Safe Haskell	None
Language	Haskell2010

Distribution.Compat.Semigroup

Description

Compatibility layer for Data.Semigroup

Synopsis

class Semigroup a where
class Semigroup a => Monoid a where
newtype All = All {
- getAll :: Bool
}
newtype Any = Any {
- getAny :: Bool
}
newtype Last' a = Last' {
- getLast' :: Maybe a
}
gmappend :: (Generic a, GSemigroup (Rep a)) => a -> a -> a
gmempty :: (Generic a, GMonoid (Rep a)) => a

Documentation

class Semigroup a where Source #

The class of semigroups (types with an associative binary operation).

Instances should satisfy the associativity law:

```
x <> (y <> z) = (x <> y) <> z
```

Since: base-4.9.0.0

Minimal complete definition

(<>)

Methods

(<>) :: a -> a -> a infixr 6 Source #

An associative operation.

Instances

Semigroup Ordering	Since: base-4.9.0.0
Instance details Defined in GHC.Base Methods (<>) :: Ordering -> Ordering -> Ordering Source # sconcat :: NonEmpty Ordering -> Ordering Source # stimes :: Integral b => b -> Ordering -> Ordering Source #
Semigroup ()	Since: base-4.9.0.0
Instance details Defined in GHC.Base Methods (<>) :: () -> () -> () Source # sconcat :: NonEmpty () -> () Source # stimes :: Integral b => b -> () -> () Source #
Semigroup Void	Since: base-4.9.0.0
Instance details Defined in Data.Void Methods (<>) :: Void -> Void -> Void Source # sconcat :: NonEmpty Void -> Void Source # stimes :: Integral b => b -> Void -> Void Source #
Semigroup All	Since: base-4.9.0.0
Instance details Defined in Data.Semigroup.Internal Methods (<>) :: All -> All -> All Source # sconcat :: NonEmpty All -> All Source # stimes :: Integral b => b -> All -> All Source #
Semigroup Any	Since: base-4.9.0.0
Instance details Defined in Data.Semigroup.Internal Methods (<>) :: Any -> Any -> Any Source # sconcat :: NonEmpty Any -> Any Source # stimes :: Integral b => b -> Any -> Any Source #
Semigroup Builder
Instance details Defined in Data.ByteString.Builder.Internal Methods (<>) :: Builder -> Builder -> Builder Source # sconcat :: NonEmpty Builder -> Builder Source # stimes :: Integral b => b -> Builder -> Builder Source #
Semigroup ByteString
Instance details Defined in Data.ByteString.Lazy.Internal Methods (<>) :: ByteString -> ByteString -> ByteString Source # sconcat :: NonEmpty ByteString -> ByteString Source # stimes :: Integral b => b -> ByteString -> ByteString Source #
Semigroup ShortByteString
Instance details Defined in Data.ByteString.Short.Internal Methods (<>) :: ShortByteString -> ShortByteString -> ShortByteString Source # sconcat :: NonEmpty ShortByteString -> ShortByteString Source # stimes :: Integral b => b -> ShortByteString -> ShortByteString Source #
Semigroup ByteString
Instance details Defined in Data.ByteString.Internal Methods (<>) :: ByteString -> ByteString -> ByteString Source # sconcat :: NonEmpty ByteString -> ByteString Source # stimes :: Integral b => b -> ByteString -> ByteString Source #
Semigroup IntSet	Since: containers-0.5.7
Instance details Defined in Data.IntSet.Internal Methods (<>) :: IntSet -> IntSet -> IntSet Source # sconcat :: NonEmpty IntSet -> IntSet Source # stimes :: Integral b => b -> IntSet -> IntSet Source #
Semigroup Doc
Instance details Defined in Text.PrettyPrint.HughesPJ Methods (<>) :: Doc -> Doc -> Doc Source # sconcat :: NonEmpty Doc -> Doc Source # stimes :: Integral b => b -> Doc -> Doc Source #
Semigroup CDialect #
Instance details Defined in Distribution.Simple.CCompiler Methods (<>) :: CDialect -> CDialect -> CDialect Source # sconcat :: NonEmpty CDialect -> CDialect Source # stimes :: Integral b => b -> CDialect -> CDialect Source #
Semigroup ShortText #
Instance details Defined in Distribution.Utils.ShortText Methods (<>) :: ShortText -> ShortText -> ShortText Source # sconcat :: NonEmpty ShortText -> ShortText Source # stimes :: Integral b => b -> ShortText -> ShortText Source #
Semigroup ForeignLibType #
Instance details Defined in Distribution.Types.ForeignLibType Methods (<>) :: ForeignLibType -> ForeignLibType -> ForeignLibType Source # sconcat :: NonEmpty ForeignLibType -> ForeignLibType Source # stimes :: Integral b => b -> ForeignLibType -> ForeignLibType Source #
Semigroup ExecutableScope #	`Any` like semigroup, where `ExecutablePrivate` is 'Any True'
Instance details Defined in Distribution.Types.ExecutableScope Methods (<>) :: ExecutableScope -> ExecutableScope -> ExecutableScope Source # sconcat :: NonEmpty ExecutableScope -> ExecutableScope Source # stimes :: Integral b => b -> ExecutableScope -> ExecutableScope Source #
Semigroup TestSuiteInterface #
Instance details Defined in Distribution.Types.TestSuiteInterface Methods (<>) :: TestSuiteInterface -> TestSuiteInterface -> TestSuiteInterface Source # sconcat :: NonEmpty TestSuiteInterface -> TestSuiteInterface Source # stimes :: Integral b => b -> TestSuiteInterface -> TestSuiteInterface Source #
Semigroup BenchmarkInterface #
Instance details Defined in Distribution.Types.BenchmarkInterface Methods (<>) :: BenchmarkInterface -> BenchmarkInterface -> BenchmarkInterface Source # sconcat :: NonEmpty BenchmarkInterface -> BenchmarkInterface Source # stimes :: Integral b => b -> BenchmarkInterface -> BenchmarkInterface Source #
Semigroup UnqualComponentName #
Instance details Defined in Distribution.Types.UnqualComponentName Methods (<>) :: UnqualComponentName -> UnqualComponentName -> UnqualComponentName Source # sconcat :: NonEmpty UnqualComponentName -> UnqualComponentName Source # stimes :: Integral b => b -> UnqualComponentName -> UnqualComponentName Source #
Semigroup SetupBuildInfo #
Instance details Defined in Distribution.Types.SetupBuildInfo Methods (<>) :: SetupBuildInfo -> SetupBuildInfo -> SetupBuildInfo Source # sconcat :: NonEmpty SetupBuildInfo -> SetupBuildInfo Source # stimes :: Integral b => b -> SetupBuildInfo -> SetupBuildInfo Source #
Semigroup DependencyMap #
Instance details Defined in Distribution.Types.DependencyMap Methods (<>) :: DependencyMap -> DependencyMap -> DependencyMap Source # sconcat :: NonEmpty DependencyMap -> DependencyMap Source # stimes :: Integral b => b -> DependencyMap -> DependencyMap Source #
Semigroup BuildInfo #
Instance details Defined in Distribution.Types.BuildInfo Methods (<>) :: BuildInfo -> BuildInfo -> BuildInfo Source # sconcat :: NonEmpty BuildInfo -> BuildInfo Source # stimes :: Integral b => b -> BuildInfo -> BuildInfo Source #
Semigroup TestSuite #
Instance details Defined in Distribution.Types.TestSuite Methods (<>) :: TestSuite -> TestSuite -> TestSuite Source # sconcat :: NonEmpty TestSuite -> TestSuite Source # stimes :: Integral b => b -> TestSuite -> TestSuite Source #
Semigroup Library #
Instance details Defined in Distribution.Types.Library Methods (<>) :: Library -> Library -> Library Source # sconcat :: NonEmpty Library -> Library Source # stimes :: Integral b => b -> Library -> Library Source #
Semigroup ForeignLib #
Instance details Defined in Distribution.Types.ForeignLib Methods (<>) :: ForeignLib -> ForeignLib -> ForeignLib Source # sconcat :: NonEmpty ForeignLib -> ForeignLib Source # stimes :: Integral b => b -> ForeignLib -> ForeignLib Source #
Semigroup Executable #
Instance details Defined in Distribution.Types.Executable Methods (<>) :: Executable -> Executable -> Executable Source # sconcat :: NonEmpty Executable -> Executable Source # stimes :: Integral b => b -> Executable -> Executable Source #
Semigroup Benchmark #
Instance details Defined in Distribution.Types.Benchmark Methods (<>) :: Benchmark -> Benchmark -> Benchmark Source # sconcat :: NonEmpty Benchmark -> Benchmark Source # stimes :: Integral b => b -> Benchmark -> Benchmark Source #
Semigroup Component #
Instance details Defined in Distribution.Types.Component Methods (<>) :: Component -> Component -> Component Source # sconcat :: NonEmpty Component -> Component Source # stimes :: Integral b => b -> Component -> Component Source #
Semigroup FlagAssignment #
Instance details Defined in Distribution.Types.GenericPackageDescription Methods (<>) :: FlagAssignment -> FlagAssignment -> FlagAssignment Source # sconcat :: NonEmpty FlagAssignment -> FlagAssignment Source # stimes :: Integral b => b -> FlagAssignment -> FlagAssignment Source #
