在什么情况下会在这种情况下执行死刑？ [英] Under what circumstances will the body under the condition be executed?

问题描述

很久以前，在接受采访时，我偶然发现了这个问题：

Long time ago, while being interviewed, I stumbled across this question:

假设在某处，我们已经获得了这一行代码。您能否提供至少三种情况来导致在条件下的尸体被处决？

Suppose, somewhere, we have gotten this line of code. Could you provide at least three cases which would cause the body under the condition to be executed?

if (a == 3 && a == 4) { /* ... */ }

我的答案是：

1. 'a'很可能是带有重载相等运算符的自定义类。

1. It is quite possible that 'a' might be a custom class with overloaded equality operator.

'a'可以在 #define a b ++ 的某个地方定义（或重新定义），如果b等于3，则它将被评估为 true 。

'a' might be defined (or re-defined) somewhere as #define a b++, and if b equals 3, then it will be evaluated as true.

必须存在某种多线程问题，例如，不同的线程访问相同的变量。

There must be some kind of multithreading problem, such as, different threads access the same variable.

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我没有要求澄清，也没有被告知我的回答是否正确。您将如何进行？有什么有趣的答案吗？

I did not ask for the clarification, and also was not told whether my answers were right. How would you proceed? Are there any interesting answers?

推荐答案

那不是循环。

显示的循环已执行。

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