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integer literal

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一般的なトピック
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General topics
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フロー制御
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Flow control
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条件付き実行文
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Conditional execution statements
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繰り返し文
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Iteration statements
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文をジャンプします
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Jump statements
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機能します
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Functions
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関数の宣言
ラムダ関数の宣言
関数テンプレート
の歴史。インライン指定
例外仕様 (廃止予定)
noexcept指定子 (C++11)
例外
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Exceptions
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名前空間
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Namespaces
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タイプ
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Types
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decltype specifier (C++11)
指定子
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Specifiers
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CV指定
貯蔵期間指定
constexprの指定子 (C++11)
自動指定 (C++11)
alignas指定子 (C++11)
初期化
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Initialization
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リテラル
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Literals
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Expressions
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代替表現
ユーティリティ
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Utilities
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タイプ
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Types
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typedef declaration
型の別名宣言 (C++11)
属性 (C++11)
キャストします
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Casts
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暗黙の型変換
const_cast conversion
static_cast conversion
dynamic_cast conversion
reinterpret_cast conversion
Cスタイルキャストと機能
メモリの割り当て
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Memory allocation
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クラス
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Classes
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クラス固有の機能特性
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Class-specific function properties
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明示 (C++11)
静的
特殊なメンバ関数
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Special member functions
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テンプレート
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Templates
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クラステンプレート
関数テンプレート
テンプレートの特殊化
パラメーターパック (C++11)
その他
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Miscellaneous
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インラインアセンブリ
 

目次

[編集] 構文

[0-9]+ type_suffix (1)
0 [0-7]+ type_suffix (2)
0 x [0-9a-b]+ type_suffix (3)

[編集] 説明

#10進表記
Original:
# Decimal notation
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#8進表記
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# Octal notation
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#16進表記
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# Hexadecimal notation
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[編集] 接尾辞によってタイプ

、(サフィックスなし)
Original:
;(no suffix)
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int
u
unsigned int
l
long
ul
unsigned long
ll (C++11およびそれ以降)
long long
ull (C++11およびそれ以降)
unsigned long long

[編集] ノート

  • 整数定数の大文字と小文字は区別されません.
    Original:
    Letters in integer constants are case-insensitive.
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[編集]

std::cout << 123    << '\n'
          << 0123   << '\n'
          << 0x123  << '\n'
          << 12345678901234567890UL << '\n'
          << -1u    << '\n'
          << -1ull  << '\n';

Output:

123
83
291
12345678901234567890
4294967295
18446744073709551615
(x86_64のプロセッサからの出力)
Original:
(output from an x86_64 processor)
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