From 38c947d7712d77070ca521b4718032fb31c0f108 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Thu, 17 Dec 2015 22:56:24 +0100
Subject: Towards payment.

---
 extension/lib/util.ts | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'extension/lib/util.ts')

diff --git a/extension/lib/util.ts b/extension/lib/util.ts
index 106e22970..b30d60432 100644
--- a/extension/lib/util.ts
+++ b/extension/lib/util.ts
@@ -32,3 +32,8 @@ function format(s: string, ...args: any[]) {
   return s;
 }
 
+
+function promiseFinally<T>(p: Promise<T>, fn): Promise<T> {
+  return p.then((x) => { fn(); return x; })
+          .catch((e) => {fn(); throw e;});
+}
\ No newline at end of file
-- 
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