Documentation

This module defines a class for types with a default value. Instances are provided for '()', Set, Map, Int, Integer, Float, Double, and many others (see below).

class Default a whereSource

A class for types with a default value.

Methods

def :: aSource

The default value for this type.

Instances

Default Double
Default Float
Default Int
Default Integer
Default Ordering
Default ()
Default All
Default Any
Default IntSet
Default [a]
Integral a => Default (Ratio a)
Default a => Default (IO a)
Default a => Default (Dual a)
Default (Endo a)
Num a => Default (Sum a)
Num a => Default (Product a)
Default (First a)
Default (Last a)
Default (Maybe a)
Default a => Default (Tree a)
Default (Seq a)
Default (IntMap v)
Default (Set v)
Default (DList a)
Default r => Default (e -> r)
(Default a, Default b) => Default (a, b)
Default (Map k v)
(Default a, Default b, Default c) => Default (a, b, c)
(Default a, Default b, Default c, Default d) => Default (a, b, c, d)
(Default a, Default b, Default c, Default d, Default e) => Default (a, b, c, d, e)