From 495e34d10179715e8a675ca3e721b47757c9dc0f Mon Sep 17 00:00:00 2001 From: Vidar Holen Date: Sun, 11 Dec 2022 14:18:47 -0800 Subject: [PATCH] Add missing Semigroup import for older GHC --- src/ShellCheck/Prelude.hs | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/ShellCheck/Prelude.hs b/src/ShellCheck/Prelude.hs index 7e9011b..7610c46 100644 --- a/src/ShellCheck/Prelude.hs +++ b/src/ShellCheck/Prelude.hs @@ -21,6 +21,9 @@ -- Generic basic utility functions module ShellCheck.Prelude where +import Data.Semigroup + + -- Get element 0 or a default. Like `head` but safe. headOrDefault _ (a:_) = a headOrDefault def _ = def