From a2386e85bac4e7da8fa1f29a676941b592d35a5d Mon Sep 17 00:00:00 2001
From: Adam Chlipala <adam@chlipala.net>
Date: Tue, 16 Apr 2013 10:55:48 -0400
Subject: Basis.tryRpc

---
 lib/ur/basis.urs | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'lib/ur')

diff --git a/lib/ur/basis.urs b/lib/ur/basis.urs
index 71320a28..59715a7e 100644
--- a/lib/ur/basis.urs
+++ b/lib/ur/basis.urs
@@ -206,6 +206,8 @@ val spawn : transaction unit -> transaction unit
 val sleep : int -> transaction unit
 
 val rpc : t ::: Type -> transaction t -> transaction t
+val tryRpc : t ::: Type -> transaction t -> transaction (option t)
+(* Returns [None] on error condition. *)
 
 
 (** Channels *)
-- 
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