From 8ba8ff25c86a73045ab86238fdefc9486fa3738b Mon Sep 17 00:00:00 2001
From: Christian Mollekopf <chrigi_1@fastmail.fm>
Date: Thu, 15 Jan 2015 23:01:46 +0100
Subject: A null job.

---
 async/src/async.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'async/src')

diff --git a/async/src/async.h b/async/src/async.h
index 4fb4f2b..171a245 100644
--- a/async/src/async.h
+++ b/async/src/async.h
@@ -142,6 +142,19 @@ public:
 template<typename Out>
 Job<Out> start(ThenTask<Out> func);
 
+
+/**
+ * A null job.
+ * 
+ * An async noop.
+ *
+ */
+template<typename Out>
+Job<Out> null()
+{
+    return Async::start<Out>([](Async::Future<Out> &future) {future.setFinished();});
+}
+
 class JobBase
 {
     template<typename Out, typename ... In>
-- 
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