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std::locale::id

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< cpp‎ | locale‎ | locale

 
 
Bibliothèque localisations
Locales et facettes
Original:
Locales and facets
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locale
Classification des caractères
Original:
Character classification
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Conversions
Original:
Conversions
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Classes de facettes catégorie de base
Original:
Facet category base classes
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Catégories de facettes
Original:
Facet categories
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Spécifique aux paramètres régionaux facettes
Original:
Locale-specific facets
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Facettes de conversion de code
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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std::locale
Types de membres
Original:
Member types
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locale::id
locale::facet
Les fonctions membres
Original:
Member functions
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locale::locale
locale::~locale
locale::operator=
locale::combine
locale::name
locale::operator==
locale::operator!=
locale::operator()
Fonctions membres statiques
Original:
Static member functions
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locale::global
locale::classic
 
Defined in header <locale>
class locale::id;
Le std::locale::id classe fournit l'implémentation spécifique d'identification d'une facette locale. Chaque classe dérivée de std::locale::facet doit avoir un membre statique public d'std::locale::id type et chaque objet std::locale maintient une liste de facettes qu'elle met en œuvre, indexés par leurs ids .
Original:
The class std::locale::id provides implementation-specific identification of a locale facet. Each class derived from std::locale::facet must have a public static member of type std::locale::id and each std::locale object maintains a list of facets it implements, indexed by their ids.
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[modifier] Fonctions membres

construit un nouvel identifiant
Original:
constructs a new id
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(fonction membre publique)
operator=
opérateur d'affectation de copie est supprimée
Original:
copy assignment operator is deleted
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(fonction membre publique)

[modifier] Exemple

L'exemple suivant montre comment construire une facette peu personnalisée .
Original:
The following example shows how to construct a minimal custom facet.
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#include <iostream>
#include <locale>
#include <iostream>
#include <locale>
 
struct myfacet : std::locale::facet
{
    myfacet(std::size_t refs=0) : facet(refs) {}
    static std::locale::id id;
};
 
std::locale::id myfacet::id;
 
int main()
{
    std::locale myloc(std::locale(), new myfacet);
    std::cout << "has_facet<myloc, myfacet> returns " << std::boolalpha
              << std::has_facet<myfacet>(myloc) << '\n';
}

Résultat :

has_facet<myloc, myfacet> returns true

[modifier] Voir aussi

la classe de base pour toutes les catégories de facettes: chaque facette de toute catégorie provient de ce type
Original:
the base class for all facet categories: each facet of any category is derived from this type
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(classe) [edit]