std::numpunct
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<metanoindex/>
<tbody> </tbody>| Déclaré dans l'en-tête <locale>
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template< class CharT > class numpunct; |
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Le std::numpunct facette encapsule les préférences de ponctuation numériques. Flux d'E / S opérations utilisent std::numpunct par std::num_get et std::num_put pour analyser l'entrée numérique et une sortie mise en forme numérique .
Original:
The facet std::numpunct encapsulates numeric punctuation preferences. Stream I/O operations use std::numpunct through std::num_get and std::num_put for parsing numeric input and formatting numeric output.
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Inheritance diagram
Deux spécialisations sont fournis par la bibliothèque standard
Original:
Two specializations are provided by the standard library
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Defined in header
<locale> | |
std::numpunct<char>
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fournit des équivalents des préférences "C"
Original: provides equivalents of the "C" locale preferences The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
std::numpunct<wchar_t>
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fournit des équivalents de caractères étendus des préférences "C"
Original: provides wide character equivalents of the "C" locale preferences The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
Types de membres
| Type du membre | Définition |
char_type
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charT
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string_type
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std::basic_string<charT>
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Fonctions membres
Modèle:cpp/locale/numpunct/dsc truenameModèle:cpp/locale/numpunct/dsc falsename construit un nouveau numpunct facette Original: constructs a new numpunct facet The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction membre publique) | |
Détruit une facette numpunct Original: destructs a numpunct facet The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction membre protégée) | |
Invoque do_decimal_point Original: invokes do_decimal_point The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction membre publique) | |
Invoque do_thousands_sep Original: invokes do_thousands_sep The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction membre publique) | |
Invoque do_grouping Original: invokes do_grouping The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction membre publique) | |
Protégé fonctions membres
Modèle:cpp/locale/numpunct/dsc do truenameModèle:cpp/locale/numpunct/dsc do falsename[ virtuel ]Original: virtual The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
fournit le caractère à utiliser comme séparateur décimal Original: provides the character to use as decimal point The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction membre virtuelle protégée) |
[ virtuel ]Original: virtual The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
fournit le caractère à utiliser comme séparateur de milliers Original: provides the character to use as thousands separator The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction membre virtuelle protégée) |
[ virtuel ]Original: virtual The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
indique le nombre de chiffres entre chaque paire de milliers
séparateurs Original: provides the numbers of digits between each pair of thousands
separators The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction membre virtuelle protégée) |
Objets membres
static std::locale::id id |
Id de la localisation Original: id of the locale The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (objet membre public) |
Exemple
L'exemple suivant modifie les représentations de chaîne de
true et false
Original:
The following example changes the string representations of
true and false
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#include <iostream>
#include <locale>
struct french_bool : std::numpunct<char> {
string_type do_truename() const { return "oui"; }
string_type do_falsename() const { return "non"; }
};
int main()
{
std::cout << "default locale: "
<< std::boolalpha << true << ", " << false << '\n';
std::cout.imbue(std::locale(std::cout.getloc(), new french_bool()));
std::cout << "locale with modified numpunct: "
<< std::boolalpha << true << ", " << false << '\n';
}
Résultat :
default locale: true, false
locale with modified numpunct: oui, non
Voir aussi
crée une facette numpunct pour l'environnement local nommé Original: creates a numpunct facet for the named locale The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (classe générique) | |