Semigroup BenchmarkFlags #
Instance details Defined in Distribution.Simple.Setup Methods (<>) :: BenchmarkFlags -> BenchmarkFlags -> BenchmarkFlags Source # sconcat :: NonEmpty BenchmarkFlags -> BenchmarkFlags Source # stimes :: Integral b => b -> BenchmarkFlags -> BenchmarkFlags Source #
Semigroup TestFlags #
Instance details Defined in Distribution.Simple.Setup Methods (<>) :: TestFlags -> TestFlags -> TestFlags Source # sconcat :: NonEmpty TestFlags -> TestFlags Source # stimes :: Integral b => b -> TestFlags -> TestFlags Source #
Semigroup TestShowDetails #
Instance details Defined in Distribution.Simple.Setup Methods (<>) :: TestShowDetails -> TestShowDetails -> TestShowDetails Source # sconcat :: NonEmpty TestShowDetails -> TestShowDetails Source # stimes :: Integral b => b -> TestShowDetails -> TestShowDetails Source #
Semigroup ReplFlags #
Instance details Defined in Distribution.Simple.Setup Methods (<>) :: ReplFlags -> ReplFlags -> ReplFlags Source # sconcat :: NonEmpty ReplFlags -> ReplFlags Source # stimes :: Integral b => b -> ReplFlags -> ReplFlags Source #
Semigroup BuildFlags #
Instance details Defined in Distribution.Simple.Setup Methods (<>) :: BuildFlags -> BuildFlags -> BuildFlags Source # sconcat :: NonEmpty BuildFlags -> BuildFlags Source # stimes :: Integral b => b -> BuildFlags -> BuildFlags Source #
Semigroup CleanFlags #
Instance details Defined in Distribution.Simple.Setup Methods (<>) :: CleanFlags -> CleanFlags -> CleanFlags Source # sconcat :: NonEmpty CleanFlags -> CleanFlags Source # stimes :: Integral b => b -> CleanFlags -> CleanFlags Source #
Semigroup HaddockFlags #
Instance details Defined in Distribution.Simple.Setup Methods (<>) :: HaddockFlags -> HaddockFlags -> HaddockFlags Source # sconcat :: NonEmpty HaddockFlags -> HaddockFlags Source # stimes :: Integral b => b -> HaddockFlags -> HaddockFlags Source #
Semigroup DoctestFlags #
Instance details Defined in Distribution.Simple.Setup Methods (<>) :: DoctestFlags -> DoctestFlags -> DoctestFlags Source # sconcat :: NonEmpty DoctestFlags -> DoctestFlags Source # stimes :: Integral b => b -> DoctestFlags -> DoctestFlags Source #
Semigroup HscolourFlags #
Instance details Defined in Distribution.Simple.Setup Methods (<>) :: HscolourFlags -> HscolourFlags -> HscolourFlags Source # sconcat :: NonEmpty HscolourFlags -> HscolourFlags Source # stimes :: Integral b => b -> HscolourFlags -> HscolourFlags Source #
Semigroup RegisterFlags #
Instance details Defined in Distribution.Simple.Setup Methods (<>) :: RegisterFlags -> RegisterFlags -> RegisterFlags Source # sconcat :: NonEmpty RegisterFlags -> RegisterFlags Source # stimes :: Integral b => b -> RegisterFlags -> RegisterFlags Source #
Semigroup SDistFlags #
Instance details Defined in Distribution.Simple.Setup Methods (<>) :: SDistFlags -> SDistFlags -> SDistFlags Source # sconcat :: NonEmpty SDistFlags -> SDistFlags Source # stimes :: Integral b => b -> SDistFlags -> SDistFlags Source #
Semigroup InstallFlags #
Instance details Defined in Distribution.Simple.Setup Methods (<>) :: InstallFlags -> InstallFlags -> InstallFlags Source # sconcat :: NonEmpty InstallFlags -> InstallFlags Source # stimes :: Integral b => b -> InstallFlags -> InstallFlags Source #
Semigroup CopyFlags #
Instance details Defined in Distribution.Simple.Setup Methods (<>) :: CopyFlags -> CopyFlags -> CopyFlags Source # sconcat :: NonEmpty CopyFlags -> CopyFlags Source # stimes :: Integral b => b -> CopyFlags -> CopyFlags Source #
Semigroup ConfigFlags #
Instance details Defined in Distribution.Simple.Setup Methods (<>) :: ConfigFlags -> ConfigFlags -> ConfigFlags Source # sconcat :: NonEmpty ConfigFlags -> ConfigFlags Source # stimes :: Integral b => b -> ConfigFlags -> ConfigFlags Source #
Semigroup GlobalFlags #
Instance details Defined in Distribution.Simple.Setup Methods (<>) :: GlobalFlags -> GlobalFlags -> GlobalFlags Source # sconcat :: NonEmpty GlobalFlags -> GlobalFlags Source # stimes :: Integral b => b -> GlobalFlags -> GlobalFlags Source #
Semigroup GhcOptions #
Instance details Defined in Distribution.Simple.Program.GHC Methods (<>) :: GhcOptions -> GhcOptions -> GhcOptions Source # sconcat :: NonEmpty GhcOptions -> GhcOptions Source # stimes :: Integral b => b -> GhcOptions -> GhcOptions Source #
Semigroup [a]	Since: base-4.9.0.0
Instance details Defined in GHC.Base Methods (<>) :: [a] -> [a] -> [a] Source # sconcat :: NonEmpty [a] -> [a] Source # stimes :: Integral b => b -> [a] -> [a] Source #
Semigroup a => Semigroup (Maybe a)	Since: base-4.9.0.0
Instance details Defined in GHC.Base Methods (<>) :: Maybe a -> Maybe a -> Maybe a Source # sconcat :: NonEmpty (Maybe a) -> Maybe a Source # stimes :: Integral b => b -> Maybe a -> Maybe a Source #
Semigroup a => Semigroup (IO a)	Since: base-4.10.0.0
Instance details Defined in GHC.Base Methods (<>) :: IO a -> IO a -> IO a Source # sconcat :: NonEmpty (IO a) -> IO a Source # stimes :: Integral b => b -> IO a -> IO a Source #
Ord a => Semigroup (Min a)	Since: base-4.9.0.0
Instance details Defined in Data.Semigroup Methods (<>) :: Min a -> Min a -> Min a Source # sconcat :: NonEmpty (Min a) -> Min a Source # stimes :: Integral b => b -> Min a -> Min a Source #
Ord a => Semigroup (Max a)	Since: base-4.9.0.0
Instance details Defined in Data.Semigroup Methods (<>) :: Max a -> Max a -> Max a Source # sconcat :: NonEmpty (Max a) -> Max a Source # stimes :: Integral b => b -> Max a -> Max a Source #
Semigroup (First a)	Since: base-4.9.0.0
Instance details Defined in Data.Semigroup Methods (<>) :: First a -> First a -> First a Source # sconcat :: NonEmpty (First a) -> First a Source # stimes :: Integral b => b -> First a -> First a Source #
Semigroup (Last a)	Since: base-4.9.0.0
Instance details Defined in Data.Semigroup Methods (<>) :: Last a -> Last a -> Last a Source # sconcat :: NonEmpty (Last a) -> Last a Source # stimes :: Integral b => b -> Last a -> Last a Source #
Monoid m => Semigroup (WrappedMonoid m)	Since: base-4.9.0.0
Instance details Defined in Data.Semigroup Methods (<>) :: WrappedMonoid m -> WrappedMonoid m -> WrappedMonoid m Source # sconcat :: NonEmpty (WrappedMonoid m) -> WrappedMonoid m Source # stimes :: Integral b => b -> WrappedMonoid m -> WrappedMonoid m Source #
Semigroup a => Semigroup (Option a)	Since: base-4.9.0.0
Instance details Defined in Data.Semigroup Methods (<>) :: Option a -> Option a -> Option a Source # sconcat :: NonEmpty (Option a) -> Option a Source # stimes :: Integral b => b -> Option a -> Option a Source #
Semigroup a => Semigroup (Identity a)
Instance details Defined in Data.Functor.Identity Methods (<>) :: Identity a -> Identity a -> Identity a Source # sconcat :: NonEmpty (Identity a) -> Identity a Source # stimes :: Integral b => b -> Identity a -> Identity a Source #
Semigroup (First a)	Since: base-4.9.0.0
Instance details Defined in Data.Monoid Methods (<>) :: First a -> First a -> First a Source # sconcat :: NonEmpty (First a) -> First a Source # stimes :: Integral b => b -> First a -> First a Source #
Semigroup (Last a)	Since: base-4.9.0.0
Instance details Defined in Data.Monoid Methods (<>) :: Last a -> Last a -> Last a Source # sconcat :: NonEmpty (Last a) -> Last a Source # stimes :: Integral b => b -> Last a -> Last a Source #
Semigroup a => Semigroup (Dual a)	Since: base-4.9.0.0
Instance details Defined in Data.Semigroup.Internal Methods (<>) :: Dual a -> Dual a -> Dual a Source # sconcat :: NonEmpty (Dual a) -> Dual a Source # stimes :: Integral b => b -> Dual a -> Dual a Source #
Semigroup (Endo a)	Since: base-4.9.0.0
Instance details Defined in Data.Semigroup.Internal Methods (<>) :: Endo a -> Endo a -> Endo a Source # sconcat :: NonEmpty (Endo a) -> Endo a Source # stimes :: Integral b => b -> Endo a -> Endo a Source #
Num a => Semigroup (Sum a)	Since: base-4.9.0.0
Instance details Defined in Data.Semigroup.Internal Methods (<>) :: Sum a -> Sum a -> Sum a Source # sconcat :: NonEmpty (Sum a) -> Sum a Source # stimes :: Integral b => b -> Sum a -> Sum a Source #
Num a => Semigroup (Product a)	Since: base-4.9.0.0
