expand text using locals

["King, Mike" <MKing@...>]

Is there a way to write an expand function that make use of the local variables (not global)?

function do_stuff (p1)
   print(expand'$(p1+1)')
end

do_stuff(1)
--> 2

CONFIDENTIALITY NOTICE: This e-mail message, including any attachments, is for the sole use of the intended recipient(s) and may contain information that is confidential or proprietary to K&L Microwave, Inc. Any unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient, immediately contact the sender by reply e-mail and destroy all copies of the original message.