gib-gab-gob/gib-gab-gob/actors.scm

(define-module (gib-gab-gob actors)
  #:use-module (gib-gab-gob rps)
  #:use-module (goblins)
  #:use-module (goblins actor-lib methods)
  #:use-module (goblins actor-lib sealers)
  #:use-module (oop goops)
  #:export (^game-lobby ^client-picker))

(define (^game-lobby bcom)
  (define pick (pick-rps))
  (methods
   [(register-opponent name client sealed-pick)
    (format #t "Hey there, ~a! You sent me your pick of rock-paper-scissors; now I will send mine.\n" name)
    (on (<- (<- client 'exchange-pick-for-unsealer pick) sealed-pick)
        (lambda (peer-pick)
          (format #t "The peer has picked ~a (do I win? ~s)\n" peer-pick (rps-winner pick peer-pick))))]))

(define (^client-picker bcom)
  (define-values (seal-pick unseal-pick my-pick?)
    (spawn-sealer-triplet))
  (define pick (pick-rps))
  (methods
   [(get-sealed-pick) ($ seal-pick pick)]
   [(exchange-pick-for-unsealer peer-pick)
    (format #t "Peer picked ~a... a bold choice (do I win? ~s), i will send my unsealer\n" peer-pick (rps-winner pick peer-pick))
    unseal-pick]))