如果出现这种情形，通常这些方法的行为是未定义的，虽然这里的具体实现可能会尝试做某些合理的事情。

If it does, the behavior of these methods is undefined in the general case, although this specific implementation attempts to do something reasonable.

youdao

如果出现这种情形，通常这些方法的行为是未定义的，虽然这里的具体实现可能会尝试做某些合理的事情。

If it does, the behavior of these methods is undefined in the general case, although this specific implementation attempts to do something reasonable.

youdao