Documentation

This module defines a class for types with a default value. Instances are provided for '()', Set, Map, Int, Integer, Float, Double, Ratio, Maybe, '[]', '->' and IO.

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 ()
Default [a]
Integral a => Default (Ratio a)
Default a => Default (IO a)
Default (Maybe a)
Default (Set v)
Default r => Default (e -> r)
Default (Map k v)