original:
Element access
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forward_list::front
Los iteradores
Original:
Iterators
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forward_list::before_begin
forward_list::cbefore_begin
forward_list::begin
forward_list::cbegin
forward_list::end
forward_list::cend
Capacidad
Original:
Capacity
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forward_list::empty
forward_list::max_size
Modificadores
Original:
Modifiers
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forward_list::clear
forward_list::insert_after
forward_list::emplace_after
forward_list::erase_after
forward_list::push_front
forward_list::emplace_front
forward_list::pop_front
forward_list::resize
forward_list::swap
Operaciones
Original:
Operations
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forward_list::merge
forward_list::splice_after
forward_list::remove
forward_list::remove_if
forward_list::reverse
forward_list::unique
forward_list::sort
 
forward_list& operator=( const forward_list& other );
(1) (desde C++11)
forward_list& operator=( forward_list&& 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::forward_list a otro:
Original:
The following code uses to assign one std::forward_list to another:
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#include <iterator>
#include <forward_list>
#include <iostream>
 
void display_sizes(const std::forward_list<int> &nums1,
                   const std::forward_list<int> &nums2,
                   const std::forward_list<int> &nums3)
{
    std::cout << "nums1: " << std::distance(nums1.begin(), nums1.end()) 
              << " nums2: " << std::distance(nums2.begin(), nums2.end())
              << " nums3: " << std::distance(nums3.begin(), nums3.end()) << '\n';
}
 
int main()
{
    std::forward_list<int> nums1 {3, 1, 4, 6, 5, 9};
    std::forward_list<int> nums2; 
    std::forward_list<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 forward_list
Original:
constructs the forward_list
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(miembro público función) [edit]
asigna valores para el contenedor
Original:
assigns values to the container
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(miembro público función) [edit]