From a4f3e112954e1b785c84c339bcbd83597a89335e Mon Sep 17 00:00:00 2001
From: Joey Hess <joeyh@debian.org>
Date: Tue, 3 Dec 2013 15:02:21 -0400
Subject: git-repair (1.20131203) unstable; urgency=low

  * Fix build deps. Closes: #731179

# imported from the archive
---
 Utility/Data.hs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 Utility/Data.hs

(limited to 'Utility/Data.hs')

diff --git a/Utility/Data.hs b/Utility/Data.hs
new file mode 100644
index 0000000..3592582
--- /dev/null
+++ b/Utility/Data.hs
@@ -0,0 +1,17 @@
+{- utilities for simple data types
+ -
+ - Copyright 2013 Joey Hess <joey@kitenet.net>
+ -
+ - Licensed under the GNU GPL version 3 or higher.
+ -}
+
+module Utility.Data where
+
+{- First item in the list that is not Nothing. -}
+firstJust :: Eq a => [Maybe a] -> Maybe a
+firstJust ms = case dropWhile (== Nothing) ms of
+	[] -> Nothing
+	(md:_) -> md
+
+eitherToMaybe :: Either a b -> Maybe b
+eitherToMaybe = either (const Nothing) Just
-- 
cgit v1.2.3