Safe Haskell | Safe-Inferred |
---|---|
Language | Haskell2010 |
Documentation
class Semigroup a => Ringoid a where Source #
When providing a new instance, you should ensure it satisfies the two laws: * Left distributivity: x * (y + z) ≡ x * y + x * z * Right distributivity: (y + z) * x ≡ y * x + z * x