Control.Object.Semilattice

Documentation

class Infimum a where

When providing a new instance, you should ensure it satisfies the three laws:
* Associativity: x /\ (y /\ z) ≡ (x /\ y) /\ z
* Commutativity: x /\ y ≡ y /\ x
* Idempotency: x /\ x ≡ x

Minimal complete definition

(/\)

Methods

(/\) :: a -> a -> a

infimum :: a -> a -> a

class Supremum a where

When providing a new instance, you should ensure it satisfies the three laws:
* Associativity: x \/ (y \/ z) ≡ (x \/ y) \/ z
* Commutativity: x \/ y ≡ y \/ x
* Idempotency: x \/ x ≡ x

Minimal complete definition

(\/)

Methods

(\/) :: a -> a -> a

supremum :: a -> a -> a