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Chapter 15: no need to have Loop in simple Process #10

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Chapter 15: no need to have Loop in simple Process #10

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2 changes: 0 additions & 2 deletions Chapter15/Process.idr
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,6 @@ data Process : Type -> Type where
Request : MessagePID -> Message -> Process (Maybe Nat)
Respond : ((msg : Message) -> Process Nat) -> Process (Maybe Message)
Spawn : Process () -> Process (Maybe MessagePID)
Loop : Inf (Process a) -> Process a

Action : IO a -> Process a
Pure : a -> Process a
Expand All @@ -34,7 +33,6 @@ run (Respond calc)
run (Spawn proc) = do Just pid <- spawn (run proc)
| Nothing => pure Nothing
pure (Just (MkMessage pid))
run (Loop action) = run action
run (Action act) = act
run (Pure val) = pure val
run (act >>= next) = do x <- run act
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