over_ptr.cpp

C++指向运算符示例

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本文提供了一个简单的C++程序示例，演示了如何使用指向成员运算符(->)来访问类的成员变量。通过定义一个名为sample的类，并在其中重载指向运算符，实现了对象成员的间接访问。

name="google_ads_frame" marginwidth="0" marginheight="0" src="http://pagead2.googlesyndication.com/pagead/ads?client=ca-pub-5572165936844014&dt=1194442938015&lmt=1194190197&format=336x280_as&output=html&correlator=1194442937843&url=file%3A%2F%2F%2FC%3A%2FDocuments%2520and%2520Settings%2Flhh1%2F%E6%A1%8C%E9%9D%A2%2FCLanguage.htm&color_bg=FFFFFF&color_text=000000&color_link=000000&color_url=FFFFFF&color_border=FFFFFF&ad_type=text&ga_vid=583001034.1194442938&ga_sid=1194442938&ga_hid=1942779085&flash=9&u_h=768&u_w=1024&u_ah=740&u_aw=1024&u_cd=32&u_tz=480&u_java=true" frameborder="0" width="336" scrolling="no" height="280" allowtransparency="allowtransparency"> #include <iostream.h>

class sample {
public:
int i;
sample *operator->(void) {return this;}
};

void main(void)
{
sample obj;

obj->i = 10; // Same as obj.i
cout << obj.i << " " << obj->i;
}