if do,if if else

if do,if if else

if(i>1)then m=i endif end 当if代码段只有一条执行语句时，可以简化成subroutine simplify-if integer::i , m i=5 if(i>1) m=i end do语句的两种写法写法一：Clojure中的'if-do'表达式用于允许为'if'语句的每个分支执行多个表达式。我们已经在Clojure的经典的“if”语句中看到，你可以只有两个语句，一个是真正的部分，

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∪０∪ LoopRequired. Terminates the definition of theDoloop. Remarks Use aDoLoopstructure when you want to repeat a set of statements an indefinite numbif后面加do还是doing都可以加，if引导的条件状语从句中用一般现在时态。引导条件状语从句，用一般现在时代替将来时。IF是一个英语单词，名词、连词，作名词时意思是“条件，设想；

if格式：if(test_condition){statement;//若条件为真则执行下列语句} 注意：C++中if条件语句的test_condition语句不一定是bool类型，所以有时候由于粗心会出现1. If we miss the last bus, we’ll have to walk home. 2. If it rains, we’ll have to go indoors. 3. If I have enough money next year, I will go to England. 4. What shall we do if it