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52 lines
2.0 KiB
YAML
52 lines
2.0 KiB
YAML
# HLint configuration file
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# https://github.com/ndmitchell/hlint
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- arguments: [--color=auto, -XDataKinds, -XDeriveFoldable, -XDeriveFunctor, -XDeriveGeneric, -XDeriveTraversable, -XFlexibleContexts, -XFlexibleInstances, -XMultiParamTypeClasses, -XOverloadedStrings, -XRecordWildCards, -XStandaloneDeriving, -XStrictData, -XTypeApplications]
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# Blacklist some functions by default.
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- functions:
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- {name: unsafePerformIO, within: []}
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- {name: unsafeCoerce, within: []}
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- {name: head, within: []}
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- {name: tail, within: []}
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- {name: init, within: []}
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- {name: last, within: []}
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- {name: fromJust, within: []}
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# Replace a $ b $ c with a . b $ c
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- group: {name: dollar, enabled: true}
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# Generalise map to fmap, ++ to <>
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- group: {name: generalise, enabled: true}
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# Ignore some builtin hints
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- ignore: {name: Use mappend}
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- ignore: {name: Redundant do}
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- ignore: {name: Use lambda-case} # TODO: investigate whether cost-center analysis is better with lambda-case than it was
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- ignore: {name: Use fmap} # Ignored because map has better type inference.
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# Change the severity of hints we don’t want to fail CI for
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- suggest: {name: Eta reduce}
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# Our customized warnings
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# AMP fallout
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- warning: {lhs: mapM, rhs: traverse, name: Generalize mapM}
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- warning: {lhs: mapM_, rhs: traverse_, name: Generalize mapM_}
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- warning: {lhs: forM, rhs: for, name: Generalize forM}
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- warning: {lhs: forM_, rhs: for_, name: Generalize forM_}
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- warning: {lhs: sequence, rhs: sequenceA, name: Generalize sequence}
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- warning: {lhs: sequence_, rhs: sequenceA_, name: Generalize sequence_}
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- warning: {lhs: return, rhs: pure, name: Avoid return}
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# Terms
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- warning: {lhs: termFAnnotation . unTerm, rhs: termAnnotation, name: Use termAnnotation}
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- warning: {lhs: termFOut . unTerm, rhs: termOut, name: Use termOut}
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# Conveniences
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- warning: {lhs: maybe a pure, rhs: maybeM a, name: Use maybeM}
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# Applicative style
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- warning: {lhs: f <$> pure a <*> b, rhs: f a <$> b, name: Avoid redundant pure}
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- warning: {lhs: f <$> pure a <* b, rhs: f a <$ b, name: Avoid redundant pure}
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