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std::make_error_condition(std::io_errc)

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< cpp‎ | io‎ | io errc

 
 
D'entrée / sortie de bibliothèque
I / O manipulateurs
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Buffers
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Cours d'eau
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Streams
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Abstractions
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ios_base
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File I/O
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Array I/O
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Types
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streamoff
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Interface catégorie d'erreur
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Error category interface
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iostream_category (C++11)
io_errc (C++11)
 
std::io_errc
Classes d'aide
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Helper classes
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is_error_code_enum<std::io_errc>
Les fonctions d'assistance
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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 );
(depuis C++11)
Construit un objet à partir d'une valeur std::error_condition de std::io_errc de type comme par return std::error_condition(static_cast<int>(e), std::iostream_category()) .
Original:
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()).
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Sommaire

[modifier] Paramètres

e -
numéro de code d'erreur
Original:
error code number
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[modifier] Retourne la valeur

Une valeur de std::error_condition type qui contient le numéro de code d'erreur à partir de e associée à la catégorie d'erreurs "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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[modifier] Exemple

#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";
}

Résultat :

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

[modifier] Voir aussi

crée un objet condition d'erreur de error_category spécifié
Original:
creates an error condition object of specified error_category
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(fonction) [edit]
détient un code d'erreur portable
Original:
holds a portable error code
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(classe) [edit]
(C++11)
les codes d'erreur IO cours d'eau
Original:
the IO stream error codes
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(enum) [edit]