! Copyright (C) 2008, 2010 Slava Pestov, Joe Groff.
! See http://factorcode.org/license.txt for BSD license.
-USING: accessors assocs sequences sorting binary-search fry math
-math.order arrays classes combinators kernel functors locals
-math.functions math.vectors ;
+USING: accessors classes functors kernel math math.vectors
+sequences ;
IN: sequences.cords
MIXIN: cord