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#include <iostream>
#include <string>
#include <vector>
#include "foreach.h"
//VECTOR2
template <typename Type>
class Vector2: public std::vector<std::vector<Type> >
{
using iterator = typename Vector2<Type>::iterator;
template <typename Iterator, typename Class, typename Data>
friend Class &ForEach(Iterator begin, Iterator end, Class &object,
void (Class::*member)(Data &));
public:
void process();
private:
void rows(std::vector<Type> &row);
void columns(Type &str);
};
template <typename Type>
void Vector2<Type>::process()
{
ForEach<iterator, Vector2<Type>, std::vector<Type> >
(this->begin(), this->end(), *this, &Vector2<Type>::rows);
}
template <typename Type>
void Vector2<Type>::rows(std::vector<Type> &row)
{
ForEach(row.begin(), row.end(), *this,
&Vector2<Type>::columns);
std::cout << '\n';
}
template <typename Type>
void Vector2<Type>::columns(Type &str)
{
std::cout << str << " ";
}
using namespace std;
int main()
{
Vector2<string> c;
c.push_back(vector<string>(3, "Hello"));
c.push_back(vector<string>(2, "World"));
c.process();
}
/*
Generated output:
Hello Hello Hello
World World
*/
//=
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