fig2_9.cpp

来自「这是c＋＋研究调用析构函数和构造函数的时机」· C++ 代码 · 共 38 行

//演示构造函数和析构函数的调用顺序
#include <iostream.h>
#include "create.h"

void create(void);		//函数原型的声明

CreateAndDestroy first(1);		//全局对象
main()
{
	cout<<" (global created before main) \n";

	CreateAndDestroy second(2);			//局部动态对象
	cout<<" (local automatic in main) \n";

	static CreateAndDestroy third(3);	//局部静态对象
	cout<<" (local static in main) \n";

	create();		//函数调用：调用建立对象的函数

	CreateAndDestroy fourth(4);			//局部动态对象
	cout<<" (local automatic in main) \n";

	return 0;

}

void create(void)
{
	CreateAndDestroy fifth(5);
	cout<<" (local automatic in create) \n";

	static CreateAndDestroy sixth(6);
	cout<<" (local static in create) \n";

	CreateAndDestroy seventh(7);
	cout<<" (local automatic in create) \n";

}