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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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< cpp‎ | locale

 
 
Localizaciones biblioteca
Locales y facetas
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Locales and facets
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locale
Carácter clasificación
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Character classification
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Conversiones
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Conversions
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Facet clases categoría base
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Facet category base classes
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Categorías faceta
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Facet categories
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Específico de la localidad facetas
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Locale-specific facets
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Facetas código de conversión
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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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Defined in header <locale>
template< class charT >
bool islower( charT ch, const locale& loc );


Comprueba si el carácter dado clasificada como una letra minúscula faceta std::ctype por la configuración regional determinada .
Original:
Checks if the given character classified as a lowercase alphabetic character by the given locale's std::ctype facet.
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Contenido

[editar] Parámetros

ch -
carácter
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character
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loc -
locale
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locale
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[editar] Valor de retorno

Devoluciones true si el personaje está clasificado como minúsculas, por lo demás false .
Original:
Returns true if the character is classified as lowercase, false otherwise.
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[editar] Posible implementación

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);
}

[editar] Ejemplo

Muestra el uso de islower () con diferentes configuraciones regionales (OS-específico) .
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

[editar] Ver también

Comprueba si un carácter en minúsculas
Original:
checks if a character is lowercase
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(función) [edit]
Comprueba si un carácter ancho es minúscula
Original:
checks if a wide character is lowercase
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(función) [edit]