std::numpunct

 

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Localizzazioni libreria

Impostazioni internazionali e sfaccettature 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
use_facet	has_facet
Carattere classificazione 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.
isspace isblank (C++11) iscntrl isupper islower isalpha	isdigit ispunct isxdigit isalnum isprint isgraph
Conversioni Original: Conversions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
toupper tolower	wstring_convert (C++11) wbuffer_convert (C++11)
Facet categoria classi di base 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.
ctype_base codecvt_base messages_base	time_base money_base
Facet categorie 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.
ctype ctype<char> codecvt collate messages time_get time_put	num_get num_put numpunct money_get money_put moneypunct
Locale specifici aspetti 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.
ctype_byname ctype_byname<char> codecvt_byname messages_byname collate_byname	time_get_byname time_put_byname numpunct_byname moneypunct_byname
Codice di conversione sfaccettature 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)	codecvt_utf8_utf16 (C++11) codecvt_mode (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.
setlocale localeconv lconv	LC_ALL LC_COLLATE LC_CTYPE LC_MONETARY LC_NUMERIC LC_TIME

 

std::numpunct

Membri funzioni Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

numpunct::numpunct

numpunct::~numpunct

numpunct::decimal_point numpunct::do_decimal_point

numpunct::thousands_sep numpunct::do_thousands_sep

numpunct::grouping numpunct::do_grouping

numpunct::truename numpunct::do_truename

numpunct::falsename numpunct::do_falsename

 

Defined in header <locale>
template< class CharT > class numpunct;

Il std::numpunct aspetto incapsula preferenze punteggiatura numerici. Flusso di I / O utilizzare std::numpunct attraverso std::num_get e std::num_put per l'analisi input numerico e di uscita formattazione numerica.

Original:

The facet std::numpunct encapsulates numeric punctuation preferences. Stream I/O operations use std::numpunct through std::num_get and std::num_put for parsing numeric input and formatting numeric output.

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Inheritance diagram

Due specializzazioni sono forniti dalla libreria standard

Original:

Two specializations are provided by the standard library

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Defined in header <locale>
std::numpunct<char>	fornisce equivalenti delle "C" la scelta della lingua Original: provides equivalents of the "C" locale preferences The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
std::numpunct<wchar_t>	fornisce equivalenti caratteri estesi delle "C" la scelta della lingua Original: provides wide character equivalents of the "C" locale preferences The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Membri tipi

Membro tipo Original: Member type The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.	Definition
char_type	charT
string_type	std::basic_string<charT>

Membri funzioni

(constructor)	costruisce un nuovo aspetto numpunct Original: constructs a new numpunct facet The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (membro pubblico funzione)
(destructor)	distrugge un aspetto numpunct Original: destructs a numpunct facet The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (protetto funzione membro)
decimal_point	Invoca do_decimal_point Original: invokes do_decimal_point The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (membro pubblico funzione)
thousands_sep	Invoca do_thousands_sep Original: invokes do_thousands_sep The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (membro pubblico funzione)
grouping	Invoca do_grouping Original: invokes do_grouping The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (membro pubblico funzione)
truename	Invoca do_truename Original: invokes do_truename The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (membro pubblico funzione)
falsename	Invoca do_falsename Original: invokes do_falsename The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (membro pubblico funzione)

Protetto funzioni membro

do_decimal_point [virtuale]	fornisce il carattere da utilizzare come separatore decimale Original: provides the character to use as decimal point The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (virtuale protetto funzione membro)
do_thousands_sep [virtuale]	fornisce il carattere da utilizzare come separatore delle migliaia Original: provides the character to use as thousands separator The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (virtuale protetto funzione membro)
do_grouping [virtuale]	fornisce il numero di cifre tra ogni coppia di migliaia separatori Original: provides the numbers of digits between each pair of thousands separators The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (virtuale protetto funzione membro)
do_truename [virtuale]	fornisce la stringa da utilizzare come nome del true boolean Original: provides the string to use as the name of the boolean true The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (virtuale protetto funzione membro)
do_falsename [virtuale]	fornisce la stringa da utilizzare come nome del false boolean Original: provides the string to use as the name of the boolean false The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (virtuale protetto funzione membro)

Membri oggetti

static std::locale::id id	' Id del locale Original: id of the locale The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (membro oggetto pubblico)

Esempio

Il seguente esempio modifica le rappresentazioni di stringa di true e false

Original:

The following example changes the string representations of true and false

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#include <iostream>
#include <locale>
 
struct french_bool : std::numpunct<char> {
    string_type do_truename() const { return "oui"; }
    string_type do_falsename() const { return "non"; }
};
 
int main()
{
    std::cout << "default locale: "
              << std::boolalpha << true << ", " << false << '\n';
    std::cout.imbue(std::locale(std::cout.getloc(), new french_bool()));
    std::cout << "locale with modified numpunct: "
              << std::boolalpha << true << ", " << false << '\n';
}

Output:

default locale: true, false
locale with modified numpunct: oui, non

Vedi anche

numpunct_byname	crea un aspetto numpunct per le impostazioni internazionali di nome Original: creates a numpunct facet for the named locale The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (classe template)