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std::isdigit<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

 
 
Biblioteca localizações
Localidades e facetas
Original:
Locales and facets
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locale
Classificação de caracteres
Original:
Character classification
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Conversões
Original:
Conversions
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Facet classes base da categoria
Original:
Facet category base classes
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Categorias faceta
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Facet categories
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Específicos da localidade facetas
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Locale-specific facets
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Facetas de conversão de código
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Code conversion facets
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codecvt_utf8(C++11)
codecvt_utf16(C++11)
C localidade
Original:
C locale
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Defined in header <locale>
template< class charT >
bool isdigit( charT ch, const locale& loc );

Checks if the given character is classified as a digit by the given locale's std::ctype facet.

Índice

[editar] Parâmetros

ch -
personagem
Original:
character
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loc -
localidade
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locale
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[editar] Valor de retorno

Returns true if the character is classified as a digit, false otherwise.

[editar] Possível implementação

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

[editar] Exemplo

[editar] Veja também

verifica se um caractere é um dígito
Original:
checks if a character is a digit
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(função) [edit]
verifica se um caractere largo é um dígito
Original:
checks if a wide character is a digit
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(função) [edit]