GHC Extensions stats

 0%  0%  0% ImplicitPrelude
 0%  0%  0% NoMonoLocalBinds
 0%  0%  0% NoRebindableSyntax
 0%  0%  0% NoMagicHash
 0%  0%  0% NoOverloadedLists
 0%  0%  0% StarIsType
 0%  1%  0% RelaxedPolyRec
 0%  4%  0% ForeignFunctionInterface
 0%  4%  0% DoAndIfThenElse
 0% 12%  0% PatternGuards
 0% 14%  0% EmptyDataDecls
 0%  0%  0% ParallelArrays
 0%  0%  0% HexFloatLiterals
 0%  0%  0% NoForeignFunctionInterface
 0%  0%  0% NoDatatypeContexts
 0%  0%  0% CUSKs
 0%  0%  0% UnliftedNewtypes
 0%  0%  0% TransformListComp
 0%  0%  0% EmptyDataDeriving
 0%  0%  0% NullaryTypeClasses
 0%  0%  0% NumericUnderscores
 0%  0%  0% StandaloneKindSignatures
 0%  0%  0% InterruptibleFFI
 0%  0%  0% UnboxedSums
 0%  1%  0% NamedWildCards
 0%  0%  0% StaticPointers
 0%  0%  0% GHCForeignImportPrim
 0%  0%  0% CApiFFI
 0%  0%  0% GADTSyntax
 0%  0%  0% PostfixOperators
 0%  0%  0% JavaScriptFFI
 0%  0%  0% AutoDeriveTypeable
 0%  1%  0% NondecreasingIndentation
 0%  1%  0% NumDecimals
 0%  2%  0% MonadFailDesugaring
 0%  0%  0% TemplateHaskellQuotes
 0%  0%  0% ConstrainedClassMethods
 0%  2%  0% NegativeLiterals
 0%  0%  0% NoStarIsType
 0%  1%  0% DisambiguateRecordFields
 0%  1%  0% Strict
 0%  0%  0% UnliftedFFITypes
 0%  2%  0% BlockArguments
 0%  3%  0% MonadComprehensions
 0%  1%  1% QuantifiedConstraints
 0%  1%  1% DerivingVia
 1%  0%  1% ExplicitNamespaces
 1%  2%  0% DeriveLift
 1%  3%  0% BinaryLiterals
 1%  1%  1% RoleAnnotations
 1%  0%  1% UndecidableSuperClasses
 1%  0%  1% ExtendedDefaultRules
 1%  1%  1% MonoLocalBinds
 1%  1%  1% ImpredicativeTypes
 1%  1%  1% RebindableSyntax
 1%  2%  0% OverloadedLabels
 1%  1%  1% ExplicitForAll
 1%  2%  1% ApplicativeDo
 1%  2%  1% TypeFamilyDependencies
 1%  3%  1% StrictData
 1%  0%  1% IncoherentInstances
 1%  2%  1% RecursiveDo
 1%  1%  1% ImplicitParams
 1%  1%  1% TypeInType
 1%  3%  1% DerivingStrategies
 1%  5%  1% EmptyCase
 1%  9%  0% LiberalTypeSynonyms
 1%  4%  2% DuplicateRecordFields
 1%  1%  2% OverloadedLists
 1%  6%  1% PartialTypeSignatures
 1%  9%  0% ParallelListComp
 2%  3%  1% PackageImports
 2%  9%  0% Arrows
 2%  0%  2% OverlappingInstances
 2%  7%  0% UnicodeSyntax
 3%  8%  1% UnboxedTuples
 3%  2%  5% DeriveAnyClass
 3%  3%  4% AllowAmbiguousTypes
 3% 11%  2% InstanceSigs
 3%  6%  4% PatternSynonyms
 4% 17%  2% MultiWayIf
 4% 11%  3% NoMonomorphismRestriction
 4%  9%  2% MagicHash
 5% 19%  2% DeriveFoldable
 5% 10%  3% NamedFieldPuns
 5% 19%  3% DeriveTraversable
 5% 11%  4% PolyKinds
 6% 19%  4% DefaultSignatures
 6% 14%  5% TypeApplications
 7%  7%  6% ExistentialQuantification
 7% 14%  7% QuasiQuotes
 7% 10%  6% ViewPatterns
 7% 12%  4% KindSignatures
 8% 30%  2% NoImplicitPrelude
 9% 22%  6% FunctionalDependencies
 9% 27%  7% ConstraintKinds
 9% 25%  6% DeriveFunctor
10%  8%  7% TypeSynonymInstances
10% 26%  6% StandaloneDeriving
10% 27%  7% TupleSections
13% 25%  8% GADTs
13% 28%  8% DataKinds
13% 22%  7% BangPatterns
14%  7% 16% UndecidableInstances
14% 34%  5% LambdaCase
14% 28%  6% TypeOperators
17% 28%  9% RecordWildCards
17% 29% 12% DeriveGeneric
18% 19% 17% TemplateHaskell
19% 31% 14% GeneralizedNewtypeDeriving
19% 23%  8% DeriveDataTypeable
21% 31% 12% RankNTypes
23% 10% 20% CPP
23% 33% 11% TypeFamilies
23% 37% 11% MultiParamTypeClasses
29% 41% 14% ScopedTypeVariables
29% 45% 14% FlexibleContexts
33% 46% 16% FlexibleInstances
37% 53% 12% OverloadedStrings
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14734 packages total
13951 packages parsed
1614 packages with extensions in cabal file