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>
Da cppreference.com
 |
This page has been machine-translated from the English version of the wiki using Google Translate.
The translation may contain errors and awkward wording. Hover over text to see the original version. You can help to fix errors and improve the translation. For instructions click here. |
| Definido no cabeçalho <locale>
|
||
| template< class charT > bool isspace( charT ch, const locale& loc ); |
||
Verifica se o caráter dado classificado como um personagem por espaços em branco faceta ctype a determinado local do.
Original:
Checks if the given character classified as a whitespace character by the given locale's ctype facet.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
Índice |
[editar] 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. |
[editar] Valor de retorno
Retorna true se o personagem é classificado como um personagem espaços em branco, caso contrário false.
Original:
Returns true if the character is classified as a whitespace character, false otherwise.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
[editar] Possível implementação
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); } |
[editar] Exemplo
Demonstra o uso de isspace () com diferentes localidades (OS-específica) .
Original:
Demonstrates the use of isspace() with different locales (OS-specific).
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
#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"); }
Saída:
isspace(' ', locale("C")) returned false
isspace(' ', locale("en_US.UTF8")) returned true[editar] Veja também
| verifica se um caractere é um caractere de espaço 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. (função) | |
| verifica se um caractere largo é um caractere de espaço 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. (função) | |
