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std::basic_istream::swap

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< cpp‎ | io‎ | basic istream

 
 
Entrada / salida de la biblioteca
I / O manipuladores
C-estilo I / O
Buffers
Original:
Buffers
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basic_streambuf
basic_filebuf
basic_stringbuf
strstreambuf(obsoleto)
Arroyos
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Streams
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Abstracciones
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Abstractions
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ios_base
basic_ios
basic_istream
basic_ostream
basic_iostream
File I / O
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File I/O
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basic_ifstream
basic_ofstream
basic_fstream
Cadena de I / O
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String I/O
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basic_istringstream
basic_ostringstream
basic_stringstream
Matriz I / O
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Array I/O
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istrstream(obsoleto)
ostrstream(obsoleto)
strstream(obsoleto)
Tipos
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Types
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streamoff
streamsize
fpos
Error interfaz categoría
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Error category interface
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iostream_category(C++11)
io_errc(C++11)
 
std::basic_istream
Los objetos globales
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Global objects
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cin
wcin
Las funciones miembro
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Member functions
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basic_istream::basic_istream
basic_istream::~basic_istream
basic_istream::operator=(C++11)
Entrada con formato
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Formatted input
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basic_istream::operator>>
Entrada sin formato
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Unformatted input
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basic_istream::get
basic_istream::peek
basic_istream::unget
basic_istream::putback
basic_istream::getline
basic_istream::ignore
basic_istream::read
basic_istream::readsome
basic_istream::gcount
Posicionamiento
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Positioning
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basic_istream::tellg
basic_istream::seekg
Varios
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Miscellaneous
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basic_istream::sync
basic_istream::swap(C++11)
Clases de miembros
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Member classes
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basic_istream::sentry
Terceros funciones
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Non-member functions
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operator>>(std::basic_istream)
 
protected:
void swap(basic_istream& rhs);
(desde C++11)
Llamadas basic_ios::swap(rhs) para intercambiar todos los miembros de datos de la clase base, excepto rdbuf() y swaps los valores de los contadores de gcount() entre *this y rhs. Esta función de intercambio es protegida: se llama a las funciones de intercambio de las clases de flujo de entrada intercambiables std::basic_ifstream y std::basic_istringstream, que sabe cómo intercambiar correctamente los streambuffers asociados .
Original:
Calls basic_ios::swap(rhs) to swap all data members of the base class except for rdbuf(), and swaps the values of the gcount() counters between *this and rhs. This swap function is protected: it is called by the swap functions of the swappable input stream classes std::basic_ifstream and std::basic_istringstream, which know how to correctly swap the associated streambuffers.
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[editar] Parámetros

rhs -
basic_istream objeto diferente del mismo tipo para intercambiar con
Original:
different basic_istream object of the same type to swap with
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[editar] Ejemplo

#include <sstream>
#include <iostream>
#include <utility>
int main()
{
    std::istringstream s1("hello");
    std::istringstream s2("bye");
 
    s1.swap(s2); // OK, istringstream has a public swap()
    std::swap(s1, s2); // OK, calls s1.swap(s2)
//  std::cin.swap(s2); // ERROR: swap is a protected member
 
    std::cout << s1.rdbuf();
}

Output:

hello