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while loop

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while loop
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Used where code needs to be executed several times while some condition is present.
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目次

[編集]構文

while (cond_expression)loop_statement

[編集]説明

cond_expressionは、その結果boolに変換可能な表現でなければならない。それはloop_statementcond_expressionと評価された場合にのみ実行されtrue、それぞれの実行前に評価されます.
Original:
cond_expression shall be an expression, whose result is convertible to bool. It is evaluated before each execution of loop_statement, which is only executed if the cond_expression evaluates to true.
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は文の終端として使用することができます.
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If the execution of the loop needs to be terminated at some point,
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はショートカットとして使用することができます.
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If the execution of the loop needs to be continued at the end of the loop body,
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[編集]キーワード

while

[編集]

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

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