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std::basic_istream::swap

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< cpp‎ | io‎ | basic istream

 
 
De entrada / saída da biblioteca
I / O manipuladores
C estilo de I / O
Buffers
Original:
Buffers
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basic_streambuf
basic_filebuf
basic_stringbuf
strstreambuf(obsoleta)
Streams
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Streams
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Abstrações
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Abstractions
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ios_base
basic_ios
basic_istream
basic_ostream
basic_iostream
File I / O
Original:
File I/O
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basic_ifstream
basic_ofstream
basic_fstream
Cordas I / O
Original:
String I/O
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basic_istringstream
basic_ostringstream
basic_stringstream
Matriz de I / O
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Array I/O
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istrstream(obsoleta)
ostrstream(obsoleta)
strstream(obsoleta)
Tipos
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Types
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streamoff
streamsize
fpos
Interface de categoria de erro
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Error category interface
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iostream_category(C++11)
io_errc(C++11)
 
std::basic_istream
Objetos globais
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Global objects
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cin
wcin
Funções de membro
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Member functions
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basic_istream::basic_istream
basic_istream::~basic_istream
basic_istream::operator=(C++11)
Entrada formatada
Original:
Formatted input
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basic_istream::operator>>
Entrada não formatado
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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
Posicionamento
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Positioning
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basic_istream::tellg
basic_istream::seekg
Diversos
Original:
Miscellaneous
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basic_istream::sync
basic_istream::swap(C++11)
Aulas-Membros
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Member classes
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basic_istream::sentry
Não-membros funções
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Non-member functions
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operator>>(std::basic_istream)
 
protected:
void swap(basic_istream& rhs);
(a partir do C++ 11)
Chama basic_ios::swap(rhs) para trocar todos os membros de dados da classe base, exceto para rdbuf() e troca os valores dos contadores gcount() entre *this e rhs. Esta função swap é protegido: chama-se pelas funções de swap das classes de fluxo de entrada de swap std::basic_ifstream e std::basic_istringstream, que sabe como fazer corretamente trocar os streambuffers associados.
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] Parâmetros

rhs -
objeto basic_istream diferente do mesmo tipo para trocar com
Original:
different basic_istream object of the same type to swap with
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[editar] Exemplo

#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