std::isgraph<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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<tbody> </tbody>| Definido no cabeçalho <locale>
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template< class charT > bool isgraph( charT ch, const locale& loc ); |
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Verifica se o caráter dado classificado como um personagem gráfico (ou seja, impressão, excluindo o espaço) por a faceta determinada localidade de std::ctype.
Original:
Checks if the given character classified as a graphic character (i.e. printable, excluding space) by the given locale's std::ctype facet.
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Parâmetros
| ch | - | personagem
Original: character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
| loc | - | localidade
Original: locale The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
Valor de retorno
Retorna
true se o personagem é classificado como gráfico, false outra forma.Original:
Returns
true if the character is classified as graphic, false otherwise.The text has been machine-translated via Google Translate.
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Possível implementação
template< class charT >
bool isgraph( charT ch, const std::locale& loc ) {
return std::use_facet<std::ctype<charT>>(loc).is(std::ctype_base::graph, ch);
}
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Exemplo
Demonstra o uso de isgraph () com diferentes localidades (OS-específica) .
Original:
Demonstrates the use of isgraph() with different locales (OS-specific).
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#include <iostream>
#include <locale>
int main()
{
const wchar_t c = L'\u2a0c'; // quadruple integral
std::locale loc1("C");
std::cout << "isgraph('⨌', C locale) returned "
<< std::boolalpha << std::isgraph(c, loc1) << '\n';
std::locale loc2("en_US.UTF-8");
std::cout << "isgraph('⨌', Unicode locale) returned "
<< std::boolalpha << std::isgraph(c, loc2) << '\n';
}
Saída:
isgraph('⨌', C locale) returned false
isgraph('⨌', Unicode locale) returned true