-! Copyright (C) 2007, 2009 Daniel Ehrenberg, Slava Pestov
+! Copyright (C) 2007, 2010 Daniel Ehrenberg, Slava Pestov
! See http://factorcode.org/license.txt for BSD license.
USING: kernel sequences arrays math sequences.private vectors
accessors ;
M: enum delete-at seq>> remove-nth! drop ; inline
M: enum >alist ( enum -- alist )
- seq>> [ length ] keep zip ; inline
+ seq>> [ length iota ] keep zip ; inline
M: enum assoc-size seq>> length ; inline