Null pointer might not compare equal with a variable that has the value 0.
Null pointer might not compare equal with a variable that has the value 0.
这一句是说空指针不同于“值为0的变量”,因为数值上虽相同,但类型不同,我是这么理解的。
Null pointer might not compare equal with a variable that has the value 0.
这一句是说空指针不同于“值为0的变量”,因为数值上虽相同,但类型不同,我是这么理解的。