Copyright	(C) Frank Staals
License	see the LICENSE file
Maintainer	Frank Staals
Safe Haskell	None
Language	Haskell2010

Data.Geometry.Directions

Description

Synopsis

data CardinalDirection
- = North
- | East
- | South
- | West
oppositeDirection :: CardinalDirection -> CardinalDirection
data InterCardinalDirection
- = NorthWest
- | NorthEast
- | SouthEast
- | SouthWest
interCardinalsOf :: CardinalDirection -> Two InterCardinalDirection

Documentation

data CardinalDirection Source #

The four cardinal directions.

Constructors

North
East
South
West

Instances

Instances details

Bounded CardinalDirection Source #
Instance details Defined in Data.Geometry.Directions Methods minBound :: CardinalDirection # maxBound :: CardinalDirection #
Enum CardinalDirection Source #
Instance details Defined in Data.Geometry.Directions Methods succ :: CardinalDirection -> CardinalDirection # pred :: CardinalDirection -> CardinalDirection # toEnum :: Int -> CardinalDirection # fromEnum :: CardinalDirection -> Int # enumFrom :: CardinalDirection -> [CardinalDirection] # enumFromThen :: CardinalDirection -> CardinalDirection -> [CardinalDirection] # enumFromTo :: CardinalDirection -> CardinalDirection -> [CardinalDirection] # enumFromThenTo :: CardinalDirection -> CardinalDirection -> CardinalDirection -> [CardinalDirection] #
Eq CardinalDirection Source #
Instance details Defined in Data.Geometry.Directions Methods (==) :: CardinalDirection -> CardinalDirection -> Bool # (/=) :: CardinalDirection -> CardinalDirection -> Bool #
Ord CardinalDirection Source #
Instance details Defined in Data.Geometry.Directions Methods compare :: CardinalDirection -> CardinalDirection -> Ordering # (<) :: CardinalDirection -> CardinalDirection -> Bool # (<=) :: CardinalDirection -> CardinalDirection -> Bool # (>) :: CardinalDirection -> CardinalDirection -> Bool # (>=) :: CardinalDirection -> CardinalDirection -> Bool # max :: CardinalDirection -> CardinalDirection -> CardinalDirection # min :: CardinalDirection -> CardinalDirection -> CardinalDirection #
Read CardinalDirection Source #
Instance details Defined in Data.Geometry.Directions Methods readsPrec :: Int -> ReadS CardinalDirection # readList :: ReadS [CardinalDirection] # readPrec :: ReadPrec CardinalDirection # readListPrec :: ReadPrec [CardinalDirection] #
Show CardinalDirection Source #
Instance details Defined in Data.Geometry.Directions Methods showsPrec :: Int -> CardinalDirection -> ShowS # show :: CardinalDirection -> String # showList :: [CardinalDirection] -> ShowS #

oppositeDirection :: CardinalDirection -> CardinalDirection Source #

Computes the direction opposite to the given one.

data InterCardinalDirection Source #

Intercardinal directions

Constructors

NorthWest
NorthEast
SouthEast
SouthWest

Instances

Instances details

Enum InterCardinalDirection Source #
Instance details Defined in Data.Geometry.Directions Methods succ :: InterCardinalDirection -> InterCardinalDirection # pred :: InterCardinalDirection -> InterCardinalDirection # toEnum :: Int -> InterCardinalDirection # fromEnum :: InterCardinalDirection -> Int # enumFrom :: InterCardinalDirection -> [InterCardinalDirection] # enumFromThen :: InterCardinalDirection -> InterCardinalDirection -> [InterCardinalDirection] # enumFromTo :: InterCardinalDirection -> InterCardinalDirection -> [InterCardinalDirection] # enumFromThenTo :: InterCardinalDirection -> InterCardinalDirection -> InterCardinalDirection -> [InterCardinalDirection] #
Eq InterCardinalDirection Source #
Instance details Defined in Data.Geometry.Directions Methods (==) :: InterCardinalDirection -> InterCardinalDirection -> Bool # (/=) :: InterCardinalDirection -> InterCardinalDirection -> Bool #
Ord InterCardinalDirection Source #
Instance details Defined in Data.Geometry.Directions Methods compare :: InterCardinalDirection -> InterCardinalDirection -> Ordering # (<) :: InterCardinalDirection -> InterCardinalDirection -> Bool # (<=) :: InterCardinalDirection -> InterCardinalDirection -> Bool # (>) :: InterCardinalDirection -> InterCardinalDirection -> Bool # (>=) :: InterCardinalDirection -> InterCardinalDirection -> Bool # max :: InterCardinalDirection -> InterCardinalDirection -> InterCardinalDirection # min :: InterCardinalDirection -> InterCardinalDirection -> InterCardinalDirection #
Read InterCardinalDirection Source #
Instance details Defined in Data.Geometry.Directions Methods readsPrec :: Int -> ReadS InterCardinalDirection # readList :: ReadS [InterCardinalDirection] # readPrec :: ReadPrec InterCardinalDirection # readListPrec :: ReadPrec [InterCardinalDirection] #
Show InterCardinalDirection Source #
Instance details Defined in Data.Geometry.Directions Methods showsPrec :: Int -> InterCardinalDirection -> ShowS # show :: InterCardinalDirection -> String # showList :: [InterCardinalDirection] -> ShowS #
Generic InterCardinalDirection Source #
Instance details Defined in Data.Geometry.Directions Associated Types type Rep InterCardinalDirection :: Type -> Type # Methods from :: InterCardinalDirection -> Rep InterCardinalDirection x # to :: Rep InterCardinalDirection x -> InterCardinalDirection #
type Rep InterCardinalDirection Source #
Instance details Defined in Data.Geometry.Directions type Rep InterCardinalDirection = D1 ('MetaData "InterCardinalDirection" "Data.Geometry.Directions" "hgeometry-0.12.0.1-744QXwUb5uS54emseMX1Co" 'False) ((C1 ('MetaCons "NorthWest" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "NorthEast" 'PrefixI 'False) (U1 :: Type -> Type)) :+: (C1 ('MetaCons "SouthEast" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "SouthWest" 'PrefixI 'False) (U1 :: Type -> Type)))

interCardinalsOf :: CardinalDirection -> Two InterCardinalDirection Source #

Get the two intercardinal directions, in increasing order, corresponding to the cardinal direction.