Safe Haskell	Safe
Language	Haskell98

Data.Default.Class

Synopsis

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.

Methods

def :: a #

The default value for this type.

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

The default value for this type.

Instances

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