Safe Haskell	None
Language	Haskell2010

Polysemy.Random

Contents

Synopsis

data Random m a where
- Random :: Random x => Random m x
- RandomR :: Random x => (x, x) -> Random m x
random :: forall r a. (Member Random r, Random a) => Sem r a
randomR :: forall r a. (Member Random r, Random a) => (a, a) -> Sem r a
runRandom :: forall q r a. RandomGen q => q -> Sem (Random ': r) a -> Sem r (q, a)
runRandomIO :: Member (Lift IO) r => Sem (Random ': r) a -> Sem r a

Effect

data Random m a where Source #

An effect capable of providing Random values.

Constructors

Random :: Random x => Random m x
RandomR :: Random x => (x, x) -> Random m x

Instances

type DefiningModule (Random :: k -> Type -> Type) Source #
Instance details Defined in Polysemy.Random type DefiningModule (Random :: k -> Type -> Type) = "Polysemy.Random"

Actions

random :: forall r a. (Member Random r, Random a) => Sem r a Source #

randomR :: forall r a. (Member Random r, Random a) => (a, a) -> Sem r a Source #

runRandom :: forall q r a. RandomGen q => q -> Sem (Random ': r) a -> Sem r (q, a) Source #

Run a Random effect with an explicit RandomGen.

Run a Random effect by using the IO random generator.