Instance details Defined in Data.Semigroup.Internal Methods (<>) :: Product a -> Product a -> Product a Source # sconcat :: NonEmpty (Product a) -> Product a Source # stimes :: Integral b => b -> Product a -> Product a Source #
Semigroup a => Semigroup (Down a)	Since: base-4.11.0.0
Instance details Defined in Data.Ord Methods (<>) :: Down a -> Down a -> Down a Source # sconcat :: NonEmpty (Down a) -> Down a Source # stimes :: Integral b => b -> Down a -> Down a Source #
Semigroup (NonEmpty a)	Since: base-4.9.0.0
Instance details Defined in GHC.Base Methods (<>) :: NonEmpty a -> NonEmpty a -> NonEmpty a Source # sconcat :: NonEmpty (NonEmpty a) -> NonEmpty a Source # stimes :: Integral b => b -> NonEmpty a -> NonEmpty a Source #
Semigroup (IntMap a)	Since: containers-0.5.7
Instance details Defined in Data.IntMap.Internal Methods (<>) :: IntMap a -> IntMap a -> IntMap a Source # sconcat :: NonEmpty (IntMap a) -> IntMap a Source # stimes :: Integral b => b -> IntMap a -> IntMap a Source #
Semigroup (Seq a)	Since: containers-0.5.7
Instance details Defined in Data.Sequence.Internal Methods (<>) :: Seq a -> Seq a -> Seq a Source # sconcat :: NonEmpty (Seq a) -> Seq a Source # stimes :: Integral b => b -> Seq a -> Seq a Source #
Ord a => Semigroup (Set a)	Since: containers-0.5.7
Instance details Defined in Data.Set.Internal Methods (<>) :: Set a -> Set a -> Set a Source # sconcat :: NonEmpty (Set a) -> Set a Source # stimes :: Integral b => b -> Set a -> Set a Source #
Semigroup (Doc a)
Instance details Defined in Text.PrettyPrint.Annotated.HughesPJ Methods (<>) :: Doc a -> Doc a -> Doc a Source # sconcat :: NonEmpty (Doc a) -> Doc a Source # stimes :: Integral b => b -> Doc a -> Doc a Source #
Semigroup (PutM ())
Instance details Defined in Data.Binary.Put Methods (<>) :: PutM () -> PutM () -> PutM () Source # sconcat :: NonEmpty (PutM ()) -> PutM () Source # stimes :: Integral b => b -> PutM () -> PutM () Source #
Semigroup (MergeSet a)
Instance details Defined in Data.Set.Internal Methods (<>) :: MergeSet a -> MergeSet a -> MergeSet a Source # sconcat :: NonEmpty (MergeSet a) -> MergeSet a Source # stimes :: Integral b => b -> MergeSet a -> MergeSet a Source #
Semigroup (Last' a) #
Instance details Defined in Distribution.Compat.Semigroup Methods (<>) :: Last' a -> Last' a -> Last' a Source # sconcat :: NonEmpty (Last' a) -> Last' a Source # stimes :: Integral b => b -> Last' a -> Last' a Source #
Semigroup (DList a) #
Instance details Defined in Distribution.Compat.DList Methods (<>) :: DList a -> DList a -> DList a Source # sconcat :: NonEmpty (DList a) -> DList a Source # stimes :: Integral b => b -> DList a -> DList a Source #
Semigroup (Condition a) #
Instance details Defined in Distribution.Types.Condition Methods (<>) :: Condition a -> Condition a -> Condition a Source # sconcat :: NonEmpty (Condition a) -> Condition a Source # stimes :: Integral b => b -> Condition a -> Condition a Source #
Semigroup dir => Semigroup (InstallDirs dir) #
Instance details Defined in Distribution.Simple.InstallDirs Methods (<>) :: InstallDirs dir -> InstallDirs dir -> InstallDirs dir Source # sconcat :: NonEmpty (InstallDirs dir) -> InstallDirs dir Source # stimes :: Integral b => b -> InstallDirs dir -> InstallDirs dir Source #
Ord a => Semigroup (NubListR a) #
Instance details Defined in Distribution.Utils.NubList Methods (<>) :: NubListR a -> NubListR a -> NubListR a Source # sconcat :: NonEmpty (NubListR a) -> NubListR a Source # stimes :: Integral b => b -> NubListR a -> NubListR a Source #
Ord a => Semigroup (NubList a) #
Instance details Defined in Distribution.Utils.NubList Methods (<>) :: NubList a -> NubList a -> NubList a Source # sconcat :: NonEmpty (NubList a) -> NubList a Source # stimes :: Integral b => b -> NubList a -> NubList a Source #
Semigroup (Flag a) #
Instance details Defined in Distribution.Simple.Setup Methods (<>) :: Flag a -> Flag a -> Flag a Source # sconcat :: NonEmpty (Flag a) -> Flag a Source # stimes :: Integral b => b -> Flag a -> Flag a Source #
Semigroup (PackageIndex InstalledPackageInfo) #
Instance details Defined in Distribution.Simple.PackageIndex Methods (<>) :: PackageIndex InstalledPackageInfo -> PackageIndex InstalledPackageInfo -> PackageIndex InstalledPackageInfo Source # sconcat :: NonEmpty (PackageIndex InstalledPackageInfo) -> PackageIndex InstalledPackageInfo Source # stimes :: Integral b => b -> PackageIndex InstalledPackageInfo -> PackageIndex InstalledPackageInfo Source #
Semigroup b => Semigroup (a -> b)	Since: base-4.9.0.0
Instance details Defined in GHC.Base Methods (<>) :: (a -> b) -> (a -> b) -> a -> b Source # sconcat :: NonEmpty (a -> b) -> a -> b Source # stimes :: Integral b0 => b0 -> (a -> b) -> a -> b Source #
Semigroup (Either a b)	Since: base-4.9.0.0
Instance details Defined in Data.Either Methods (<>) :: Either a b -> Either a b -> Either a b Source # sconcat :: NonEmpty (Either a b) -> Either a b Source # stimes :: Integral b0 => b0 -> Either a b -> Either a b Source #
(Semigroup a, Semigroup b) => Semigroup (a, b)	Since: base-4.9.0.0
Instance details Defined in GHC.Base Methods (<>) :: (a, b) -> (a, b) -> (a, b) Source # sconcat :: NonEmpty (a, b) -> (a, b) Source # stimes :: Integral b0 => b0 -> (a, b) -> (a, b) Source #
Semigroup a => Semigroup (ST s a)	Since: base-4.11.0.0
Instance details Defined in GHC.ST Methods (<>) :: ST s a -> ST s a -> ST s a Source # sconcat :: NonEmpty (ST s a) -> ST s a Source # stimes :: Integral b => b -> ST s a -> ST s a Source #
Semigroup (Proxy s)	Since: base-4.9.0.0
Instance details Defined in Data.Proxy Methods (<>) :: Proxy s -> Proxy s -> Proxy s Source # sconcat :: NonEmpty (Proxy s) -> Proxy s Source # stimes :: Integral b => b -> Proxy s -> Proxy s Source #
Ord k => Semigroup (Map k v)
Instance details Defined in Data.Map.Internal Methods (<>) :: Map k v -> Map k v -> Map k v Source # sconcat :: NonEmpty (Map k v) -> Map k v Source # stimes :: Integral b => b -> Map k v -> Map k v Source #
(Semigroup a, Semigroup b, Semigroup c) => Semigroup (a, b, c)	Since: base-4.9.0.0
Instance details Defined in GHC.Base Methods (<>) :: (a, b, c) -> (a, b, c) -> (a, b, c) Source # sconcat :: NonEmpty (a, b, c) -> (a, b, c) Source # stimes :: Integral b0 => b0 -> (a, b, c) -> (a, b, c) Source #
Semigroup a => Semigroup (Const a b)
Instance details Defined in Data.Functor.Const Methods (<>) :: Const a b -> Const a b -> Const a b Source # sconcat :: NonEmpty (Const a b) -> Const a b Source # stimes :: Integral b0 => b0 -> Const a b -> Const a b Source #
Alternative f => Semigroup (Alt f a)	Since: base-4.9.0.0
Instance details Defined in Data.Semigroup.Internal Methods (<>) :: Alt f a -> Alt f a -> Alt f a Source # sconcat :: NonEmpty (Alt f a) -> Alt f a Source # stimes :: Integral b => b -> Alt f a -> Alt f a Source #
(Semigroup a, Semigroup b, Semigroup c, Semigroup d) => Semigroup (a, b, c, d)	Since: base-4.9.0.0
Instance details Defined in GHC.Base Methods (<>) :: (a, b, c, d) -> (a, b, c, d) -> (a, b, c, d) Source # sconcat :: NonEmpty (a, b, c, d) -> (a, b, c, d) Source # stimes :: Integral b0 => b0 -> (a, b, c, d) -> (a, b, c, d) Source #
Semigroup a => Semigroup (ParsecT s u m a)	The `Semigroup` instance for `ParsecT` is used to append the result of several parsers, for example: (many $ char `a`) <> (many $ char `b`) The above will parse a string like `"aabbb"` and return a successful parse result `"aabbb"`. Compare against the below which will produce a result of `"bbb"` for the same input: (many $ char `a`) >> (many $ char `b`) (many $ char `a`) > (many $ char `b`) Since: parsec-3.1.12*
Instance details Defined in Text.Parsec.Prim Methods (<>) :: ParsecT s u m a -> ParsecT s u m a -> ParsecT s u m a Source # sconcat :: NonEmpty (ParsecT s u m a) -> ParsecT s u m a Source # stimes :: Integral b => b -> ParsecT s u m a -> ParsecT s u m a Source #
(Semigroup a, Semigroup b, Semigroup c, Semigroup d, Semigroup e) => Semigroup (a, b, c, d, e)	Since: base-4.9.0.0
Instance details Defined in GHC.Base Methods (<>) :: (a, b, c, d, e) -> (a, b, c, d, e) -> (a, b, c, d, e) Source # sconcat :: NonEmpty (a, b, c, d, e) -> (a, b, c, d, e) Source # stimes :: Integral b0 => b0 -> (a, b, c, d, e) -> (a, b, c, d, e) Source #

