The Big Programming Thread - Page 549

#include<iostream>
#include<string>
#include<utility>
using namespace std;

struct poster{
	template<class... arg>
	poster(arg&&... a):name(std::forward<arg>(a)...){}
	string name;
	virtual void 
		disagree(const poster& p)
	{
		cout<<name<<": i disagree "<<p.name<<endl;
	}
};

struct moderator:poster{
	using poster::poster; //inherit constructor of poster base class, c++11
	void 
		disagree(const poster& p) override 
	{
		poster::disagree(p);
		cout<<p.name<<" has been banned\n";
	}
};

int main()
{
	poster p0{"blisse"};
	poster p1{"nunez"};
	moderator m0{"tofucake"};
	p0.disagree(p1);
	m0.disagree(p0);
}

[jeh@gimli work]$ ./workbench 
blisse: i disagree nunez
tofucake: i disagree blisse
blisse has been banned

Class1 extends BaseClass
{
    function fu()
    {
        // set some global app settings
    }
}

Class2 extends Class1
{
    function fu()
    {
        // set the same global settings as in Class1, but do it differently

        parent::fu();
    }
}

Class3 extends Class2
{
    function fu()
    {
        // set the global settings...

        parent::fu();
    }
}