FRP.Rhine.Clock.Select

Documentation

data SelectClock cl a

A clock that selects certain subevents of type a, from the tag of a main clock.

Constructors

SelectClock

Fields

• mainClock :: cl

  The main clock | Return Nothing if no tick of the subclock is required, or 'Just a' if the subclock should tick, with tag a.

• select :: Tag cl -> Maybe a

Instances

(Monad m, Clock m cl) => Clock m (SelectClock cl a)

Associated Types

type TimeDomainOf (SelectClock cl a) :: *

type Tag (SelectClock cl a) :: *

Methods

startClock :: SelectClock cl a -> m (MSF m () (TimeDomainOf (SelectClock cl a), Tag (SelectClock cl a)), TimeDomainOf (SelectClock cl a))

type TimeDomainOf (SelectClock cl a)

type TimeDomainOf (SelectClock cl a) = TimeDomainOf cl

type Tag (SelectClock cl a)

type Tag (SelectClock cl a) = a

schedSelectClocks :: (Monad m, Monoid cl, Clock m cl) => Schedule m (SelectClock cl a) (SelectClock cl b)

A universal schedule for two subclocks of the same main clock. The main clock must be a monoid (e.g. a singleton).

filterS :: Monad m => MSF m () (Maybe b) -> MSF m () b

Helper function that runs an MSF with Maybe output until it returns a value.