Espaces de noms
Variantes

    std::tolower<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 > charT tolower( charT ch, const locale& loc );
    Convertit le ch caractère en minuscule si possible, en utilisant les règles de conversion prévues par facette std::ctype l'endroit donné de .
    Original:
    Converts the character ch to lowercase if possible, using the conversion rules specified by the given locale's std::ctype facet.
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    Paramètres

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

    Renvoie la forme de minuscules ch si l'on est inscrit dans la localisation, sinon retourner ch inchangé .
    Original:
    Returns the lowercase form of ch if one is listed in the locale, otherwise return ch unchanged.
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    Notes

    Seulement 1:1 mappage de caractères peut être effectuée par cette fonction, par exemple, la lettre majuscule grecque Σ 'a deux formes minuscules, en fonction de la position dans un mot: «σ» et «ς». Un appel à std::tolower ne peut pas être utilisé pour obtenir la forme correcte minuscules dans cette affaire .
    Original:
    Only 1:1 character mapping can be performed by this function, e.g. the Greek uppercase letter 'Σ' has two lowercase forms, depending on the position in a word: 'σ' and 'ς'. A call to std::tolower cannot be used to obtain the correct lowercase form in this case.
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    Mise en œuvre possible

    template< class charT >
charT tolower( charT ch, const std::locale& loc ) {
    return std::use_facet<std::ctype<charT>>(loc).tolower(ch);
}

    Exemple

    This section is incomplete
    Reason: no example

    Voir aussi
    convertit un caractère en majuscules en utilisant la facette ctype d'un lieu
    Original:
    converts a character to uppercase using the ctype facet of a locale
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    (fonction générique) [edit]
    convertit un caractère en minuscule
    Original:
    converts a character to lowercase
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    (fonction) [edit]
    convertit le caractère large en minuscules
    Original:
    converts a wide character to lowercase
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    (fonction) [edit]