special function

• 特殊函数

special function的用法和样例：

例句

1. An area of the stack associated with a particular function call.
   一个关联特殊函数调用的堆栈区域。
2. The destructor is a special member function that can be used to do whatever resource deallocation is needed.It serves as the complement to the constructors of the class.
   析构函数就是这样的一个特殊函数，它可以完成所需的资源回收，作为类构造函数的补充。