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std::make_error_condition(std::io_errc)

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< cpp‎ | io‎ | io errc

 
 
De entrada / saída da biblioteca
I / O manipuladores
C estilo de I / O
Buffers
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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
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File I/O
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basic_ifstream
basic_ofstream
basic_fstream
Cordas I / O
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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::io_errc
Classes auxiliares
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Helper classes
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is_error_code_enum<std::io_errc>
Funções auxiliares
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Helper functions
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make_error_code(std::io_errc)
make_error_condition(std::io_errc)
 
Defined in header <ios>
std::error_condition make_error_condition( std::io_errc e );
(a partir do C++ 11)

Constructs an std::error_condition object from a value of type std::io_errc as if by return std::error_condition(static_cast<int>(e), std::iostream_category()).

Índice

[editar] Parâmetros

e -
número de código de erro
Original:
error code number
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[editar] Valor de retorno

Um valor de std::error_condition tipo que contém o número do código de erro a partir de e associado com a categoria de erro "iostream".
Original:
A value of type std::error_condition that holds the error code number from e associated with the error category "iostream".
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[editar] Exemplo

#include <iostream>
#include <system_error>
int main()
{
    std::error_condition ec  = std::make_error_condition(std::io_errc::stream);
    std::cout << "error condition for io_errc::stream has value " << ec.value()
              << "\nand message \"" << ec.message() << "\"\n";
}

Output:

error condition for io_errc::stream has value 1
and message "unspecified iostream_category error"

[editar] Veja também

cria um objeto condição de erro de error_category especificado
Original:
creates an error condition object of specified error_category
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(função) [edit]
possui um código de erro portátil
Original:
holds a portable error code
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(classe) [edit]
(C++11)
O erro de IO códigos de fluxo
Original:
the IO stream error codes
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(enum) [edit]