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Add missing Semigroup import for older GHC

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Vidar Holen
2022-12-11 14:18:47 -08:00
parent 2a16a4e8c1
commit 495e34d101
1 changed files with 3 additions and 0 deletions
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src/ShellCheck/Prelude.hs
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@@ -21,6 +21,9 @@
-- Generic basic utility functions -- Generic basic utility functions
module ShellCheck.Prelude where module ShellCheck.Prelude where
import Data.Semigroup
-- Get element 0 or a default. Like `head` but safe. -- Get element 0 or a default. Like `head` but safe.
headOrDefault _ (a:_) = a headOrDefault _ (a:_) = a
headOrDefault def _ = def headOrDefault def _ = def