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 Source #

A class for types with a default value.

Methods

def :: a Source #

The default value for this type.

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

The default value for this type.

Instances

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