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    std::isblank<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++
     
    Lokalisierungen Bibliothek
    Locales und Facetten
    Original:
    Locales and facets
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    locale
    Buchstaben-Klassifikation
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    Character classification
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    Conversions
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    Conversions
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    Facet Kategorie Basisklassen
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    Facet category base classes
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    Facet Kategorien
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    Facet categories
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    Locale-spezifische Facetten
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    Locale-specific facets
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    Code-Konvertierung Facetten
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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>
    definiert in Header <locale>
    template< class charT > bool isblank( charT ch, const locale& loc );
    		 (seit C++11)


    Prüft, ob die angegebene Zeichen wird als ein Leerzeichen durch die gegebenen Gebietsschemas ctype Facette eingestuft .
    Original:
    Checks if the given character is classified as a blank character by the given locale's ctype facet.
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    Parameter

    ch -
    Charakter
    Original:
    character
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    loc -
    locale
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    locale
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    Rückgabewert

    Versandkosten true wenn das Zeichen als ein Leerzeichen eingestuft, false sonst .
    Original:
    Returns true if the character is classified as a blank character, false otherwise.
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    Mögliche Implementierung

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

    Beispiel

    Veranschaulicht die Verwendung von isblank () mit verschiedenen locales (OS-spezifische) .
    Original:
    Demonstrates the use of isblank() with different locales (OS-specific).
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    #include <iostream>
#include <locale>
template< class charT >
void try_with(wchar_t c, const char* loc)
{
    std::wcout << "isblank('" << c << "', locale(\"" << loc << "\")) returned " << std::boolalpha
               << std::isblank(c, std::locale(loc)) << '\n';
}
int main()
{
    const wchar_t IDEO_SPACE = L'\u3000'; // Unicode character 'IDEOGRAPHIC SPACE'
    try_with(IDEO_SPACE, "C");
    try_with(IDEO_SPACE, "en_US.UTF-8");
}

    Output: 

    isblank(' ', locale("C")) returned false
isblank(' ', locale("en_US.UTF-8")) returned true

    Siehe auch

    (C++11)
    prüft, ob ein Zeichen ein Leerzeichen ist
    Original:
    checks if a character is a blank character
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    (Funktion) [edit]
    (C++11)
    prüft, ob eine breite Zeichen ist ein Leerzeichen
    Original:
    checks if a wide character is a blank character
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    (Funktion) [edit]