Standard test spec for properties of Monoid instances for valid values
Example usage:
monoidSpec @[Int]:: a typeCtrl KGHC 9.14.1 · lts/ghc-9.14.x · 45dd537 · 2026-10-11
Modulegenvalidity-sydtest-1.0.1.0Haskell2010
Monoid properties
You will need TypeApplications to use these.
Standard test spec for properties of Monoid instances for valid values
Example usage:
monoidSpec @[Int]monoidSpecOnArbitrary :: (Show a, Eq a, Monoid a, Typeable a, Arbitrary a) => TestDef outers ()Standard test spec for properties of Monoid instances for arbitrary values
Example usage:
monoidSpecOnArbitrary @[Int]Standard test spec for properties of Monoid instances for values generated by a given generator (and name for that generator).
Example usage:
monoidSpecOnGen (pure "a") "singleton list of 'a'"