! Copyright (C) 2009 Daniel Ehrenberg.
! See http://factorcode.org/license.txt for BSD license.
-USING: regexp.nfa regexp.disambiguate kernel sequences
-assocs regexp.classes hashtables accessors fry vectors
-regexp.ast regexp.transition-tables regexp.minimize
-regexp.dfa namespaces sets ;
+USING: accessors assocs fry hashtables kernel namespaces
+regexp.ast regexp.classes regexp.dfa regexp.disambiguate
+regexp.minimize regexp.nfa regexp.transition-tables sequences
+sets vectors ;
IN: regexp.negation
CONSTANT: fail-state -1