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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> cppreference.com
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    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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    This page has been machine-translated from the English version of the wiki using Google Translate.

    The translation may contain errors and awkward wording. Hover over text to see the original version. You can help to fix errors and improve the translation. For instructions click here.

    Click here for the English version of this page

    <metanoindex/>

     
    C++
     
    Bibliothque localisations
    Locales et facettes
    Original:
    Locales and facets
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    locale
    Classification des caractres
    Original:
    Character classification
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    Conversions
    Original:
    Conversions
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    Classes de facettes catgorie de base
    Original:
    Facet category base classes
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    Catgories de facettes
    Original:
    Facet categories
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    Spcifique aux paramtres rgionaux 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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    <tbody> </tbody>
    Dclar dans l'en-tte <locale>
    template< class charT > bool isspace( charT ch, const locale& loc );


    Vrifie si le caractre donn class comme un caractre d'espacement par facette ctype l'endroit donn de .
    Original:
    Checks if the given character classified as a whitespace character by the given locale's ctype facet.
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    Paramtres

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

    Retours true si le personnage est considr comme un caractre d'espacement, false autrement .
    Original:
    Returns true if the character is classified as a whitespace character, false otherwise.
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    Mise en uvre 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 diffrents paramtres rgionaux (spcifiques 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");
}

    Rsultat : 

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

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