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std::basic_istream::operator=

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< cpp‎ | io‎ | basic istream
 
 
Entrada / salida de la biblioteca
I / O manipuladores
C-estilo I / O
Buffers
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Buffers
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(obsoleto)
Arroyos
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Streams
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Abstracciones
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Abstractions
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File I / O
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File I/O
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Cadena de I / O
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String I/O
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Matriz I / O
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Array I/O
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(obsoleto)
(obsoleto)
(obsoleto)
Tipos
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Types
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Error interfaz categoría
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Error category interface
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(C++11)
 
std::basic_istream
Los objetos globales
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Global objects
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Las funciones miembro
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Member functions
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basic_istream::operator=
(C++11)
Entrada con formato
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Formatted input
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Entrada sin formato
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Unformatted input
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Posicionamiento
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Positioning
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Varios
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Miscellaneous
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Clases de miembros
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Member classes
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Terceros funciones
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Non-member functions
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protected:
basic_istream& operator=( const basic_istream& rhs ) = delete;
(1)
protected:
basic_istream& operator=( basic_istream&& rhs );
(2) (desde C++11)
1)
El operador de asignación de copia está protegida, y se elimina. Corrientes de entrada no son CopyAssignable .
Original:
The copy assignment operator is protected, and is deleted. Input streams are not CopyAssignable.
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2)
Los intercambios de asignación mover el operador gcount () los valores y todos los miembros de datos de la clase base, a excepción de rdbuf(), con rhs, como si al llamar swap(*rhs). El operador de asignación movimiento está protegido: sólo se llama por los operadores se mueven asignación de las clases derivadas de muebles de flujo de entrada y std::basic_ifstream std::basic_istringstream, que sabe cómo mover correctamente a asignar los streambuffers asociados .
Original:
The move assignment operator exchanges the gcount() values and all data members of the base class, except for rdbuf(), with rhs, as if by calling swap(*rhs). This move assignment operator is protected: it is only called by the move assignment operators of the derived movable input stream classes std::basic_ifstream and std::basic_istringstream, which know how to correctly move-assign the associated streambuffers.
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[editar] Parámetros

rhs -
el objeto de que basic_istream asignar a *this
Original:
the basic_istream object from which to assign to *this
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[editar] Ejemplo

#include <sstream>
#include <iostream>
int main()
{
    std::istringstream s1;
    s1 = std::istringstream("test"); // OK
 
    std::cin = std::istringstream("test"); // ERROR: 'operator=' is protected
}