(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" /> 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
Namespace
Varianti

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>

Da cppreference.com.
< cpp‎ | locale

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C++
 
Localizzazioni libreria
Impostazioni internazionali e sfaccettature
Original:
Locales and facets
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locale
Carattere classificazione
Original:
Character classification
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Conversioni
Original:
Conversions
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Facet categoria classi di base
Original:
Facet category base classes
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Facet categorie
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Facet categories
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Locale specifici aspetti
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Locale-specific facets
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Codice di conversione sfaccettature
Original:
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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Elemento definito nell'header <locale>
template< class charT >
bool islower( charT ch, const locale& loc );


Controlla se il carattere dato classificato come un carattere alfabetico minuscolo dalla sfaccettatura std::ctype impostazioni internazionali di data.
Original:
Checks if the given character classified as a lowercase alphabetic character by the given locale's std::ctype facet.
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Indice

[modifica] Parametri

ch -
carattere
Original:
character
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loc -
locale
Original:
locale
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[modifica] Valore di ritorno

Restituisce true se il personaggio è classificato come minuscolo, false altrimenti.
Original:
Returns true if the character is classified as lowercase, false otherwise.
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[modifica] Possibile implementazione

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);
}

[modifica] Esempio

Viene illustrato l'utilizzo di islower () con diverse impostazioni internazionali (OS-specifico) .
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('π​', C locale) returned "
               << std::boolalpha << std::islower(c, loc1) << '\n';
 
    std::locale loc2("en_US.UTF8");
    std::cout << "islower('π​', Unicode locale) returned "
              << std::boolalpha << std::islower(c, loc2) << '\n';
}

Output: 

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

[modifica] Vedi anche
Verifica se un carattere è minuscolo
Original:
checks if a character is lowercase
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(funzione) [modifica]
Verifica se un carattere esteso è minuscolo
Original:
checks if a wide character is lowercase
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(funzione) [modifica]
Estratto da "https://it.cppreference.com/mwiki/index.php?title=cpp/locale/islower&oldid=26033"