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std::numpunct

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C++
 
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
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locale
文字分類
Original:
Character classification
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変換
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Conversions
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ファセットカテゴリの基底クラスです
Original:
Facet category base classes
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ファセットカテゴリ
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Facet categories
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ロケール固有のファセット
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Locale-specific facets
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コー​​ド変換ファセット
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Code conversion facets
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codecvt_utf8(C++11)
codecvt_utf16(C++11)
Cロケール
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C locale
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std::numpunct
 
Defined in header <locale>
template< class CharT >
class numpunct;
ファセットstd::numpunctは、数値、句読点設定をカプセル化します。 std::numpunct通ってstd::num_get数値の入力と書式設定の数値の出力を解析するためのストリームI / O操作の使用std::num_put.
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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cpp/locale/locale/facetstd-numpunct-inheritance.svg
画像の詳細

Inheritance diagram

2つの専門分野は、標準ライブラリで提供されています
Original:
Two specializations are provided by the standard library
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Defined in header <locale>
std::numpunct<char>
"C"ロケール·プリファレンスの同等物を提供しています
Original:
provides equivalents of the "C" locale preferences
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std::numpunct<wchar_t>
"C"ロケール·プリファレンスのワイド文字同等物を提供しています
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provides wide character equivalents of the "C" locale preferences
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目次

[編集] メンバータイプ

メンバー·タイプ
Original:
Member type
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 Definition
char_type charT
string_type std::basic_string<charT>

[編集] メンバ関数
新しいnumpunctファセットを構築します
Original:
constructs a new numpunct facet
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(パブリックメンバ関数) [edit]
numpunctファセットを破棄します
Original:
destructs a numpunct facet
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(メンバー関数を保護しました) [edit]
do_decimal_pointを呼び出します
Original:
invokes do_decimal_point
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(パブリックメンバ関数) [edit]
do_thousands_sepを呼び出します
Original:
invokes do_thousands_sep
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(パブリックメンバ関数) [edit]
do_groupingを呼び出します
Original:
invokes do_grouping
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(パブリックメンバ関数) [edit]
do_truenameを呼び出します
Original:
invokes do_truename
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(パブリックメンバ関数) [edit]
do_falsenameを呼び出します
Original:
invokes do_falsename
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(パブリックメンバ関数) [edit]

[編集] メンバ関数を保護しました

[仮想]
小数点として使用する文字を提供します
Original:
provides the character to use as decimal point
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(仮想protectedメンバ関数) [edit]
[仮想]
桁区切り記号として使用する文字を提供します
Original:
provides the character to use as thousands separator
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(仮想protectedメンバ関数) [edit]
[仮想]
何千人もの各ペア間の桁の数字を提供しています セパレータ
Original:
provides the numbers of digits between each pair of thousands separators
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(仮想protectedメンバ関数) [edit]
[仮想]
ブールtrueの名前として使用する文字列を提供します
Original:
provides the string to use as the name of the boolean true
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(仮想protectedメンバ関数) [edit]
[仮想]
ブールfalseの名前として使用する文字列を提供します
Original:
provides the string to use as the name of the boolean false
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(仮想protectedメンバ関数) [edit]

[編集] メンバーオブジェクト

static std::locale::id id
idはロケールの
Original:
id of the locale
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(パブリックメンバオブジェクト)

[編集] 例

次の例では、変更trueとfalseの文字列表現
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

[編集] も参照してください
名前のロケール用numpunctファセットを作成します
Original:
creates a numpunct facet for the named locale
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(クラステンプレート)
「http://ja.cppreference.com/mwiki/index.php?title=cpp/locale/numpunct&oldid=19424」より作成