class Semigroup a => Monoid a where Source #

The class of monoids (types with an associative binary operation that has an identity). Instances should satisfy the following laws:

```
x <> mempty = x
```
```
mempty <> x = x
```
x <> (y <> z) = (x <> y) <> z (Semigroup law)
```
mconcat = foldr '(<>)' mempty
```

The method names refer to the monoid of lists under concatenation, but there are many other instances.

Some types can be viewed as a monoid in more than one way, e.g. both addition and multiplication on numbers. In such cases we often define newtypes and make those instances of Monoid, e.g. Sum and Product.

NOTE: Semigroup is a superclass of Monoid since base-4.11.0.0.

Minimal complete definition

mempty

Methods

mempty :: a Source #

Identity of mappend

mappend :: a -> a -> a Source #

An associative operation

NOTE: This method is redundant and has the default implementation mappend = '(<>)' since base-4.11.0.0.

mconcat :: [a] -> a Source #

Fold a list using the monoid.

For most types, the default definition for mconcat will be used, but the function is included in the class definition so that an optimized version can be provided for specific types.

Instances

Monoid Ordering	Since: base-2.1
Instance details Defined in GHC.Base Methods mempty :: Ordering Source # mappend :: Ordering -> Ordering -> Ordering Source # mconcat :: [Ordering] -> Ordering Source #
Monoid ()	Since: base-2.1
Instance details Defined in GHC.Base Methods mempty :: () Source # mappend :: () -> () -> () Source # mconcat :: [()] -> () Source #
Monoid All	Since: base-2.1
Instance details Defined in Data.Semigroup.Internal Methods mempty :: All Source # mappend :: All -> All -> All Source # mconcat :: [All] -> All Source #
Monoid Any	Since: base-2.1
Instance details Defined in Data.Semigroup.Internal Methods mempty :: Any Source # mappend :: Any -> Any -> Any Source # mconcat :: [Any] -> Any Source #
Monoid Builder
Instance details Defined in Data.ByteString.Builder.Internal Methods mempty :: Builder Source # mappend :: Builder -> Builder -> Builder Source # mconcat :: [Builder] -> Builder Source #
Monoid ByteString
Instance details Defined in Data.ByteString.Lazy.Internal Methods mempty :: ByteString Source # mappend :: ByteString -> ByteString -> ByteString Source # mconcat :: [ByteString] -> ByteString Source #
Monoid ShortByteString
Instance details Defined in Data.ByteString.Short.Internal Methods mempty :: ShortByteString Source # mappend :: ShortByteString -> ShortByteString -> ShortByteString Source # mconcat :: [ShortByteString] -> ShortByteString Source #
Monoid ByteString
Instance details Defined in Data.ByteString.Internal Methods mempty :: ByteString Source # mappend :: ByteString -> ByteString -> ByteString Source # mconcat :: [ByteString] -> ByteString Source #
Monoid IntSet
Instance details Defined in Data.IntSet.Internal Methods mempty :: IntSet Source # mappend :: IntSet -> IntSet -> IntSet Source # mconcat :: [IntSet] -> IntSet Source #
Monoid Doc
Instance details Defined in Text.PrettyPrint.HughesPJ Methods mempty :: Doc Source # mappend :: Doc -> Doc -> Doc Source # mconcat :: [Doc] -> Doc Source #
Monoid CDialect #
Instance details Defined in Distribution.Simple.CCompiler Methods mempty :: CDialect Source # mappend :: CDialect -> CDialect -> CDialect Source # mconcat :: [CDialect] -> CDialect Source #
Monoid ShortText #
Instance details Defined in Distribution.Utils.ShortText Methods mempty :: ShortText Source # mappend :: ShortText -> ShortText -> ShortText Source # mconcat :: [ShortText] -> ShortText Source #
Monoid ForeignLibType #
Instance details Defined in Distribution.Types.ForeignLibType Methods mempty :: ForeignLibType Source # mappend :: ForeignLibType -> ForeignLibType -> ForeignLibType Source # mconcat :: [ForeignLibType] -> ForeignLibType Source #
Monoid ExecutableScope #	`mempty` = `ExecutablePublic`
Instance details Defined in Distribution.Types.ExecutableScope Methods mempty :: ExecutableScope Source # mappend :: ExecutableScope -> ExecutableScope -> ExecutableScope Source # mconcat :: [ExecutableScope] -> ExecutableScope Source #
Monoid TestSuiteInterface #
Instance details Defined in Distribution.Types.TestSuiteInterface Methods mempty :: TestSuiteInterface Source # mappend :: TestSuiteInterface -> TestSuiteInterface -> TestSuiteInterface Source # mconcat :: [TestSuiteInterface] -> TestSuiteInterface Source #
Monoid BenchmarkInterface #
Instance details Defined in Distribution.Types.BenchmarkInterface Methods mempty :: BenchmarkInterface Source # mappend :: BenchmarkInterface -> BenchmarkInterface -> BenchmarkInterface Source # mconcat :: [BenchmarkInterface] -> BenchmarkInterface Source #
Monoid UnqualComponentName #
Instance details Defined in Distribution.Types.UnqualComponentName Methods mempty :: UnqualComponentName Source # mappend :: UnqualComponentName -> UnqualComponentName -> UnqualComponentName Source # mconcat :: [UnqualComponentName] -> UnqualComponentName Source #
Monoid SetupBuildInfo #
Instance details Defined in Distribution.Types.SetupBuildInfo Methods mempty :: SetupBuildInfo Source # mappend :: SetupBuildInfo -> SetupBuildInfo -> SetupBuildInfo Source # mconcat :: [SetupBuildInfo] -> SetupBuildInfo Source #
Monoid DependencyMap #
Instance details Defined in Distribution.Types.DependencyMap Methods mempty :: DependencyMap Source # mappend :: DependencyMap -> DependencyMap -> DependencyMap Source # mconcat :: [DependencyMap] -> DependencyMap Source #
Monoid BuildInfo #
Instance details Defined in Distribution.Types.BuildInfo Methods mempty :: BuildInfo Source # mappend :: BuildInfo -> BuildInfo -> BuildInfo Source # mconcat :: [BuildInfo] -> BuildInfo Source #
Monoid TestSuite #
Instance details Defined in Distribution.Types.TestSuite Methods mempty :: TestSuite Source # mappend :: TestSuite -> TestSuite -> TestSuite Source # mconcat :: [TestSuite] -> TestSuite Source #
Monoid Library #
Instance details Defined in Distribution.Types.Library Methods mempty :: Library Source # mappend :: Library -> Library -> Library Source # mconcat :: [Library] -> Library Source #
Monoid ForeignLib #
Instance details Defined in Distribution.Types.ForeignLib Methods mempty :: ForeignLib Source # mappend :: ForeignLib -> ForeignLib -> ForeignLib Source # mconcat :: [ForeignLib] -> ForeignLib Source #
Monoid Executable #
Instance details Defined in Distribution.Types.Executable Methods mempty :: Executable Source # mappend :: Executable -> Executable -> Executable Source # mconcat :: [Executable] -> Executable Source #
Monoid Benchmark #
Instance details Defined in Distribution.Types.Benchmark Methods mempty :: Benchmark Source # mappend :: Benchmark -> Benchmark -> Benchmark Source # mconcat :: [Benchmark] -> Benchmark Source #
Monoid FlagAssignment #
