Safe Haskell	Safe-Inferred
Language	Haskell2010

Polysemy.Conc.SyncRead

Description

Synopsis

whileEmpty :: forall a r. Member (SyncRead a) r => Sem r () -> Sem r ()
whileEmptyInterval :: forall a u t d r. TimeUnit u => Members [Time t d, SyncRead a] r => u -> Sem r () -> Sem r ()
data SyncRead (d :: Type) :: Effect

Documentation

whileEmpty :: forall a r. Member (SyncRead a) r => Sem r () -> Sem r () Source #

Run an action repeatedly until the SyncRead variable is available.

whileEmptyInterval :: forall a u t d r. TimeUnit u => Members [Time t d, SyncRead a] r => u -> Sem r () -> Sem r () Source #

Run an action repeatedly until the SyncRead variable is available, waiting for the specified time between executions.

An interface to a shared variable (MVar) that can only be read.