the metal

5 years ago · c0f800b912
parent 3b7180a37e
commit c0f800b912
1 changed files with 1 additions and 0 deletions
--- a/pitfall/pitfall/jpeg-structy.rkt
+++ b/pitfall/pitfall/jpeg-structy.rkt
@ -1,6 +1,7 @@
 #lang debug racket/base
 (require
  "core.rkt"
+  "reference.rkt"
  racket/class
  racket/contract
  racket/dict