Espaces de noms
Variantes
Affichages
Actions

std::iostream_category

De cppreference.com
< cpp‎ | io

 
 
D'entrée / sortie de bibliothèque
I / O manipulateurs
C-style I / O
Tampons
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 (obsolète)
Cours d'eau
Original:
Streams
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Abstractions
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
Fichier E / 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
Chaîne 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
Tableau 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 (obsolète)
ostrstream (obsolète)
strstream (obsolète)
Types
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
Interface catégorie d'erreur
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();
(depuis C++11)
Obtient une référence à l'objet catégorie d'erreur statique des erreurs iostream. L'objet est nécessaire pour annuler la error_category::name() fonction virtuelle de retourner un pointeur sur la chaîne de "iostream". Il est utilisé pour identifier les codes d'erreur fournis dans les exceptions prévues std::ios_base::failure type .
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.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

Sommaire

[modifier] Paramètres

(Aucun)
Original:
(none)
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[modifier] Retourne la valeur

Une référence à l'objet statique de type à l'exécution indéterminée, dérivé de std::error_category .
Original:
A reference to the static object of unspecified runtime type, derived from std::error_category.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[modifier] Exceptions

noexcept specification:  
noexcept
   (depuis C++11)

[modifier] Exemple

#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';
    }
}

Résultat :

Caught an ios_base::failure.
Error category: iostream

[modifier] Voir aussi

exception ruisseau
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.

(classe membre publique de std::ios_base) [edit]
(C++11)
les codes d'erreur IO cours d'eau
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) [edit]