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> – cppreference.com

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>

Aus cppreference.com

<metanoindex/>

 
C++
 
Lokalisierungen Bibliothek
Locales und Facetten
Original:
Locales and facets
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
locale
Buchstaben-Klassifikation
Original:
Character classification
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Conversions
Original:
Conversions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Facet Kategorie Basisklassen
Original:
Facet category base classes
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Facet Kategorien
Original:
Facet categories
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Locale-spezifische Facetten
Original:
Locale-specific facets
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Code-Konvertierung Facetten
Original:
Code conversion facets
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
codecvt_utf8(C++11)
codecvt_utf16(C++11)
C locale
Original:
C locale
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
 
<tbody> </tbody>
definiert in Header <locale>
template< class charT > bool isspace( charT ch, const locale& loc );


Prüft, ob die angegebene Zeichen als Leerzeichen durch die gegebenen Gebietsschemas ctype Facette eingestuft .
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.

Parameter

ch -
Charakter
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.

Rückgabewert

Versandkosten true wenn der Charakter als einem Leerzeichen eingestuft, false sonst .
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.

Mögliche Implementierung

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);
}

Beispiel

Veranschaulicht die Verwendung von isspace () mit verschiedenen locales (OS-spezifische) .
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.

#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

Siehe auch