Fix unstable module references

unstable/lens/arrow.rkt

@@ -5,10 +5,10 @@
          lens-transform~>
          lens-view/thrush
          lens-set/thrush
-         lens-transform/thrush
-         )
+         lens-transform/thrush)
+
+(require lens)
 
-(require lens/base/main)
 (module+ test
   (require rackunit racket/list fancy-app))
 
@@ -38,5 +38,4 @@
   (check-equal? (lens-set~> '((1 2) 3) first-lens second-lens #:-> 'two)
                 '((1 two) 3))
   (check-equal? (lens-transform~> '((1 2) 3) first-lens second-lens #:-> (* 100 _))
-                '((1 200) 3))
-  )
+                '((1 200) 3)))

unstable/lens/main.rkt

@@ -1,4 +1,4 @@
-#lang racket
+#lang racket/base
 
 (require "syntax.rkt"
          "view-set.rkt"

unstable/lens/sublist.rkt

@@ -2,9 +2,9 @@
 
 (provide sublist-lens)
 
-(require lens/base/main
-         lens/list/main
-         )
+(require lens
+         lens/list/list-ref-take-drop)
+
 (module+ test
   (require rackunit))