Instance details Defined in Distribution.Types.GenericPackageDescription Methods mempty :: FlagAssignment Source # mappend :: FlagAssignment -> FlagAssignment -> FlagAssignment Source # mconcat :: [FlagAssignment] -> FlagAssignment Source #
Monoid BenchmarkFlags #
Instance details Defined in Distribution.Simple.Setup Methods mempty :: BenchmarkFlags Source # mappend :: BenchmarkFlags -> BenchmarkFlags -> BenchmarkFlags Source # mconcat :: [BenchmarkFlags] -> BenchmarkFlags Source #
Monoid TestFlags #
Instance details Defined in Distribution.Simple.Setup Methods mempty :: TestFlags Source # mappend :: TestFlags -> TestFlags -> TestFlags Source # mconcat :: [TestFlags] -> TestFlags Source #
Monoid TestShowDetails #
Instance details Defined in Distribution.Simple.Setup Methods mempty :: TestShowDetails Source # mappend :: TestShowDetails -> TestShowDetails -> TestShowDetails Source # mconcat :: [TestShowDetails] -> TestShowDetails Source #
Monoid ReplFlags #
Instance details Defined in Distribution.Simple.Setup Methods mempty :: ReplFlags Source # mappend :: ReplFlags -> ReplFlags -> ReplFlags Source # mconcat :: [ReplFlags] -> ReplFlags Source #
Monoid BuildFlags #
Instance details Defined in Distribution.Simple.Setup Methods mempty :: BuildFlags Source # mappend :: BuildFlags -> BuildFlags -> BuildFlags Source # mconcat :: [BuildFlags] -> BuildFlags Source #
Monoid CleanFlags #
Instance details Defined in Distribution.Simple.Setup Methods mempty :: CleanFlags Source # mappend :: CleanFlags -> CleanFlags -> CleanFlags Source # mconcat :: [CleanFlags] -> CleanFlags Source #
Monoid HaddockFlags #
Instance details Defined in Distribution.Simple.Setup Methods mempty :: HaddockFlags Source # mappend :: HaddockFlags -> HaddockFlags -> HaddockFlags Source # mconcat :: [HaddockFlags] -> HaddockFlags Source #
Monoid DoctestFlags #
Instance details Defined in Distribution.Simple.Setup Methods mempty :: DoctestFlags Source # mappend :: DoctestFlags -> DoctestFlags -> DoctestFlags Source # mconcat :: [DoctestFlags] -> DoctestFlags Source #
Monoid HscolourFlags #
Instance details Defined in Distribution.Simple.Setup Methods mempty :: HscolourFlags Source # mappend :: HscolourFlags -> HscolourFlags -> HscolourFlags Source # mconcat :: [HscolourFlags] -> HscolourFlags Source #
Monoid RegisterFlags #
Instance details Defined in Distribution.Simple.Setup Methods mempty :: RegisterFlags Source # mappend :: RegisterFlags -> RegisterFlags -> RegisterFlags Source # mconcat :: [RegisterFlags] -> RegisterFlags Source #
Monoid SDistFlags #
Instance details Defined in Distribution.Simple.Setup Methods mempty :: SDistFlags Source # mappend :: SDistFlags -> SDistFlags -> SDistFlags Source # mconcat :: [SDistFlags] -> SDistFlags Source #
Monoid InstallFlags #
Instance details Defined in Distribution.Simple.Setup Methods mempty :: InstallFlags Source # mappend :: InstallFlags -> InstallFlags -> InstallFlags Source # mconcat :: [InstallFlags] -> InstallFlags Source #
Monoid CopyFlags #
Instance details Defined in Distribution.Simple.Setup Methods mempty :: CopyFlags Source # mappend :: CopyFlags -> CopyFlags -> CopyFlags Source # mconcat :: [CopyFlags] -> CopyFlags Source #
Monoid ConfigFlags #
Instance details Defined in Distribution.Simple.Setup Methods mempty :: ConfigFlags Source # mappend :: ConfigFlags -> ConfigFlags -> ConfigFlags Source # mconcat :: [ConfigFlags] -> ConfigFlags Source #
Monoid GlobalFlags #
Instance details Defined in Distribution.Simple.Setup Methods mempty :: GlobalFlags Source # mappend :: GlobalFlags -> GlobalFlags -> GlobalFlags Source # mconcat :: [GlobalFlags] -> GlobalFlags Source #
Monoid GhcOptions #
Instance details Defined in Distribution.Simple.Program.GHC Methods mempty :: GhcOptions Source # mappend :: GhcOptions -> GhcOptions -> GhcOptions Source # mconcat :: [GhcOptions] -> GhcOptions Source #
Monoid [a]	Since: base-2.1
Instance details Defined in GHC.Base Methods mempty :: [a] Source # mappend :: [a] -> [a] -> [a] Source # mconcat :: [[a]] -> [a] Source #
Semigroup a => Monoid (Maybe a)	Lift a semigroup into `Maybe` forming a `Monoid` according to http://en.wikipedia.org/wiki/Monoid: "Any semigroup `S` may be turned into a monoid simply by adjoining an element `e` not in `S` and defining `ee = e` and `es = s = se` for all `s ∈ S`." Since 4.11.0: constraint on inner `a` value generalised from `Monoid` to `Semigroup`. Since: base-2.1*
Instance details Defined in GHC.Base Methods mempty :: Maybe a Source # mappend :: Maybe a -> Maybe a -> Maybe a Source # mconcat :: [Maybe a] -> Maybe a Source #
Monoid a => Monoid (IO a)	Since: base-4.9.0.0
Instance details Defined in GHC.Base Methods mempty :: IO a Source # mappend :: IO a -> IO a -> IO a Source # mconcat :: [IO a] -> IO a Source #
(Ord a, Bounded a) => Monoid (Min a)	Since: base-4.9.0.0
Instance details Defined in Data.Semigroup Methods mempty :: Min a Source # mappend :: Min a -> Min a -> Min a Source # mconcat :: [Min a] -> Min a Source #
(Ord a, Bounded a) => Monoid (Max a)	Since: base-4.9.0.0
Instance details Defined in Data.Semigroup Methods mempty :: Max a Source # mappend :: Max a -> Max a -> Max a Source # mconcat :: [Max a] -> Max a Source #
Monoid m => Monoid (WrappedMonoid m)	Since: base-4.9.0.0
Instance details Defined in Data.Semigroup Methods mempty :: WrappedMonoid m Source # mappend :: WrappedMonoid m -> WrappedMonoid m -> WrappedMonoid m Source # mconcat :: [WrappedMonoid m] -> WrappedMonoid m Source #
Semigroup a => Monoid (Option a)	Since: base-4.9.0.0
Instance details Defined in Data.Semigroup Methods mempty :: Option a Source # mappend :: Option a -> Option a -> Option a Source # mconcat :: [Option a] -> Option a Source #
Monoid a => Monoid (Identity a)
Instance details Defined in Data.Functor.Identity Methods mempty :: Identity a Source # mappend :: Identity a -> Identity a -> Identity a Source # mconcat :: [Identity a] -> Identity a Source #
Monoid (First a)	Since: base-2.1
Instance details Defined in Data.Monoid Methods mempty :: First a Source # mappend :: First a -> First a -> First a Source # mconcat :: [First a] -> First a Source #
Monoid (Last a)	Since: base-2.1
Instance details Defined in Data.Monoid Methods mempty :: Last a Source # mappend :: Last a -> Last a -> Last a Source # mconcat :: [Last a] -> Last a Source #
Monoid a => Monoid (Dual a)	Since: base-2.1
Instance details Defined in Data.Semigroup.Internal Methods mempty :: Dual a Source # mappend :: Dual a -> Dual a -> Dual a Source # mconcat :: [Dual a] -> Dual a Source #
Monoid (Endo a)	Since: base-2.1
Instance details Defined in Data.Semigroup.Internal Methods mempty :: Endo a Source # mappend :: Endo a -> Endo a -> Endo a Source # mconcat :: [Endo a] -> Endo a Source #
Num a => Monoid (Sum a)	Since: base-2.1
