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std::basic_ostream::swap

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< cpp‎ | io‎ | basic ostream

 
 
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_ostream
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_ostream::basic_ostream
basic_ostream::~basic_ostream
basic_ostream::operator=(C++11)
Entrada con formato
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Formatted input
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basic_ostream::operator<<
Entrada sin formato
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Unformatted input
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basic_ostream::put
basic_ostream::write
Posicionamiento
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Positioning
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basic_ostream::tellp
basic_ostream::seekp
Varios
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Miscellaneous
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basic_ostream::flush
basic_ostream::swap(C++11)
Clases de miembros
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Member classes
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basic_ostream::sentry
Terceros funciones
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Non-member functions
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operator<<(std::basic_ostream)
 
protected:
void swap(basic_ostream& rhs);
(desde C++11)
Llamadas basic_ios::swap(rhs) para intercambiar todos los miembros de datos de la clase base, a excepción de rdbuf(), entre *this y rhs. Esta función de intercambio es protegida: se llama a las funciones de intercambio de las clases stream de salida intercambiables std::basic_ofstream y std::basic_ostringstream, 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(), between *this and rhs. This swap function is protected: it is called by the swap functions of the swappable output stream classes std::basic_ofstream and std::basic_ostringstream, which know how to correctly swap the associated streambuffers.
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[editar] Parámetros

rhs -
un basic_ostream del mismo tipo para intercambiar con
Original:
a basic_ostream of the same type to swap with
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[editar] Ejemplo

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

Output:

hello