(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 :: 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">
close
Espacios de nombres
Variantes

std::tolower<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>

De cppreference.com
 
 
 
<tbody> </tbody>
Definido en el archivo de encabezado <locale>
template< class charT > charT tolower( charT ch, const locale& loc );
Convierte el ch carácter a minúscula, si es posible, utilizando las reglas de conversión especificados por faceta std::ctype la configuración regional determinada .
Original:
Converts the character ch to lowercase if possible, using the conversion rules specified by the given locale's std::ctype facet.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

Parámetros

ch -
carácter
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.

Valor de retorno

Devuelve la forma minúscula de ch si uno está en la lista en el entorno local, de lo contrario volverá ch sin cambios .
Original:
Returns the lowercase form of ch if one is listed in the locale, otherwise return ch unchanged.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

Notas

Sólo 01:01 asignación de caracteres se puede realizar por esta función, por ejemplo, la letra mayúscula griega "Σ" tiene dos formas minúsculas, dependiendo de la posición en una palabra: 'σ' y 'ς'. Una llamada a std::tolower no se puede utilizar para obtener la forma correcta minúsculas en este caso .
Original:
Only 1:1 character mapping can be performed by this function, e.g. the Greek uppercase letter 'Σ' has two lowercase forms, depending on the position in a word: 'σ' and 'ς'. A call to std::tolower cannot be used to obtain the correct lowercase form in this case.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

Posible implementación

template< class charT >
charT tolower( charT ch, const std::locale& loc ) {
    return std::use_facet<std::ctype<charT>>(loc).tolower(ch);
}

Ejemplo

Ver también

Convierte un carácter a mayúscula usando la faceta ctype de una configuración regional.
(plantilla de función) [editar]
Convierte un carácter a minúsculas
(función) [editar]
Convierte una carácter ancho a minúsculas
(función) [editar]