The value of a user-defined variable can be a literal or an expression. 用戶(hù)定義變量的值可以是文字或表達式。
If we could define variables in the condition, then any use of the variable would happen before the variable was defined! 如果可以在循環(huán)條件中定義變量的話(huà),則對變量的任何使用都將發(fā)生在變量定義之前!
The value of a user-defined variable can be a literal or an expression. 用戶(hù)定義變量的值可以是文字或表達式。
If we could define variables in the condition, then any use of the variable would happen before the variable was defined! 如果可以在循環(huán)條件中定義變量的話(huà),則對變量的任何使用都將發(fā)生在變量定義之前!