From 8f0448133ca7437f704e584c018519e2ac3b033c Mon Sep 17 00:00:00 2001
From: "Joseph C. Sible" <josephcsible@users.noreply.github.com>
Date: Sun, 9 Feb 2020 22:14:44 -0500
Subject: [PATCH] Use isNothing instead of reimplementing it

---
 src/ShellCheck/Analytics.hs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/ShellCheck/Analytics.hs b/src/ShellCheck/Analytics.hs
index 794c3f5..a082753 100644
--- a/src/ShellCheck/Analytics.hs
+++ b/src/ShellCheck/Analytics.hs
@@ -3250,9 +3250,8 @@ checkPipeToNowhere _ t =
             "Redirecting to '" ++ name ++ "', a command that doesn't read stdin. " ++ suggestion
 
     -- Could any words in a SimpleCommand consume stdin (e.g. echo "$(cat)")?
-    hasAdditionalConsumers t = fromMaybe True $ do
+    hasAdditionalConsumers t = isNothing $
         doAnalysis (guard . not . mayConsume) t
-        return False
 
     mayConsume t =
         case t of