Theory Impl

Up to index of Isabelle/HOLCF/IOA/ABP

theory Impl
imports Sender Receiver Abschannel

(*  Title:      HOLCF/IOA/ABP/Impl.thy
Author: Olaf Müller
*)


header {* The implementation *}

theory Impl
imports Sender Receiver Abschannel
begin


types
'm impl_state = "'m sender_state * 'm receiver_state * 'm packet list * bool list"

(* sender_state * receiver_state * srch_state * rsch_state *)

definition
impl_ioa :: "('m action, 'm impl_state)ioa" where
"impl_ioa = (sender_ioa || receiver_ioa || srch_ioa || rsch_ioa)"


definition
sen :: "'m impl_state => 'm sender_state" where
"sen = fst"


definition
rec :: "'m impl_state => 'm receiver_state" where
"rec = fst o snd"


definition
srch :: "'m impl_state => 'm packet list" where
"srch = fst o snd o snd"


definition
rsch :: "'m impl_state => bool list" where
"rsch = snd o snd o snd"


end