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    std::use_facet

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    <metanoindex/>

     
    C++
     
    Lokalisierungen Bibliothek
    Locales und Facetten
    Original:
    Locales and facets
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    locale
    Buchstaben-Klassifikation
    Original:
    Character classification
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    Conversions
    Original:
    Conversions
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    Facet Kategorie Basisklassen
    Original:
    Facet category base classes
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    Facet Kategorien
    Original:
    Facet categories
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    Locale-spezifische Facetten
    Original:
    Locale-specific facets
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    Code-Konvertierung Facetten
    Original:
    Code conversion facets
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    codecvt_utf8(C++11)
    codecvt_utf16(C++11)
    C locale
    Original:
    C locale
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    <tbody> </tbody>
    definiert in Header <locale>
    template< class Facet > const Facet& use_facet( const std::locale& loc );
    Erhält einen Verweis auf eine Facette durch loc umgesetzt .
    Original:
    Obtains a reference to a facet implemented by loc.
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    Parameter

    loc -
    das Gebietsschema Objekt abzufragen
    Original:
    the locale object to query
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    Rückgabewert

    Gibt einen Verweis auf die Facette. Der Verweis von dieser Funktion zurückgegeben wird, ist so lange gültig, wie jeder std::locale Objekt existiert, dass implementiert 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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    Ausnahmen

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

    Beispiel

    Zeigen Sie das 3-Buchstaben den Namen der Währung von der vom Benutzer bevorzugten Gebietsschema verwendet
    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

    Siehe auch
    eingestellt von polymorphen Facetten, die kulturellen Unterschiede zu kapseln
    Original:
    set of polymorphic facets that encapsulate cultural differences
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    (Klasse) [edit]
    prüft, ob eine locale implementiert eine spezielle Facette
    Original:
    checks if a locale implements a specific facet
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    (Funktions-Template) [edit]