From bc19cda87c727d85893f56adcb8c6901715c2326 Mon Sep 17 00:00:00 2001
From: Mart Lubbers <mart@martlubbers.net>
Date: Thu, 1 Jun 2017 13:52:58 +0200
Subject: [PATCH] share waiting with parametric lenses

---
 mTaskInterpret.dcl |  4 +++-
 mTaskInterpret.icl |  2 ++
 miTask.icl         | 17 ++++++++++++++---
 3 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/mTaskInterpret.dcl b/mTaskInterpret.dcl
index 99a3533..9de7c72 100644
--- a/mTaskInterpret.dcl
+++ b/mTaskInterpret.dcl
@@ -40,7 +40,9 @@ from Generics.gCons import class gCons, generic conses, generic consName, generi
 		,bytesMemory :: Int
 	}
 
-:: BCValue = E.e: BCValue e & mTaskType e
+:: BCValue = E.e: BCValue e & mTaskType, TC e
+
+instance == BCValue
 
 instance toString MTaskInterval
 instance toString MTaskMSGRecv
diff --git a/mTaskInterpret.icl b/mTaskInterpret.icl
index 80d458a..5504a21 100644
--- a/mTaskInterpret.icl
+++ b/mTaskInterpret.icl
@@ -40,6 +40,8 @@ import Text.Encodings.Base64
 
 import Tasks.Examples
 
+instance == BCValue where (==) a b = toByteCode a == toByteCode b
+
 encode :: MTaskMSGSend -> String
 encode (MTTask to data) = "t" +++ toByteCode to +++ to16bit (size data) +++ data +++ "\n"
 encode (MTTaskDel i) = "d" +++ to16bit i +++ "\n"
diff --git a/miTask.icl b/miTask.icl
index 8e43544..f044e36 100644
--- a/miTask.icl
+++ b/miTask.icl
@@ -37,9 +37,20 @@ demo = viewSharedInformation "Devices" [] deviceStore
 		pred [x:_] = not $ isEmpty x.deviceShares
 
 		cont :: MTaskDevice -> Task ()
-		cont dev = updateSharedInformation "Blinkyblink" [] (getRealShare dev (hd dev.deviceShares))
-			>>* [OnAction ActionContinue (const $ Just $ cont dev)]
-	
+		cont dev
+		# rs = getRealShare dev (hd dev.deviceShares)
+		= get rs >>= \oldvalue->
+			forever (updateSharedInformation "Blinkyblink" [] (getRealShare dev (hd dev.deviceShares))
+			>>* [OnAction ActionContinue (const $ Just $ treturn ())])
+		 -|| (wait "bigger than 10" (\x->x == oldvalue) rs
+			>>= viewInformation "Bigger:)" [])
+
+		toInt :: BCValue -> Int
+		toInt (BCValue e) = dynToInt (dynamic e)
+			
+		dynToInt :: Dynamic -> Int
+		dynToInt (a :: Int) = a
+		dynToInt x = abort "Not an int"
 
 mTaskManager :: Task ()
 mTaskManager = (>>|) startupDevices $ 
-- 
2.20.1