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 Source #

A class for types with a default value.

Minimal complete definition

Nothing

Methods

def :: a Source #

The default value for this type.

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

Instances

Instances details

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