#ifndef LIFEH
#define LIFEH
#include <iostream>   //defines size_t
using namespace std;

const size_t life_ymax = 10;
const size_t life_xmax = 10;

typedef bool life_matrix_t[life_ymax][life_xmax];
typedef bool _life_matrix_t[life_ymax + 2][life_xmax + 2];

class set_life_foreground {
	const char c;
public:
	set_life_foreground(char initial_c): c(initial_c) {}
	friend ostream& operator<<(ostream& ost, const set_life_foreground& f);
};

class life {
	static const int subscript;   //subscript of new element in iword array

	int g;                        //generation number
	_life_matrix_t matrix;
public:
	life(const life_matrix_t initial_matrix);
	int generation() const {return g;}
	life& operator++();

	friend ostream& operator<<(ostream& ost, const life& li);
	friend ostream& operator<<(ostream& ost, const set_life_foreground& f);
};
#endif