(* Title: HOL/HOLCF/IOA/ABP/Action.thy
Author: Olaf Müller
*)
section \<open>The set of all actions of the system\<close>
theory Action
imports Packet
begin
datatype 'm action =
Next | S_msg 'm | R_msg 'm
| S_pkt "'m packet" | R_pkt "'m packet"
| S_ack bool | R_ack bool
end