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author | Bodigrim <andrew.lelechenko@gmail.com> | 2022-09-28 00:15:53 +0100 |
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committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2022-09-28 17:50:28 -0400 |
commit | 2f050687e75ffe6fbf140cacd15fd916d2997499 (patch) | |
tree | acd68576f0210c85f69b392cb10a7048ee97d17e /hadrian | |
parent | b0c89dfaf9f8aeda9dd69a9583fd29150099aa27 (diff) | |
download | haskell-2f050687e75ffe6fbf140cacd15fd916d2997499.tar.gz |
Avoid Data.List.group; prefer Data.List.NonEmpty.group
This allows to avoid further partiality, e. g., map head . group is
replaced by map NE.head . NE.group, and there are less panic calls.
Diffstat (limited to 'hadrian')
-rw-r--r-- | hadrian/src/Rules/Dependencies.hs | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/hadrian/src/Rules/Dependencies.hs b/hadrian/src/Rules/Dependencies.hs index 453c45acad..ebdb7b70d8 100644 --- a/hadrian/src/Rules/Dependencies.hs +++ b/hadrian/src/Rules/Dependencies.hs @@ -2,6 +2,7 @@ module Rules.Dependencies (buildPackageDependencies) where import Data.Bifunctor import Data.Function +import qualified Data.List.NonEmpty as NE import Base import Context @@ -67,9 +68,8 @@ buildPackageDependencies rs = do writeFileChanged deps . unlines . map (\(src, deps) -> unwords $ src : deps) . map (bimap unifyPath (map unifyPath)) - . map (bimap head concat . unzip) - . groupBy ((==) `on` fst) - . sortBy (compare `on` fst) + . map (bimap NE.head concat . NE.unzip) + . NE.groupAllWith fst $ parseMakefile mkDeps |