Namespace
Varianti

std::io_errc

Da cppreference.com.
< cpp‎ | io

 
 
Ingresso / libreria di output
I / O manipolatori
C-style I / O
Buffer
Original:
Buffers
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basic_streambuf
basic_filebuf
basic_stringbuf
strstreambuf(deprecato)
Streams
Original:
Streams
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Astrazioni
Original:
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
String I / O
Original:
String I/O
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basic_istringstream
basic_ostringstream
basic_stringstream
Array I / O
Original:
Array I/O
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istrstream(deprecato)
ostrstream(deprecato)
strstream(deprecato)
Tipi
Original:
Types
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streamoff
streamsize
fpos
Errore categoria interfaccia
Original:
Error category interface
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iostream_category(C++11)
io_errc(C++11)
 
std::io_errc
Helper classi
Original:
Helper classes
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is_error_code_enum<std::io_errc>
Helper funzioni
Original:
Helper functions
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make_error_code(std::io_errc)
make_error_condition(std::io_errc)
 
Defined in header <ios>
enum class io_errc;
(dal C++11)
Il std::io_errc enumerazione ambito definisce i codici di errore segnalati dai flussi di I / O in oggetti eccezione std::ios_base::failure. Solo un codice di errore (std::io_errc::stream) è richiesto, anche se l'attuazione può definire codici di errore. Poiché la specializzazione appropriata di std :: is_error_code_enum è previsto, valori di tipo std::io_errc sono convertibile in modo implicito std::error_code.
Original:
The scoped enumeration std::io_errc defines the error codes reported by I/O streams in std::ios_base::failure exception objects. Only one error code (std::io_errc::stream) is required, although the implementation may define additional error codes. Because the appropriate specialization of std::is_error_code_enum is provided, values of type std::io_errc are implicitly convertible to std::error_code.
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Indice

[modifica] Membri costanti

Enumerazione costante
Original:
Enumeration constant
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Value
stream 1

[modifica] Helper classi

estende il std::is_error_code_enum tratto tipo di identificare i codici di errore iostream
Original:
extends the type trait std::is_error_code_enum to identify iostream error codes
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(classe template)

[modifica] Non membri funzioni

costruisce un codice di errore iostream
Original:
constructs an iostream error code
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(funzione)
costruisce un error_condition iostream
Original:
constructs an iostream error_condition
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(funzione)

[modifica] Esempio

#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";
        if(e.code() == std::io_errc::stream)
            std::cout << "The error code is std::io_errc::stream\n";
    }
}

Output:

Caught an ios_base::failure.
The error code is std::io_errc::stream

[modifica] Vedi anche

in possesso di un dipendente dalla piattaforma codice di errore
Original:
holds a platform-dependent error code
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(classe) [edit]
contiene un codice di errore portatile
Original:
holds a portable error code
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(classe) [edit]
flusso di eccezione
Original:
stream exception
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(membro pubblico of std::ios_base classe) [edit]