Control.Concurrent.STM.TVar.WriteOnly

Documentation

data WriteOnlyTVar a

Instances

Contravariant WriteOnlyTVar

Methods

contramap :: (a -> b) -> WriteOnlyTVar b -> WriteOnlyTVar a

(>$) :: b -> WriteOnlyTVar b -> WriteOnlyTVar a

toWriteOnlyTVar :: TVar a -> WriteOnlyTVar a

writeTVar :: WriteOnlyTVar a -> a -> STM ()