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C++ keyword: do

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C++ language
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用法

示例

#include <iostream>
int main() noexcept
{
    int i{0};
    // 先执行语句 'std::cout << ++i;'
    // 再检查条件 'i <= 2'
    do
        std::cout << ++i;
    while (i <= 2);
}

输出:

123

参见

(自 C++17 起)
(自 C++23 起)
(自 C++20 起)