std::generic_category
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| Definido en la cabecera <system_error>
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| const std::error_category& generic_category(); |
(desde C++11) | |
Obtiene una referencia al objeto de error de categoría estática de los errores genéricos. El objeto es necesaria para anular el error_category::name() función virtual para devolver un puntero a la cadena "generic". Se utiliza para identificar condiciones de error que corresponden a los códigos de POSIX errno .
Original:
Obtains a reference to the static error category object for generic errors. The object is required to override the virtual function error_category::name() to return a pointer to the string "generic". It is used to identify error conditions that correspond to the POSIX errno codes.
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Contenido |
[editar] Parámetros
(Ninguno)
Original:
(none)
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[editar] 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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[editar] Excepciones
[editar] Ejemplo
#include <iostream> #include <system_error> #include <cerrno> #include <string> int main() { std::error_condition econd = std::generic_category().default_error_condition(EDOM); std::cout << "Category: " << econd.category().name() << '\n' << "Value: " << econd.value() << '\n' << "Message: " << econd.message() << '\n'; }
Salida:
Category: generic Value: 33 Message: Numerical argument out of domain
[editar] Ver también
| (C++11) |
identifica la categoría de error del sistema operativo Original: identifies the operating system error category The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (función) |
| (C++11) |
la enumeración std::error_condition lista de todos los estándares <cerrno> constantes macroOriginal: the std::error_condition enumeration listing all standard <cerrno> macro constantsThe text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (clase) |

