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diff sourceL.urs @ 15:8300d5f0dc19

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Replace ChangePoller with SourceL, plus some other rearrangements
author Adam Chlipala <adam@chlipala.net>
date Sun, 07 Aug 2011 14:38:52 -0400
parents changePoller.urs@0827320b0f04
children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sourceL.urs	Sun Aug 07 14:38:52 2011 -0400
@@ -0,0 +1,11 @@
+(* Reactive sources that accept change listeners *)
+
+con t :: Type -> Type
+
+val create : a ::: Type -> a -> transaction (t a)
+
+val onChange : a ::: Type -> t a -> (a -> transaction {}) -> transaction {}
+
+val set : a ::: Type -> t a -> a -> transaction {}
+val get : a ::: Type -> t a -> transaction a
+val value : a ::: Type -> t a -> signal a