A simple command-line bowling application.

final game = Game();
// STRIKE
game.add(10);

// SPARE
game.add(7);
game.add(3);

// another example of frame
game.add(2);
game.add(5);

Check test/game_test.dart for more examples.

This implementation is based on the book Agile Principles, Patterns, and Practices in C# by Martin C. Robert, Martin Micah