Instance details Defined in Data.Semigroup.Internal Methods mempty :: Sum a Source # mappend :: Sum a -> Sum a -> Sum a Source # mconcat :: [Sum a] -> Sum a Source #
Num a => Monoid (Product a)	Since: base-2.1
Instance details Defined in Data.Semigroup.Internal Methods mempty :: Product a Source # mappend :: Product a -> Product a -> Product a Source # mconcat :: [Product a] -> Product a Source #
Monoid a => Monoid (Down a)	Since: base-4.11.0.0
Instance details Defined in Data.Ord Methods mempty :: Down a Source # mappend :: Down a -> Down a -> Down a Source # mconcat :: [Down a] -> Down a Source #
Monoid (IntMap a)
Instance details Defined in Data.IntMap.Internal Methods mempty :: IntMap a Source # mappend :: IntMap a -> IntMap a -> IntMap a Source # mconcat :: [IntMap a] -> IntMap a Source #
Monoid (Seq a)
Instance details Defined in Data.Sequence.Internal Methods mempty :: Seq a Source # mappend :: Seq a -> Seq a -> Seq a Source # mconcat :: [Seq a] -> Seq a Source #
Ord a => Monoid (Set a)
Instance details Defined in Data.Set.Internal Methods mempty :: Set a Source # mappend :: Set a -> Set a -> Set a Source # mconcat :: [Set a] -> Set a Source #
Monoid (Doc a)
Instance details Defined in Text.PrettyPrint.Annotated.HughesPJ Methods mempty :: Doc a Source # mappend :: Doc a -> Doc a -> Doc a Source # mconcat :: [Doc a] -> Doc a Source #
Monoid (PutM ())
Instance details Defined in Data.Binary.Put Methods mempty :: PutM () Source # mappend :: PutM () -> PutM () -> PutM () Source # mconcat :: [PutM ()] -> PutM () Source #
Monoid (MergeSet a)
Instance details Defined in Data.Set.Internal Methods mempty :: MergeSet a Source # mappend :: MergeSet a -> MergeSet a -> MergeSet a Source # mconcat :: [MergeSet a] -> MergeSet a Source #
Monoid (Last' a) #
Instance details Defined in Distribution.Compat.Semigroup Methods mempty :: Last' a Source # mappend :: Last' a -> Last' a -> Last' a Source # mconcat :: [Last' a] -> Last' a Source #
Monoid (DList a) #
Instance details Defined in Distribution.Compat.DList Methods mempty :: DList a Source # mappend :: DList a -> DList a -> DList a Source # mconcat :: [DList a] -> DList a Source #
Monoid (Condition a) #
Instance details Defined in Distribution.Types.Condition Methods mempty :: Condition a Source # mappend :: Condition a -> Condition a -> Condition a Source # mconcat :: [Condition a] -> Condition a Source #
(Semigroup dir, Monoid dir) => Monoid (InstallDirs dir) #
Instance details Defined in Distribution.Simple.InstallDirs Methods mempty :: InstallDirs dir Source # mappend :: InstallDirs dir -> InstallDirs dir -> InstallDirs dir Source # mconcat :: [InstallDirs dir] -> InstallDirs dir Source #
Ord a => Monoid (NubListR a) #
Instance details Defined in Distribution.Utils.NubList Methods mempty :: NubListR a Source # mappend :: NubListR a -> NubListR a -> NubListR a Source # mconcat :: [NubListR a] -> NubListR a Source #
Ord a => Monoid (NubList a) #	Monoid operations on NubLists. For a valid Monoid instance we need to satistfy the required monoid laws; identity, associativity and closure. Identity : by inspection: mempty `mappend` NubList xs == NubList xs `mappend` mempty Associativity : by inspection: (NubList xs `mappend` NubList ys) `mappend` NubList zs == NubList xs `mappend` (NubList ys `mappend` NubList zs) Closure : appending two lists of type a and removing duplicates obviously does not change the type.
Instance details Defined in Distribution.Utils.NubList Methods mempty :: NubList a Source # mappend :: NubList a -> NubList a -> NubList a Source # mconcat :: [NubList a] -> NubList a Source #
Monoid (Flag a) #
Instance details Defined in Distribution.Simple.Setup Methods mempty :: Flag a Source # mappend :: Flag a -> Flag a -> Flag a Source # mconcat :: [Flag a] -> Flag a Source #
Monoid (PackageIndex InstalledPackageInfo) #
Instance details Defined in Distribution.Simple.PackageIndex Methods mempty :: PackageIndex InstalledPackageInfo Source # mappend :: PackageIndex InstalledPackageInfo -> PackageIndex InstalledPackageInfo -> PackageIndex InstalledPackageInfo Source # mconcat :: [PackageIndex InstalledPackageInfo] -> PackageIndex InstalledPackageInfo Source #
Monoid b => Monoid (a -> b)	Since: base-2.1
Instance details Defined in GHC.Base Methods mempty :: a -> b Source # mappend :: (a -> b) -> (a -> b) -> a -> b Source # mconcat :: [a -> b] -> a -> b Source #
(Monoid a, Monoid b) => Monoid (a, b)	Since: base-2.1
Instance details Defined in GHC.Base Methods mempty :: (a, b) Source # mappend :: (a, b) -> (a, b) -> (a, b) Source # mconcat :: [(a, b)] -> (a, b) Source #
Monoid a => Monoid (ST s a)	Since: base-4.11.0.0
Instance details Defined in GHC.ST Methods mempty :: ST s a Source # mappend :: ST s a -> ST s a -> ST s a Source # mconcat :: [ST s a] -> ST s a Source #
Monoid (Proxy s)	Since: base-4.7.0.0
Instance details Defined in Data.Proxy Methods mempty :: Proxy s Source # mappend :: Proxy s -> Proxy s -> Proxy s Source # mconcat :: [Proxy s] -> Proxy s Source #
Ord k => Monoid (Map k v)
Instance details Defined in Data.Map.Internal Methods mempty :: Map k v Source # mappend :: Map k v -> Map k v -> Map k v Source # mconcat :: [Map k v] -> Map k v Source #
(Monoid a, Monoid b, Monoid c) => Monoid (a, b, c)	Since: base-2.1
Instance details Defined in GHC.Base Methods mempty :: (a, b, c) Source # mappend :: (a, b, c) -> (a, b, c) -> (a, b, c) Source # mconcat :: [(a, b, c)] -> (a, b, c) Source #
Monoid a => Monoid (Const a b)
Instance details Defined in Data.Functor.Const Methods mempty :: Const a b Source # mappend :: Const a b -> Const a b -> Const a b Source # mconcat :: [Const a b] -> Const a b Source #
Alternative f => Monoid (Alt f a)	Since: base-4.8.0.0
Instance details Defined in Data.Semigroup.Internal Methods mempty :: Alt f a Source # mappend :: Alt f a -> Alt f a -> Alt f a Source # mconcat :: [Alt f a] -> Alt f a Source #
(Monoid a, Monoid b, Monoid c, Monoid d) => Monoid (a, b, c, d)	Since: base-2.1
Instance details Defined in GHC.Base Methods mempty :: (a, b, c, d) Source # mappend :: (a, b, c, d) -> (a, b, c, d) -> (a, b, c, d) Source # mconcat :: [(a, b, c, d)] -> (a, b, c, d) Source #
(Monoid a, Semigroup (ParsecT s u m a)) => Monoid (ParsecT s u m a)	The `Monoid` instance for `ParsecT` is used for the same purposes as the `Semigroup` instance. Since: parsec-3.1.12
Instance details Defined in Text.Parsec.Prim Methods mempty :: ParsecT s u m a Source # mappend :: ParsecT s u m a -> ParsecT s u m a -> ParsecT s u m a Source # mconcat :: [ParsecT s u m a] -> ParsecT s u m a Source #
(Monoid a, Monoid b, Monoid c, Monoid d, Monoid e) => Monoid (a, b, c, d, e)	Since: base-2.1
Instance details Defined in GHC.Base Methods mempty :: (a, b, c, d, e) Source # mappend :: (a, b, c, d, e) -> (a, b, c, d, e) -> (a, b, c, d, e) Source # mconcat :: [(a, b, c, d, e)] -> (a, b, c, d, e) Source #

