Espaces de noms
Variantes

    std::isspace<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>

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    <metanoindex/>

     
    C++
     
    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
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    Locale-specific facets
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    Facettes de conversion de code
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    Code conversion facets
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    codecvt_utf8 (C++11)
    codecvt_utf16 (C++11)
    C locale
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    C locale
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    <tbody> </tbody>
    Déclaré dans l'en-tête <locale>
    template< class charT > bool isspace( charT ch, const locale& loc );


    Vérifie si le caractère donné classé comme un caractère d'espacement par facette ctype l'endroit donné de .
    Original:
    Checks if the given character classified as a whitespace character by the given locale's ctype facet.
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    Paramètres

    ch -
    caractère
    Original:
    character
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    loc -
    locale
    Original:
    locale
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    Retourne la valeur

    Retours true si le personnage est considéré comme un caractère d'espacement, false autrement .
    Original:
    Returns true if the character is classified as a whitespace character, false otherwise.
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    Mise en œuvre possible

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

    Exemple

    Illustre l'utilisation de isspace () avec différents paramètres régionaux (spécifiques à l'OS) .
    Original:
    Demonstrates the use of isspace() with different locales (OS-specific).
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    #include <iostream>
#include <locale>
void try_with(wchar_t c, const char* loc)
{
    std::wcout << "isspace('" << c << "', locale(\"" << loc << "\")) returned "
               << std::boolalpha << std::isspace(c, std::locale(loc)) << '\n';
}
int main()
{
    const wchar_t EM_SPACE = L'\u2003'; // Unicode character 'EM SPACE'
    try_with(EM_SPACE, "C");
    try_with(EM_SPACE, "en_US.UTF8");
}

    Résultat : 

    isspace(' ', locale("C")) returned false
isspace(' ', locale("en_US.UTF8")) returned true

    Voir aussi
    vérifie si un caractère est un caractère d'espace
    Original:
    checks if a character is a space character
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    (fonction) [edit]
    vérifie si un caractère large est un caractère d'espace
    Original:
    checks if a wide character is a space character
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    (fonction) [edit]