public GameResult Evaluate(MineField mineField)
{
var covers = Covers();
return(new GameResult(
mineField
.Mines()
.Any(mine => !covers.IsCovered(mine)),
covers.CoverCount() - mineField.Mines().Count()));
}
public static GameState Quit(GameState current, MineField mineField)
{
return(current.Do(
current
.Covers()
.UncoverRange(
mineField.Mines())));
}