(* Title: HOLCF/IOA/ABP/Packet.thy
Author: Olaf Müller
*)
header {* Packets *}
theory Packet
imports Main
begin
types
'msg packet = "bool * 'msg"
definition
hdr :: "'msg packet => bool" where
"hdr = fst"
definition
msg :: "'msg packet => 'msg" where
"msg = snd"
end