#ifndef LIFEH
#define LIFEH
#include <cstddef>   //for size_t

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

class life {
	int g;        //generation number
	bool matrix[life_ymax + 2][life_xmax + 2];
public:
	life(const bool initial_matrix[life_ymax][life_xmax]);
	int generation() const {return g;}
	void next();  //Advance the matrix data member 1 generation; add 1 to g.
	void print() const; //Print the matrix data member.
};
#endif