Espaces de noms
Variantes

std::isdigit<div class="t-tr-text">(Std :: locale)<div class="t-tr-dropdown"><div><div><div class="t-tr-dropdown-arrow-border"></div><div class="t-tr-dropdown-arrow"></div><div class="t-tr-dropdown-h">Original:</div><div class="t-tr-dropdown-orig">(std::locale)</div><div class="t-tr-dropdown-notes">The text has been machine-translated via [http://translate.google.com Google Translate].<br/> You can help to correct and verify the translation. Click [http://en.cppreference.com/w/Cppreference:MachineTranslations here] for instructions.</div></div></div></div></div>

De cppreference.com

<metanoindex/>

 
 
Bibliothèque localisations
Locales et facettes
Original:
Locales and facets
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
locale
Classification des caractères
Original:
Character classification
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Conversions
Original:
Conversions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Classes de facettes catégorie de base
Original:
Facet category base classes
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Catégories de facettes
Original:
Facet categories
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Spécifique aux paramètres régionaux facettes
Original:
Locale-specific facets
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Facettes de conversion de code
Original:
Code conversion facets
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
codecvt_utf8 (C++11)
codecvt_utf16 (C++11)
C locale
Original:
C locale
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
 
<tbody> </tbody>
Déclaré dans l'en-tête <locale>
template< class charT > bool isdigit( charT ch, const locale& loc );
Vérifie si le caractère donné est classé comme un chiffre par facette std::ctype l'endroit donné de .
Original:
Checks if the given character is classified as a digit by the given locale's std::ctype facet.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

Paramètres

ch -
caractère
Original:
character
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
loc -
locale
Original:
locale
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

Retourne la valeur

Retours true si le caractère est considéré comme un chiffre, false autrement .
Original:
Returns true if the character is classified as a digit, false otherwise.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

Mise en œuvre possible

template< class charT >
bool isdigit( charT ch, const std::locale& loc ) {
    return std::use_facet<std::ctype<charT>>(loc).is(std::ctype_base::digit, ch);
}

Exemple

Voir aussi

vérifie si un caractère est un chiffre
Original:
checks if a character is a digit
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(fonction) [edit]
vérifie si un caractère large est un chiffre
Original:
checks if a wide character is a digit
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(fonction) [edit]