Fixed a bunch of little bugs preventing this from working!

gib-gab-gob/actors.scm

@@ -44,8 +44,8 @@
     (format #t "Peer picked ~a... a bold choice (do I win? ~a), I will send my unsealer\n" peer-pick won?)
     unseal-pick]
    [(register-receiver receiver)
-    ((set! gobbler (spawn ^gib-gab-gobbler won? receiver))
-     $ gobbler 'get-receiver)]))
+    (set! gobbler (spawn ^gib-gab-gobbler won? receiver))
+     ($ gobbler 'get-receiver)]))
 
 
 ;; Actual Tic Tac Toe game
@@ -83,18 +83,21 @@
         (lambda (move)
           (format #t "move is ~s\n" move)
           ($ board 'choose! move mark)
-          move)))
+          move)
+        #:promise? #t))
 
   (define (loop-move peer)
     (format #t "begin move w ~s\n" peer)
-    (on (<- peer 'exchange-move receiver (move!))
-        ;; get exchange
-        (lambda (peer-move)
-          ;; Actually respond to the move
-          (format #t "Peer move ~s\n" peer-move)
-          ($ board 'choose! peer-move peer-mark)
-          ;; And now we repeat!
-          (loop-move peer))))
+    (on (move!)
+        (lambda (move)
+          (on (<- peer 'exchange-move receiver move)
+              ;; get exchange
+              (lambda (peer-move)
+                ;; Actually respond to the move
+                (format #t "Peer move ~s\n" peer-move)
+                ($ board 'choose! peer-move peer-mark)
+                ;; And now we repeat!
+                (loop-move peer))))))
 
   ;; Initial logic. If the peer is not set we wait until we receive it.
   ;; If we don't go first we also wait.
@@ -118,15 +121,17 @@
   (methods
    ;; Switch coords for clarity
    [(ref coords)
-    ((format #t "coords are ~s\n" coords)
-     (match coords ((x y) (array-ref arr y x))))]
+    (match coords ((x y) (array-ref arr y x)))]
    [(chosen? coords) (not (not ($ ($ self 'ref coords) 'get)))]
    [(choose! coords mark-char)
-       (if ($ self 'chosen? coords)
-           (error "coords already chosen:" coords)
-           (begin
-             ($ ($ self 'ref coords) 'choose! mark-char)
-             ($ self 'display)))]
+    (let* ((mark ($ self 'ref coords))
+          (char ($ mark 'get)))
+      (if (not (not char))
+          (error "coords already chosen:" coords)
+          (begin
+            (pk mark mark-char)
+            ($ mark 'choose! mark-char)
+            ($ self 'display))))]
    [(display)
     (define (print-mark mark)
       (let ((mark ($ mark 'get)))