checkers

Check properties on standard classes and data structures.

https://github.com/haskell-checkers/checkers

Version on this page:	0.6.0
LTS Haskell 23.27:	0.6.0@rev:1
Stackage Nightly 2025-07-08:	0.6.0@rev:1
Latest on Hackage:	0.6.0@rev:1

See all snapshots checkers appears in

BSD-3-Clause licensed by Conal Elliott

Maintained by [email protected]

This version can be pinned in stack with:checkers-0.6.0@sha256:765589cf3f792dc8498bd400d253e990f0d03f2e761445f7f036651fb8d391ff,2106

Module documentation for 0.6.0

Test
- Test.QuickCheck

Depends on 5 packages(full list with versions):

array, base, QuickCheck, random, semigroupoids

Used by 1 package in nightly-2022-12-08(full list with versions):

hspec-checkers

checkers is a library for reusable QuickCheck properties, particularly for standard type classes (class laws and class morphisms). Checkers also has lots of support for randomly generating data values (thanks to Thomas Davie).

Changes

0.6.0

Enhance traversable checks
Remove redundant constraint from instance CoArbitrary Array

0.5.7

Add bifoldable and bifoldableBifunctor tests
Restore verboseBatch functionality
Drop support for GHC < 8.2