Pha.Random

type Random = Free RandomF

randomNumber :: Random Number

generate a random number in the range [0, 1)

randomInt :: Int -> Random Int

generate a random integer in the range [0, n - 1]

randomBool :: Random Boolean

generate a random boolean

shuffle :: forall a. Array a -> Random (Array a)

randomly shuffle an array

sample :: forall a. Array a -> Random (Maybe a)

randomly select an element from the array

data RandomF a

Constructors

• RandomInt Int (Int -> a)
• RandomNumber (Number -> a)

Instances

• Functor RandomF