std::iswctype
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| Déclaré dans l'en-tête <cwctype>
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| int iswctype( std::wint_t ch, std::wctype_t desc ); |
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Classe le caractère large
wc utilisant catégorie LC_CTYPE de la localisation en cours C identifié par desc .Original:
Classifies the wide character
wc using the current C locale's LC_CTYPE category identified by desc.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
Sommaire |
[modifier] Paramètres
| ch | - | le caractère large de classer
Original: the wide character to classify The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
| desc | - | la catégorie LC_CTYPE, obtenu par un appel à std::wctype
Original: the LC_CTYPE category, obtained from a call to std::wctype The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[modifier] Retourne la valeur
Non nulle si le personnage a
ch la propriété identifiée par desc dans la facette LC_CTYPE de la localisation en cours C .Original:
Non-zero if the character
ch has the property identified by desc in LC_CTYPE facet of the current C locale.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
[modifier] Exemple
#include <clocale> #include <cwctype> #include <iostream> bool classify(wchar_t ch, const std::string& cat) { return std::iswctype(ch, std::wctype(cat.c_str())); } int main() { std::setlocale(LC_ALL, "ja_JP.UTF-8"); std::cout << "The character \u6c34 is...\n"; for(std::string s : {"digit", "alpha", "space", "cntrl", "jkanji"}) std::cout << s << "? " << std::boolalpha << classify(L'\u6c34', s) << '\n'; }
Résultat :
The character 水 is... digit? false alpha? true space? false cntrl? false jkanji? true
[modifier] Voir aussi
| lève une catégorie de classification caractère dans la locale courante C Original: looks up a character classification category in the current C locale The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) | |
