! Copyright (C) 2008, 2010 Slava Pestov.
-! See http://factorcode.org/license.txt for BSD license.
+! See https://factorcode.org/license.txt for BSD license.
USING: accessors kernel math threads io io.sockets
io.encodings.ascii io.streams.duplex debugger tools.time
prettyprint concurrency.count-downs concurrency.promises