yjtools-0.9.18: some tools for Monad, List, Tuple and so on.

Safe HaskellSafe-Inferred

Control.Monad.Tools

Documentation

ifM :: Monad m => m Bool -> m a -> m a -> m a

whenM :: Monad m => m Bool -> m () -> m ()

unlessM :: Monad m => m Bool -> m () -> m ()

doWhile_ :: Monad m => m Bool -> m ()

doWhile :: Monad m => a -> (a -> m (a, Bool)) -> m a

doUntil_ :: Monad m => m Bool -> m ()

doUntil :: Monad m => a -> (a -> m (a, Bool)) -> m a

for_ :: Monad m => a -> (a -> Bool) -> (a -> a) -> (a -> m b) -> m ()

for :: Monad m => a -> (a -> Bool) -> (a -> a) -> b -> (a -> b -> m b) -> m b

filterM :: Monad m => (a -> m Bool) -> [a] -> m [a]

repeatM :: Monad m => m a -> m [a]

repeatM_ :: Monad m => m a -> m ()

skipRet :: Monad m => m b -> a -> m a