! Copyright (C) 2008, 2010 Slava Pestov, Joe Groff.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors arrays classes combinators continuations io
-kernel kernel.private math math.parser namespaces sequences
-sequences.private source-files.errors strings vectors ;
+kernel math math.parser namespaces sequences source-files.errors
+strings vectors ;
IN: lexer
TUPLE: lexer