Colours

Description

From "Get Programming with Haskell" by Will Kurt, Lesson 17. Design by composition—Semigroups and Monoids

Synopsis

Documentation

Acceptable colours.

Constructors

Instances details

Arbitrary Colour Source #	Declare QuickCheck generator for Colour.
Instance details Defined in Colours Methods arbitrary :: Gen Colour # shrink :: Colour -> [Colour] #
Semigroup Colour Source #	Example semigroup with a Colour.
Instance details Defined in Colours Methods (<>) :: Colour -> Colour -> Colour # sconcat :: NonEmpty Colour -> Colour # stimes :: Integral b => b -> Colour -> Colour #
Bounded Colour Source #
Instance details Defined in Colours Methods minBound :: Colour # maxBound :: Colour #
Enum Colour Source #
Instance details Defined in Colours Methods succ :: Colour -> Colour # pred :: Colour -> Colour # toEnum :: Int -> Colour # fromEnum :: Colour -> Int # enumFrom :: Colour -> [Colour] # enumFromThen :: Colour -> Colour -> [Colour] # enumFromTo :: Colour -> Colour -> [Colour] # enumFromThenTo :: Colour -> Colour -> Colour -> [Colour] #
Show Colour Source #
Instance details Defined in Colours Methods showsPrec :: Int -> Colour -> ShowS # show :: Colour -> String # showList :: [Colour] -> ShowS #
Eq Colour Source #
Instance details Defined in Colours Methods (==) :: Colour -> Colour -> Bool # (/=) :: Colour -> Colour -> Bool #