std::isspace<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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| Elemento definito nell'header <locale>
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| template< class charT > bool isspace( charT ch, const locale& loc ); |
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Controlla se il carattere dato classificato come uno spazio bianco da facet ctype impostazioni internazionali di data.
Original:
Checks if the given character classified as a whitespace character by the given locale's ctype facet.
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Indice |
[modifica] Parametri
| ch | - | carattere
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 | - | locale
Original: locale The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[modifica] Valore di ritorno
Restituisce true se il personaggio è classificato come uno spazio bianco, false altrimenti.
Original:
Returns true if the character is classified as a whitespace character, false otherwise.
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[modifica] Possibile implementazione
template< class charT > bool isspace( charT ch, const std::locale& loc ) { return std::use_facet<std::ctype<charT>>(loc).is(std::ctype_base::space, ch); } |
[modifica] Esempio
Viene illustrato l'utilizzo di isspace () con diverse impostazioni internazionali (OS-specifico) .
Original:
Demonstrates the use of isspace() with different locales (OS-specific).
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#include <iostream> #include <locale> void try_with(wchar_t c, const char* loc) { std::wcout << "isspace('" << c << "', locale(\"" << loc << "\")) returned " << std::boolalpha << std::isspace(c, std::locale(loc)) << '\n'; } int main() { const wchar_t EM_SPACE = L'\u2003'; // Unicode character 'EM SPACE' try_with(EM_SPACE, "C"); try_with(EM_SPACE, "en_US.UTF8"); }
Output:
isspace(' ', locale("C")) returned false
isspace(' ', locale("en_US.UTF8")) returned true[modifica] Vedi anche
| Verifica se un carattere è un carattere di spazio Original: checks if a character is a space character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (funzione) | |
| Verifica se un carattere esteso è un carattere di spazio Original: checks if a wide character is a space character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (funzione) | |
