Safe Haskell | Safe |
---|---|
Language | Haskell2010 |
Documentation
class Setoid a => Chain a where Source #
When providing a new instance, you should ensure it satisfies the three laws: * Reflexivity: x <= x ≡ True * Transitivity: x <= y && y <= z ≡ True ===> x <= z ≡ True * Antisymmetry: x <= y && y <= x ≡ True ===> x == y ≡ True
(<=>) :: a -> a -> Ordering Source #
(<) :: a -> a -> Boolean Source #
(<=) :: a -> a -> Boolean Source #