factor: trim using lists

[factor.git] / extra / math / transforms / bwt / bwt.factor

diff --git a/extra/math/transforms/bwt/bwt.factor b/extra/math/transforms/bwt/bwt.factor
index 1aca5dddad93146537acb801179251d489ec7fdd..3572e083e0abb3878313750c9e2466a01088184a 100644 (file)
--- a/extra/math/transforms/bwt/bwt.factor
+++ b/extra/math/transforms/bwt/bwt.factor
@@ -1,7 +1,7 @@
 ! Copyright (C) 2012 John Benediktsson
 ! See http://factorcode.org/license.txt for BSD license
-USING: accessors assocs fry kernel locals sequences
-sequences.rotated sorting ;
+USING: accessors assocs kernel sequences sequences.rotated
+sorting ;
 IN: math.transforms.bwt
 
 ! Semi-efficient versions of Burrows-Wheeler Transform