Language.Haskell.Modules.Util.QIO

IO operations predicated on the verbosity value managed by the methods of MonadVerbosity. Noisily increases this value and quietly decreases it, and the q* operations only happen when the value is greater than zero.

Documentation

class MonadIO m => MonadVerbosity m where

Methods

getVerbosity :: m Int

putVerbosity :: Int -> m ()

Instances

MonadClean m => MonadVerbosity m

modifyVerbosity :: MonadVerbosity m => (Int -> Int) -> m ()

quietly :: MonadVerbosity m => m a -> m a

noisily :: MonadVerbosity m => m a -> m a

qIO :: MonadVerbosity m => m () -> m ()

qPutStr :: MonadVerbosity m => String -> m ()

qPutStrLn :: MonadVerbosity m => String -> m ()