std::iostream_category

 

C++

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Operaciones de biblioteca Atómica (C++11)

Tema Biblioteca de ayuda (C++11)

 

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C-estilo I / O

Buffers Original: Buffers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_streambuf

basic_filebuf

basic_stringbuf

strstreambuf (obsoleto)

Arroyos Original: Streams The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Abstracciones Original: Abstractions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

ios_base

basic_ios

basic_istream

basic_ostream

basic_iostream

File I / O Original: File I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_ifstream

basic_ofstream

basic_fstream

Cadena de I / O Original: String I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_istringstream

basic_ostringstream

basic_stringstream

Matriz I / O Original: Array I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

istrstream (obsoleto)

ostrstream (obsoleto)

strstream (obsoleto)

Tipos Original: Types The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

streamoff

streamsize

fpos

Error interfaz categoría Original: Error category interface The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

iostream_category (C++11)

io_errc (C++11)

 

Defined in header <ios>
const std::error_category& iostream_category();		(ya que C + +11)

Obtiene una referencia al objeto de error para los errores de categoría estática iostream. El objeto es necesaria para anular el error_category::name() función virtual para devolver un puntero a la cadena "iostream". Se utiliza para identificar los códigos de error previstos en las excepciones del tipo std::ios_base::failure .

Original:

Obtains a reference to the static error category object for iostream errors. The object is required to override the virtual function error_category::name() to return a pointer to the string "iostream". It is used to identify error codes provided in the exceptions of type std::ios_base::failure.

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Parámetros

(Ninguno)

Original:

(none)

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Valor de retorno

Una referencia al objeto estático de tipo no especificado de tiempo de ejecución, derivado de std::error_category .

Original:

A reference to the static object of unspecified runtime type, derived from std::error_category.

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Excepciones

noexcept specification:  

noexcept

  (ya que C + +11)

Ejemplo

#include <iostream>
#include <fstream>
 
int main()
{
    std::ifstream f("doesn't exist");
    try {
        f.exceptions(f.failbit);
    } catch (const std::ios_base::failure& e) {
        std::cout << "Caught an ios_base::failure.\n"
                  << "Error category: " << e.code().category().name() << '\n';
    }
}

Output:

Caught an ios_base::failure.
Error category: iostream

Ver también

failure	corriente excepción Original: stream exception The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (miembro público of std::ios_base clase)
io_errc (C++11)	los códigos IO secuencia de error Original: the IO stream error codes The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (enum)