require unstable/contract

2015-12-05 01:29:47 -05:00 · 2015-12-05 01:29:47 -05:00 · 28f5d22434
commit 28f5d22434
parent 09f2a4254a
1 changed files with 1 additions and 1 deletions
--- a/unstable/lens/substring.rkt
+++ b/unstable/lens/substring.rkt
@ -1,6 +1,6 @@
 #lang racket/base

-(require racket/contract/base)
+(require racket/contract/base unstable/contract)

 (provide
 (contract-out