module Control.Concurrent.MVar.YC ( modifyMVarPure, writeMVar ) where import Control.Applicative () import Control.Concurrent.MVar (MVar, modifyMVar_) modifyMVarPure :: MVar a -> (a -> a) -> IO () modifyMVarPure mvar = modifyMVar_ mvar . fmap return writeMVar :: MVar a -> a -> IO () writeMVar mvar = modifyMVarPure mvar . const