Allows defining a destructor function that runs when an object is destroyed.
允许定义一个析构函数当对像崩溃的时候运行。
To create your constructor and destructor, declare two functions, then apply the constructor and destructor function attributes to them.
要创建constructor和destructor函数，则需要声明两个函数，然后对这两个函数应用constructor和destructor函数属性。
The constructor function is invoked immediately prior to main being called; and the destructor function is called when your application exits.
constructor函数是在调用main函数之前调用的，而destructor 函数则是在应用程序退出时调用的。
In the constructor function, a new trace file is opened into which the profiling address trace will be written; within the destructor function, the trace file is closed (see Listing 3).
在constructor函数中，会打开一个新的跟踪文件，分析数据的地址跟踪就是写入这个文件的；在destructor函数中，会关闭这个跟踪文件(参见清单3)。
The GCC developers thought of this, too, and provided the means for a main function constructor and destructor that happen to fit this need perfectly.
gcc的开发者也考虑过这个问题，它们为main函数的constructor函数和destructor函数提供了一些碰巧能够满足这个要求一些方法。
The GCC developers thought of this, too, and provided the means for a main function constructor and destructor that happen to fit this need perfectly.
gcc的开发者也考虑过这个问题，它们为main函数的constructor函数和destructor函数提供了一些碰巧能够满足这个要求一些方法。
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