Get Programming with Scala

26 Rock, Paper, Scissors, Lizard, Spock!

In this capstone, you will

• Implement the main components of your game using case classes and case objects
• Manipulate immutable data using higher order and pure functions
• Represent nullable values using Option
• Use tuples to group elements together
• Define unapply methods to pattern match on classes

In this capstone, you’ll implement an HTTP server to play a popular variation of the classic game “Paper, Rock, Scissors!” called “Rock, Paper, Scissors, Lizard, Spock!” Two players each pick a symbol randomly, and the selected symbols determine who the winner is. The allowed moves are paper, rock, scissors, lizard, Spock, and they interact as follows:

Scissors cut paper, paper covers rock, rock crushes lizard, ...