std::system_error::system_error
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<tbody> </tbody> system_error( std::error_code ec ); |
(1) | (depuis C++11) |
system_error( std::error_code ec, const std::string& what_arg ); |
(2) | (depuis C++11) |
system_error( std::error_code ec, const char* what_arg ); |
(2) | (depuis C++11) |
system_error( int ev, const std::error_category& ecat |
(3) | (depuis C++11) |
system_error( int ev, const std::error_category& ecat, const std::string& what_arg); |
(4) | (depuis C++11) |
system_error( int ev, const std::error_category& ecat, const char* what_arg); |
(4) | (depuis C++11) |
Construit un nouvel objet erreur du systme .
Original:
Constructs new system error object.
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1)
Constructions avec
ec code d'erreurOriginal:
Constructs with error code
ecThe text has been machine-translated via Google Translate.
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2)
Constructions avec
ec code d'erreur et what_arg chane explication. La chane renvoye par what() est garanti pour contenir what_arg .Original:
Constructs with error code
ec and explanation string what_arg. The string returned by what() is guaranteed to contain what_arg.The text has been machine-translated via Google Translate.
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3)
Constructions avec
ev code d'erreur sous-jacente et de la catgorie d'erreur associ ecat .Original:
Constructs with underlying error code
ev and associated error category ecat.The text has been machine-translated via Google Translate.
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4)
Constructions avec
ev code d'erreur sous-jacent, associe ecat catgorie d'erreur et what_arg chane explicative. La chane renvoye par what() est garanti pour contenir what_arg .Original:
Constructs with underlying error code
ev, associated error category ecat and explanatory string what_arg. The string returned by what() is guaranteed to contain what_arg.The text has been machine-translated via Google Translate.
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Paramtres
| ec | - | code d'erreur
Original: error code The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
| ev | - | code d'erreur dans le codage de base
Original: error code in base encoding The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
| ecat | - | la catgorie d'erreur
Original: the category of error The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
| what_arg | - | chane explicative
Original: explanatory string The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
Exemple
Montre comment crer une exception system_error d'une valeur de errno
Original:
Demonstrates how to create a system_error exception from a errno value
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#include <iostream>
#include <system_error>
int main()
{
try
{
throw std::system_error(EDOM, std::system_category());
}
catch (const std::system_error& error)
{
std::cout << "Error: " << error.code()
<< " - " << error.code().message() << '\n';
}
}
Rsultat :
Error: system:33 - Numerical argument out of domain