C++编程->条件编译

/* 版权所有： http://blog.youkuaiyun.com/sunboyiris */
#ifdef _DEBUG
     inline void msg(){ cout<<"debug 编译"<<endl; }
#else
     inline void msg() {cout<<"release 编译 "<<endl;}
#endif

int main()
{
    //debug 版本编译
    #ifdef _DEBUG

        cout<<"begining execution of main/n"<<endl;;
		msg();
		system("pause");
	    return 0;
    //release 版本编译
    #endif

       string word="hello world!";

       cout<<word<<endl;
       msg();

	   system("pause");
	return 0;

}