std::use_facet

 

C++

言語

コンセプト

ユーティリティライブラリ

ストリングスライブラリ

コンテナライブラリ

アルゴリズムライブラリ

イテレータライブラリ

ニューメリックスライブラリ

入力/出力ライブラリ

ローカライゼーションライブラリ

正規表現ライブラリ (C++11)

アトミック操作ライブラリ (C++11)

スレッドのサポートライブラリ (C++11)

 

ローカライゼーションライブラリ

ロケールおよびファセット 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
文字分類 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
変換 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)
ファセットカテゴリの基底クラスです 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
ファセットカテゴリ 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
ロケール固有のファセット 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
コー​​ド変換ファセット 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ロケール 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

 

Defined in header <locale>
template< class Facet > const Facet& use_facet( const std::locale& loc );

locによって実装ファセットへの参照を取得し.

Original:

Obtains a reference to a facet implemented by loc.

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

パラメータ

loc

-

クエリへのロケールオブジェクト Original: the locale object to query The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

値を返します

参照のファセットを返します。任意std::localeオブジェクトがFacetを実装していることが存在するように、この関数によって返される参照は限り有効です.

Original:

Returns a reference the facet. The reference returned by this function is valid as long as any std::locale object exists that implements Facet.

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

例外

std::bad_cast if std::has_facet<Facet>(loc) == false.

例

ユーザの優先ロケールで使用される3文字の通貨の名前を表示します

Original:

Display the 3-letter currency name used by the user's preferred locale

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>
 
int main()
{
    std::locale loc = std::locale(""); // user's preferred locale
    std::cout << "Your currency string is "
              << std::use_facet<std::moneypunct<char, true>>(loc).curr_symbol() << '\n';
}

Output:

Your currency string is USD

も参照してください

locale	文化の違いをカプセル化するポリモーフィックなファセットの集合 Original: set of polymorphic facets that encapsulate cultural differences The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (クラス)
has_facet	ロケールかどうかをチェックするには、特定のファセットを実装しています Original: checks if a locale implements a specific facet The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (関数テンプレート)