From: Matthijs Kooijman <m.kooijman@student.utwente.nl>
Date: Fri, 30 Jan 2009 09:25:15 +0000 (+0100)
Subject: Add a a new function "stateless".
X-Git-Url: https://git.stderr.nl/gitweb?a=commitdiff_plain;h=648708abc1efd3a0bfb416bbbf1a8dff6362ecae;p=matthijs%2Fmaster-project%2Fc%CE%BBash.git

Add a a new function "stateless".

This function converts a stateless circuit into a stateful one (with an
empty state), so it can be simulated.
---

diff --git a/Sim.hs b/Sim.hs
index 3848508..5a8fe2d 100644
--- a/Sim.hs
+++ b/Sim.hs
@@ -1,4 +1,4 @@
-module Sim (simulate, SCircuit, Circuit, simulateIO) where
+module Sim (simulate, SCircuit, Circuit, simulateIO, stateless) where
 import Data.Typeable
 
 simulate f input s = do
@@ -50,4 +50,10 @@ printOutput (i, o, s) = do
   putStr "\nNew State: "
   putStr $ show s
   putStr "\n\n"
+
+-- Takes a stateless circuit and turns it into a stateful circuit (with an
+-- empty state) so it can be used in simulation
+stateless :: Circuit i o -> SCircuit i () o
+stateless f = \i s -> (s, f i)
+
 -- vim: set ts=8 sw=2 sts=2 expandtab: