The class universe presented below implements the game as described. There are several functions of interest:
- initialize() generates a starting layout; although the code accompanying the book contains more options, only two are listed here: random, which generates a random layout, and ten_cell_row, which represents a line of 10 cells in the middle of the grid.
- reset() sets all the cells as dead.
- count_neighbors() returns the number of alive neighbors. It uses a helper variadic function template count_alive(). Although this could be implemented with fold expressions, this is not yet supported in Visual C++ and therefore I have opted not to use it here.
- next_generation() produces a new state of the game based on the transition ...