The void package

[Tags:bsd3, library]

A Haskell 98 logically uninhabited data type, used to indicate that a given term should not exist.

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Versions 0.1, 0.2, 0.3, 0.4, 0.5.0, 0.5.1, 0.5.2, 0.5.3, 0.5.4,,,, 0.5.5,, 0.5.6, 0.5.7, 0.5.8, 0.5.10, 0.5.11, 0.5.12, 0.6, 0.6.1, 0.7, 0.7.1
Change log CHANGELOG.markdown
Dependencies base (>=3 && <10), deepseq (>=1.1 && <1.5), ghc-prim, hashable (>=1.1), semigroups (>=0.8.2) [details]
License BSD3
Copyright Copyright (C) 2008-2015 Edward A. Kmett
Author Edward A. Kmett
Maintainer Edward A. Kmett <>
Stability portable
Category Data Structures
Home page
Bug tracker
Source repository head: git clone git://
Uploaded Sun Sep 13 18:16:23 UTC 2015 by EdwardKmett
Distributions Arch:0.7.1, Debian:0.7.1, Fedora:0.7.1, FreeBSD:0.7, LTSHaskell:0.7.1, NixOS:0.7.1, Stackage:0.7.1, Tumbleweed:0.7.1
Downloads 187680 total (86 in the last 30 days)
1 []
Status Docs uploaded by user
Build status unknown [no reports yet]





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Maintainer's Corner

For package maintainers and hackage trustees

Readme for void

Readme for void-0.7.1


Hackage Build Status

This package provides a canonical 'uninhabited' data type for Haskell. This arises in a surprisingly wide array of situations in practice.

Contact Information

Contributions and bug reports are welcome!

Please feel free to contact me through github or on the #haskell IRC channel on

-Edward Kmett