newtype All Source #

Boolean monoid under conjunction (&&).

>>> getAll (All True <> mempty <> All False)
False

>>> getAll (mconcat (map (\x -> All (even x)) [2,4,6,7,8]))
False

Constructors

All
Fields getAll :: Bool

Instances

Bounded All
Instance details Defined in Data.Semigroup.Internal Methods minBound :: All Source # maxBound :: All Source #
Eq All
Instance details Defined in Data.Semigroup.Internal Methods (==) :: All -> All -> Bool # (/=) :: All -> All -> Bool #
Data All	Since: base-4.8.0.0
Instance details Defined in Data.Data Methods gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> All -> c All Source # gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c All Source # toConstr :: All -> Constr Source # dataTypeOf :: All -> DataType Source # dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c All) Source # dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c All) Source # gmapT :: (forall b. Data b => b -> b) -> All -> All Source # gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> All -> r Source # gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> All -> r Source # gmapQ :: (forall d. Data d => d -> u) -> All -> [u] Source # gmapQi :: Int -> (forall d. Data d => d -> u) -> All -> u Source # gmapM :: Monad m => (forall d. Data d => d -> m d) -> All -> m All Source # gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> All -> m All Source # gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> All -> m All Source #
Ord All
Instance details Defined in Data.Semigroup.Internal Methods compare :: All -> All -> Ordering # (<) :: All -> All -> Bool # (<=) :: All -> All -> Bool # (>) :: All -> All -> Bool # (>=) :: All -> All -> Bool # max :: All -> All -> All # min :: All -> All -> All #
Read All
Instance details Defined in Data.Semigroup.Internal Methods readsPrec :: Int -> ReadS All Source # readList :: ReadS [All] Source # readPrec :: ReadPrec All Source # readListPrec :: ReadPrec [All] Source #
Show All
Instance details Defined in Data.Semigroup.Internal Methods showsPrec :: Int -> All -> ShowS Source # show :: All -> String Source # showList :: [All] -> ShowS Source #
Generic All
Instance details Defined in Data.Semigroup.Internal Associated Types type Rep All :: * -> * Source # Methods from :: All -> Rep All x Source # to :: Rep All x -> All Source #
Semigroup All	Since: base-4.9.0.0
Instance details Defined in Data.Semigroup.Internal Methods (<>) :: All -> All -> All Source # sconcat :: NonEmpty All -> All Source # stimes :: Integral b => b -> All -> All Source #
Monoid All	Since: base-2.1
Instance details Defined in Data.Semigroup.Internal Methods mempty :: All Source # mappend :: All -> All -> All Source # mconcat :: [All] -> All Source #
NFData All	Since: deepseq-1.4.0.0
Instance details Defined in Control.DeepSeq Methods rnf :: All -> () Source #
Binary All	Since: 0.8.4.0
Instance details Defined in Data.Binary.Class Methods put :: All -> Put Source # get :: Get All Source # putList :: [All] -> Put Source #
type Rep All
Instance details Defined in Data.Semigroup.Internal type Rep All = D1 (MetaData "All" "Data.Semigroup.Internal" "base" True) (C1 (MetaCons "All" PrefixI True) (S1 (MetaSel (Just "getAll") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 Bool)))

newtype Any Source #

Boolean monoid under disjunction (||).

