Safe Haskell	Safe-Inferred
Language	Haskell98

Data.Default.Class

Synopsis

class Default a where
- def :: a

Documentation

This module defines a class for types with a default value. It also defines Default instances for the types Int, Int8, Int16, Int32, Int64, Word, Word8, Word16, Word32, Word64, Integer, Float, Double, Ratio, Complex, CShort, CUShort, CInt, CUInt, CLong, CULong, CLLong, CULLong, CPtrdiff, CSize, CSigAtomic, CIntPtr, CUIntPtr, CIntMax, CUIntMax, CClock, CTime, CUSeconds, CSUSeconds, CFloat, CDouble, (->), IO, Maybe, (), '[]', Ordering, Any, All, Last, First, Sum, Product, Endo, Dual, and tuples.

class Default a where #

A class for types with a default value.

Minimal complete definition

Nothing

Methods

def :: a #

The default value for this type.

default def :: (Generic a, GDefault (Rep a)) => a #

Instances

Instances details

Default Double #
Instance details Defined in Data.Default.Class Methods def :: Double #
Default Float #
Instance details Defined in Data.Default.Class Methods def :: Float #
Default Int #
Instance details Defined in Data.Default.Class Methods def :: Int #
Default Int8 #
Instance details Defined in Data.Default.Class Methods def :: Int8 #
Default Int16 #
Instance details Defined in Data.Default.Class Methods def :: Int16 #
Default Int32 #
Instance details Defined in Data.Default.Class Methods def :: Int32 #
Default Int64 #
Instance details Defined in Data.Default.Class Methods def :: Int64 #
Default Integer #
Instance details Defined in Data.Default.Class Methods def :: Integer #
Default Ordering #
Instance details Defined in Data.Default.Class Methods def :: Ordering #
Default Word #
Instance details Defined in Data.Default.Class Methods def :: Word #
Default Word8 #
Instance details Defined in Data.Default.Class Methods def :: Word8 #
Default Word16 #
Instance details Defined in Data.Default.Class Methods def :: Word16 #
Default Word32 #
Instance details Defined in Data.Default.Class Methods def :: Word32 #
Default Word64 #
Instance details Defined in Data.Default.Class Methods def :: Word64 #
Default () #
Instance details Defined in Data.Default.Class Methods def :: () #
Default All #
Instance details Defined in Data.Default.Class Methods def :: All #
Default Any #
Instance details Defined in Data.Default.Class Methods def :: Any #
Default CShort #
Instance details Defined in Data.Default.Class Methods def :: CShort #
Default CUShort #
Instance details Defined in Data.Default.Class Methods def :: CUShort #
Default CInt #
Instance details Defined in Data.Default.Class Methods def :: CInt #
Default CUInt #
Instance details Defined in Data.Default.Class Methods def :: CUInt #
Default CLong #
Instance details Defined in Data.Default.Class Methods def :: CLong #
Default CULong #
Instance details Defined in Data.Default.Class Methods def :: CULong #
Default CLLong #
Instance details Defined in Data.Default.Class Methods def :: CLLong #
Default CULLong #
Instance details Defined in Data.Default.Class Methods def :: CULLong #
Default CFloat #
Instance details Defined in Data.Default.Class Methods def :: CFloat #
Default CDouble #
Instance details Defined in Data.Default.Class Methods def :: CDouble #
Default CPtrdiff #
Instance details Defined in Data.Default.Class Methods def :: CPtrdiff #
Default CSize #
Instance details Defined in Data.Default.Class Methods def :: CSize #
Default CSigAtomic #
Instance details Defined in Data.Default.Class Methods def :: CSigAtomic #
Default CClock #
Instance details Defined in Data.Default.Class Methods def :: CClock #
Default CTime #
Instance details Defined in Data.Default.Class Methods def :: CTime #
Default CUSeconds #
Instance details Defined in Data.Default.Class Methods def :: CUSeconds #
Default CSUSeconds #
Instance details Defined in Data.Default.Class Methods def :: CSUSeconds #
Default CIntPtr #
Instance details Defined in Data.Default.Class Methods def :: CIntPtr #
Default CUIntPtr #
Instance details Defined in Data.Default.Class Methods def :: CUIntPtr #
Default CIntMax #
Instance details Defined in Data.Default.Class Methods def :: CIntMax #
Default CUIntMax #
Instance details Defined in Data.Default.Class Methods def :: CUIntMax #
Default [a] #
Instance details Defined in Data.Default.Class Methods def :: [a] #
Default (Maybe a) #
Instance details Defined in Data.Default.Class Methods def :: Maybe a #
Integral a => Default (Ratio a) #
Instance details Defined in Data.Default.Class Methods def :: Ratio a #
Default a => Default (IO a) #
Instance details Defined in Data.Default.Class Methods def :: IO a #
(Default a, RealFloat a) => Default (Complex a) #
Instance details Defined in Data.Default.Class Methods def :: Complex a #
Default (First a) #
Instance details Defined in Data.Default.Class Methods def :: First a #
Default (Last a) #
Instance details Defined in Data.Default.Class Methods def :: Last a #
Default a => Default (Dual a) #
Instance details Defined in Data.Default.Class Methods def :: Dual a #
Default (Endo a) #
Instance details Defined in Data.Default.Class Methods def :: Endo a #
Num a => Default (Sum a) #
Instance details Defined in Data.Default.Class Methods def :: Sum a #
Num a => Default (Product a) #
Instance details Defined in Data.Default.Class Methods def :: Product a #
Default r => Default (e -> r) #
Instance details Defined in Data.Default.Class Methods def :: e -> r #
(Default a, Default b) => Default (a, b) #
Instance details Defined in Data.Default.Class Methods def :: (a, b) #
(Default a, Default b, Default c) => Default (a, b, c) #
Instance details Defined in Data.Default.Class Methods def :: (a, b, c) #
(Default a, Default b, Default c, Default d) => Default (a, b, c, d) #
Instance details Defined in Data.Default.Class Methods def :: (a, b, c, d) #
(Default a, Default b, Default c, Default d, Default e) => Default (a, b, c, d, e) #
Instance details Defined in Data.Default.Class Methods def :: (a, b, c, d, e) #
(Default a, Default b, Default c, Default d, Default e, Default f) => Default (a, b, c, d, e, f) #
Instance details Defined in Data.Default.Class Methods def :: (a, b, c, d, e, f) #
(Default a, Default b, Default c, Default d, Default e, Default f, Default g) => Default (a, b, c, d, e, f, g) #
Instance details Defined in Data.Default.Class Methods def :: (a, b, c, d, e, f, g) #