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authorjao <jao@gnu.org>2020-05-11 19:32:06 +0100
committerjao <jao@gnu.org>2020-05-11 19:32:06 +0100
commitad64ccf601e76a4504aacffffa234233b30ee24d (patch)
tree60fd226210aa54628126d51d6e32a269d288e9eb /src/Xmobar/System/Utils.hs
parent6faa17e39d7bf77df9aa199db09d52a600984271 (diff)
downloadxmobar-ad64ccf601e76a4504aacffffa234233b30ee24d.tar.gz
xmobar-ad64ccf601e76a4504aacffffa234233b30ee24d.tar.bz2
more hlinting
Diffstat (limited to 'src/Xmobar/System/Utils.hs')
-rw-r--r--src/Xmobar/System/Utils.hs5
1 files changed, 2 insertions, 3 deletions
diff --git a/src/Xmobar/System/Utils.hs b/src/Xmobar/System/Utils.hs
index d532149..53052ea 100644
--- a/src/Xmobar/System/Utils.hs
+++ b/src/Xmobar/System/Utils.hs
@@ -27,6 +27,7 @@ module Xmobar.System.Utils
import Control.Monad
import Control.Concurrent.STM
import qualified Data.List.NonEmpty as NE
+import Data.Maybe (fromMaybe)
import System.Environment
import System.FilePath
@@ -67,6 +68,4 @@ onSomeException io what = io `catch` \e -> do _ <- what e
{-# INLINE (!!?) #-}
safeIndex :: NE.NonEmpty a -> Int -> a
-safeIndex xs index = case NE.toList xs !!? index of
- Nothing -> NE.head xs
- Just value -> value
+safeIndex xs index = fromMaybe (NE.head xs) (NE.toList xs !!? index)