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std::use_facet

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< cpp‎ | locale

 
 
Localizaciones biblioteca
Locales y facetas
Original:
Locales and facets
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locale
use_facet
Carácter clasificación
Original:
Character classification
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Conversiones
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Conversions
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Facet clases categoría base
Original:
Facet category base classes
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Categorías faceta
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Facet categories
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Específico de la localidad facetas
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Locale-specific facets
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Facetas código de conversión
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Code conversion facets
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codecvt_utf8(C++11)
codecvt_utf16(C++11)
C locale
Original:
C locale
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Defined in header <locale>
template< class Facet >
const Facet& use_facet( const std::locale& loc );
Obtiene una referencia a una faceta implementado por loc .
Original:
Obtains a reference to a facet implemented by loc.
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Contenido

[editar] Parámetros

loc -
el objeto locale consultar
Original:
the locale object to query
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[editar] Valor de retorno

Devuelve una referencia de la faceta. La referencia devuelta por esta función es válida siempre y cuando cualquier objeto que implemente std::locale existe Facet .
Original:
Returns a reference the facet. The reference returned by this function is valid as long as any std::locale object exists that implements Facet.
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[editar] Excepciones

std::bad_cast if std::has_facet<Facet>(loc) == false.

[editar] Ejemplo

Muestra el nombre de la moneda de 3 letras utilizado por la configuración regional preferida del usuario
Original:
Display the 3-letter currency name used by the user's preferred locale
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#include <iostream>
#include <locale>
 
int main()
{
    std::locale loc = std::locale(""); // user's preferred locale
    std::cout << "Your currency string is "
              << std::use_facet<std::moneypunct<char, true>>(loc).curr_symbol() << '\n';
}

Output:

Your currency string is USD

[editar] Ver también

conjunto de facetas polimórficos que encapsulan las diferencias culturales
Original:
set of polymorphic facets that encapsulate cultural differences
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(clase) [edit]
Comprueba si un local implementa una faceta específica
Original:
checks if a locale implements a specific facet
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(función de plantilla) [edit]