Control.Monad.HT

Documentation

untilM :: Monad m => (a -> Bool) -> m a -> m a

repeat action until result fulfills condition

iterateLimitM :: Monad m => Int -> (a -> m a) -> a -> m [a]

andLazy :: Monad m => m Bool -> m Bool -> m Bool

Lazy monadic conjunction. That is, when the first action returns False, then False is immediately returned, without running the second action.

orLazy :: Monad m => m Bool -> m Bool -> m Bool

Lazy monadic disjunction. That is, when the first action returns True, then True is immediately returned, without running the second action.