//Excerpt from game.C, showing the body of game::play.

	for (; master.size() > 1; term.wait(250)) {
		for (master_t::const_iterator it = master.begin();
			it != master.end();) {

			wabbit *const p = *it;
			const bool alive = p->move();
			++it;

			if (!alive) {
				//The wabbit that moved in line 8 blundered
				//into another wabbit and was eaten.
				delete p;
			}
		}
	}

//The following lines go at the end of the destructor for class game.

	//Delete any remaining wabbit's.

	for (master_t::const_iterator it = master.begin(); it != master.end();) {
		wabbit *const p = *it;
		++it;
		delete p;
	}
}