Remove mzlib/etc import

2012-08-21 19:50:00 -04:00 · 2012-08-21 19:50:00 -04:00 · 3ad0c594a9
commit 3ad0c594a9
parent 7be82a8eca
1 changed files with 3 additions and 5 deletions
--- a/collects/frtime/core/frp.rkt
+++ b/collects/frtime/core/frp.rkt
@ -1,7 +1,5 @@
 #lang racket
-(require (only-in mzlib/etc 
-                  identity nor)
-         "contract.rkt"
+(require "contract.rkt"
         "erl.rkt"
         "heap.rkt")

@ -410,8 +408,8 @@
       sup
       (filter (lambda (a)
                 (let ([v (weak-box-value a)])
-                   (nor (eq? v inf)
-                        (eq? v #f))))
+                   (not (or (eq? v inf)
+                            (eq? v #f)))))
               dependents))]
     [_ (void)])))