(module interfaces mzscheme (require mzlib/class) (provide player<%> game<%>) ;; in Java, lists become arrays. ;; the do-move method gets two numbers if no doubles were rolled ;; and gets four numbers if doubles were rolled (and the player has ;; all of the pieces in). (define player<%> (interface () start-game ;; player-color -> string do-move ;; board (listof number[1-6]) -> move doubles-penalty ;; : -> void )) (define game<%> (interface () register ;; player<%> -> void start ;; -> void )))