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std::islower<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::islower<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
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    Facet categories
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    Spcifique aux paramtres rgionaux 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>
    Dclar dans l'en-tte <locale>
    template< class charT > bool islower( charT ch, const locale& loc );


    Vrifie si le caractre donn classe comme une lettre minuscule par facette std::ctype l'endroit donn de .
    Original:
    Checks if the given character classified as a lowercase alphabetic character by the given locale's std::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 class comme minuscules, false autrement .
    Original:
    Returns true if the character is classified as lowercase, false otherwise.
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    Mise en uvre possible

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

    Exemple

    Illustre l'utilisation de islower () avec diffrents paramtres rgionaux (spcifiques l'OS) .
    Original:
    Demonstrates the use of islower() with different locales (OS-specific).
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    #include <iostream>
#include <locale>
int main()
{
    const wchar_t c = L'\u03c0'; // greek small letter pi
 
    std::locale loc1("C");
    std::cout << "islower('', C locale) returned "
               << std::boolalpha << std::islower(c, loc1) << '\n';
 
    std::locale loc2("en_US.UTF8");
    std::cout << "islower('', Unicode locale) returned "
              << std::boolalpha << std::islower(c, loc2) << '\n';
}

    Rsultat : 

    islower('', C locale) returned false
islower('', Unicode locale) returned true

    Voir aussi
    vrifie si un caractre est en minuscule
    Original:
    checks if a character is lowercase
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    (fonction) [edit]
    vrifie si un caractre large est en minuscules
    Original:
    checks if a wide character is lowercase
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    (fonction) [edit]
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