>>> getAny (Any True <> mempty <> Any False)
True

>>> getAny (mconcat (map (\x -> Any (even x)) [2,4,6,7,8]))
True

Constructors

Any
Fields getAny :: Bool

Instances

Bounded Any
Instance details Defined in Data.Semigroup.Internal Methods minBound :: Any Source # maxBound :: Any Source #
Eq Any
Instance details Defined in Data.Semigroup.Internal Methods (==) :: Any -> Any -> Bool # (/=) :: Any -> Any -> Bool #
Data Any	Since: base-4.8.0.0
Instance details Defined in Data.Data Methods gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> Any -> c Any Source # gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c Any Source # toConstr :: Any -> Constr Source # dataTypeOf :: Any -> DataType Source # dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c Any) Source # dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c Any) Source # gmapT :: (forall b. Data b => b -> b) -> Any -> Any Source # gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> Any -> r Source # gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> Any -> r Source # gmapQ :: (forall d. Data d => d -> u) -> Any -> [u] Source # gmapQi :: Int -> (forall d. Data d => d -> u) -> Any -> u Source # gmapM :: Monad m => (forall d. Data d => d -> m d) -> Any -> m Any Source # gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> Any -> m Any Source # gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> Any -> m Any Source #
Ord Any
Instance details Defined in Data.Semigroup.Internal Methods compare :: Any -> Any -> Ordering # (<) :: Any -> Any -> Bool # (<=) :: Any -> Any -> Bool # (>) :: Any -> Any -> Bool # (>=) :: Any -> Any -> Bool # max :: Any -> Any -> Any # min :: Any -> Any -> Any #
Read Any
Instance details Defined in Data.Semigroup.Internal Methods readsPrec :: Int -> ReadS Any Source # readList :: ReadS [Any] Source # readPrec :: ReadPrec Any Source # readListPrec :: ReadPrec [Any] Source #
Show Any
Instance details Defined in Data.Semigroup.Internal Methods showsPrec :: Int -> Any -> ShowS Source # show :: Any -> String Source # showList :: [Any] -> ShowS Source #
Generic Any
Instance details Defined in Data.Semigroup.Internal Associated Types type Rep Any :: * -> * Source # Methods from :: Any -> Rep Any x Source # to :: Rep Any x -> Any Source #
Semigroup Any	Since: base-4.9.0.0
Instance details Defined in Data.Semigroup.Internal Methods (<>) :: Any -> Any -> Any Source # sconcat :: NonEmpty Any -> Any Source # stimes :: Integral b => b -> Any -> Any Source #
Monoid Any	Since: base-2.1
Instance details Defined in Data.Semigroup.Internal Methods mempty :: Any Source # mappend :: Any -> Any -> Any Source # mconcat :: [Any] -> Any Source #
NFData Any	Since: deepseq-1.4.0.0
Instance details Defined in Control.DeepSeq Methods rnf :: Any -> () Source #
Binary Any	Since: 0.8.4.0
Instance details Defined in Data.Binary.Class Methods put :: Any -> Put Source # get :: Get Any Source # putList :: [Any] -> Put Source #
type Rep Any
Instance details Defined in Data.Semigroup.Internal type Rep Any = D1 (MetaData "Any" "Data.Semigroup.Internal" "base" True) (C1 (MetaCons "Any" PrefixI True) (S1 (MetaSel (Just "getAny") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 Bool)))

newtype Last' a Source #

Cabal's own Last copy to avoid requiring an orphan Binary instance.

Once the oldest binary version we support provides a Binary instance for Last we can remove this one here.

NB: Last is defined differently and not a Monoid

Constructors

Last'
Fields getLast' :: Maybe a

Instances

Functor Last' Source #
Instance details Defined in Distribution.Compat.Semigroup Methods fmap :: (a -> b) -> Last' a -> Last' b Source # (<$) :: a -> Last' b -> Last' a Source #
Applicative Last' Source #
Instance details Defined in Distribution.Compat.Semigroup Methods pure :: a -> Last' a Source # (<>) :: Last' (a -> b) -> Last' a -> Last' b Source # liftA2 :: (a -> b -> c) -> Last' a -> Last' b -> Last' c Source # (>) :: Last' a -> Last' b -> Last' b Source # (<*) :: Last' a -> Last' b -> Last' a Source #
Eq a => Eq (Last' a) Source #
Instance details Defined in Distribution.Compat.Semigroup Methods (==) :: Last' a -> Last' a -> Bool # (/=) :: Last' a -> Last' a -> Bool #
Ord a => Ord (Last' a) Source #
Instance details Defined in Distribution.Compat.Semigroup Methods compare :: Last' a -> Last' a -> Ordering # (<) :: Last' a -> Last' a -> Bool # (<=) :: Last' a -> Last' a -> Bool # (>) :: Last' a -> Last' a -> Bool # (>=) :: Last' a -> Last' a -> Bool # max :: Last' a -> Last' a -> Last' a # min :: Last' a -> Last' a -> Last' a #
Read a => Read (Last' a) Source #
Instance details Defined in Distribution.Compat.Semigroup Methods readsPrec :: Int -> ReadS (Last' a) Source # readList :: ReadS [Last' a] Source # readPrec :: ReadPrec (Last' a) Source # readListPrec :: ReadPrec [Last' a] Source #
Show a => Show (Last' a) Source #
Instance details Defined in Distribution.Compat.Semigroup Methods showsPrec :: Int -> Last' a -> ShowS Source # show :: Last' a -> String Source # showList :: [Last' a] -> ShowS Source #
Generic (Last' a) Source #
Instance details Defined in Distribution.Compat.Semigroup Associated Types type Rep (Last' a) :: * -> * Source # Methods from :: Last' a -> Rep (Last' a) x Source # to :: Rep (Last' a) x -> Last' a Source #
Semigroup (Last' a) Source #
Instance details Defined in Distribution.Compat.Semigroup Methods (<>) :: Last' a -> Last' a -> Last' a Source # sconcat :: NonEmpty (Last' a) -> Last' a Source # stimes :: Integral b => b -> Last' a -> Last' a Source #
Monoid (Last' a) Source #
Instance details Defined in Distribution.Compat.Semigroup Methods mempty :: Last' a Source # mappend :: Last' a -> Last' a -> Last' a Source # mconcat :: [Last' a] -> Last' a Source #
Binary a => Binary (Last' a) Source #
Instance details Defined in Distribution.Compat.Semigroup Methods put :: Last' a -> Put Source # get :: Get (Last' a) Source # putList :: [Last' a] -> Put Source #
type Rep (Last' a) Source #
Instance details Defined in Distribution.Compat.Semigroup type Rep (Last' a) = D1 (MetaData "Last'" "Distribution.Compat.Semigroup" "Cabal-2.2.0.1" True) (C1 (MetaCons "Last'" PrefixI True) (S1 (MetaSel (Just "getLast'") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Maybe a))))

gmappend :: (Generic a, GSemigroup (Rep a)) => a -> a -> a Source #

Generically generate a Semigroup (<>) operation for any type implementing Generic. This operation will append two values by point-wise appending their component fields. It is only defined for product types.

gmappend a (gmappend b c) = gmappend (gmappend a b) c

gmempty :: (Generic a, GMonoid (Rep a)) => a Source #

Generically generate a Monoid mempty for any product-like type implementing Generic.

It is only defined for product types.

gmappend gmempty a = a = gmappend a gmempty