ArrayRef-0.1.3: Unboxed references, dynamic arrays and more Source code Contents Index

Data.HasDefaultValue Portability portable Stability experimental Maintainer Bulat Ziganshin <Bulat.Ziganshin@gmail.com>

Description

Class HasDefaultValue allows to declare type's default value

Synopsis

class HasDefaultValue a where defaultValue :: a

Documentation

class HasDefaultValue a where Source

Types that has default value Methods defaultValue :: a Source Instances HasDefaultValue Bool HasDefaultValue Char HasDefaultValue Double HasDefaultValue Float HasDefaultValue Int HasDefaultValue Int8 HasDefaultValue Int16 HasDefaultValue Int32 HasDefaultValue Int64 HasDefaultValue Word HasDefaultValue Word8 HasDefaultValue Word16 HasDefaultValue Word32 HasDefaultValue Word64 HasDefaultValue (StablePtr a) HasDefaultValue (Ptr a) HasDefaultValue (FunPtr a)

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