名前空間
変種
操作

for loop

提供: cppreference.com
< cpp‎ | language

 
 
C + +言語
一般的なトピック
Original:
General topics
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
フロー制御
Original:
Flow control
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
条件付き実行文
Original:
Conditional execution statements
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
繰り返し文
Original:
Iteration statements
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
for loop
range-for loop (C++11)
文をジャンプします
Original:
Jump statements
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
機能します
Original:
Functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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
Original:
Exceptions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
名前空間
Original:
Namespaces
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
タイプ
Original:
Types
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
decltype specifier (C++11)
指定子
Original:
Specifiers
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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
Original:
Initialization
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
リテラル
Original:
Literals
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Original:
Expressions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
代替表現
ユーティリティ
Original:
Utilities
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
タイプ
Original:
Types
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
typedef declaration
型の別名宣言 (C++11)
属性 (C++11)
キャストします
Original:
Casts
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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
Original:
Memory allocation
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
Original:
Classes
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
クラス固有の機能特性
Original:
Class-specific function properties
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
明示 (C++11)
静的
特殊なメンバ関数
Original:
Special member functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
テンプレート
Original:
Templates
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
Original:
Miscellaneous
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
インラインアセンブリ
 
ループを実行.
Original:
Executes a loop.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
のより読み相当として使用.

目次

[編集] 構文

for ( init_expression ; cond_expression ; iteration_expression ) loop_statement

[編集] 説明

上記の構文に相当するコードを生成します
Original:
The above syntax produces code equivalent to:
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
{
init_expression ;
while ( cond_exression ) {
loop_statement
iteration_expression ;
}

}

init_expressionは、ループの実行前に実行されます。 cond_expressionboolに変換、値に評価しなければならない。これは、ループの各反復の前に評価されます。ループは、その値がtrueある場合にのみ続行されます。 loop_statementiteration_expressionが実行された後、繰り返しのたびに実行されます.
Original:
The init_expression is executed before the execution of the loop. The cond_expression shall evaluate to value, convertible to bool. It is evaluated before each iteration of the loop. The loop continues only if its value is true. The loop_statement is executed on each iteration, after which iteration_expression is executed.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
は文の終端として使用することができます.
Original:
If the execution of the loop needs to be terminated at some point,
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
はショートカットとして使用することができます.
Original:
If the execution of the loop needs to be continued at the end of the loop body,
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[編集] キーワード

for

[編集]

#include <iostream>
 
int main() 
{
    for (int i = 0; i < 10; i++) {
        std::cout << i << " ";
    }
 
    std::cout << '\n';
 
    for (int j = 2; j < 9; j = j + 2) {
        std::cout << j << " ";
    }
}

Output:

0 1 2 3 4 5 6 7 8 9
2 4 6 8