BishBosh.Property.Null

AUTHOR

Dr. Alistair Ward

DESCRIPTION

• An interface for data which can support the concept of being null.

Type-classes

class Null a where

Minimal complete definition

isNull

Methods

isNull

Arguments

:: a

-> Bool

Predicate, cf. null for a list.

Instances

Null (TurnsByLogicalColour turn)

Methods

isNull :: TurnsByLogicalColour turn -> Bool

Null (MoveFrequency move)

Methods

isNull :: MoveFrequency move -> Bool

Null (Game x y)

Methods

isNull :: Game x y -> Bool

Null (QualifiedMoveForest x y)

Methods

isNull :: QualifiedMoveForest x y -> Bool

Null (QuantifiedGame x y criterionValue weightedMean)

Methods

isNull :: QuantifiedGame x y criterionValue weightedMean -> Bool

Null (NodeLabel x y positionHash criterionValue weightedMean)

Methods

isNull :: NodeLabel x y positionHash criterionValue weightedMean -> Bool