truthful: Typeclass for truthfulness of values

[ data, library, public-domain ] [ Propose Tags ]

Typeclass for truthfulness or completeness of types such as Bool, Maybe, and Either. Similar to null from Foldable but for all kinds *.




Maintainer's Corner

Package maintainers

For package maintainers and hackage trustees


  • No Candidates
Versions [RSS],,
Dependencies base (>=4.8 && <5.0) [details]
License LicenseRef-PublicDomain
Copyright Copyright (C) 2015 David Farrell
Author David Farrell
Maintainer David Farrell <>
Category Data
Source repo head: git clone
Uploaded by Shockk at 2015-09-07T21:03:40Z
Distributions NixOS:
Reverse Dependencies 1 direct, 0 indirect [details]
Downloads 2007 total (15 in the last 30 days)
Rating (no votes yet) [estimated by Bayesian average]
Your Rating
  • λ
  • λ
  • λ
Status Docs available [build log]
Last success reported on 2015-10-20 [all 2 reports]