std::basic_filebuf::operator=
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<metanoindex/>
<tbody> </tbody> std::basic_filebuf& operator=( std::basic_filebuf&& rhs ); |
(desde C++11) | |
std::basic_filebuf& operator=( const std::basic_filebuf& rhs ) = delete; |
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1)
Primeiro chama
close() para fechar o arquivo associado, então move o conteúdo da rhs em *this: a colocar e obter buffers, o arquivo associado, a localidade, o openmode, a bandeira nome esta_aberta, e qualquer outro estado. Após a mudança, rhs não está associada a um ficheiro e rhs.is_open() == false.Original:
First calls
close() to close the associated file, then moves the contents of rhs into *this: the put and get buffers, the associated file, the locale, the openmode, the is_open flag, and any other state. After the move, rhs is not associated with a file and rhs.is_open() == false.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
2)
O operador de atribuição de cópia é apagado;
basic_filebuf não é CopyAssignable.Original:
The copy assignment operator is deleted;
basic_filebuf is not CopyAssignable.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
Parâmetros
| rhs | - | outro
basic_filebuf que será movido a partir deOriginal: another basic_filebuf that will be moved fromThe text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
Valor de retorno
*this
Exemplo
#include <fstream>
#include <string>
#include <iostream>
int main()
{
std::ifstream fin("test.in"); // read-only
std::ofstream fout("test.out"); // write-only
std::string s;
getline(fin, s);
std::cout << s << '\n'; // output
*fin.rdbuf() = std::move(*fout.rdbuf());
getline(fin, s);
std::cout << s << '\n'; // empty line
std::cout << std::boolalpha << fout.is_open() << '\n'; // prints "false"
}
Veja também
constrói um objeto basic_filebuf Original: constructs a basic_filebuf object The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função pública membro) | |
(C++11) |
troca dois objetos basic_filebuf Original: swaps two basic_filebuf objects The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função pública membro) |