C++ 关键字: while
来自 cppreference.com
[编辑] 用法
[编辑] 示例
运行此代码
#include <iostream> int main() noexcept { int i{3}; // The following 'while' loop statement: // 1. (condition) Checks if value of the variable 'i' is greater than zero // and if not, ends the loop execution with end of this point. // Post-decrements the variable 'i' (decreases its value by 1). // 2. (statement) Writes out a current value of the variable 'i' to the stdout. // 3. Returns to the point 1 (condition). while (i --> 0) // condition: i-- > 0 std::cout << i; // statement: std::cout << i; }
输出
210
[编辑] 另请参阅
|
(自 C++17 起) |
|
(自 C++23 起) |
- switch 语句：
switch，case - default (作为 case 标签声明) 等：
default - goto 语句：
goto - continue 语句：
continue - break 语句：
break - return 语句：
return
| (自 C++20 起) |
