-- Hoogle documentation, generated by Haddock
-- See Hoogle, http://www.haskell.org/hoogle/


-- | Use Accessor to access state in transformers State monad
--   
--   Use Accessor to access state in transformers State monad
@package data-accessor-transformers
@version 0.2


-- | Access helper functions in a State monad
module Data.Accessor.Monad.Trans.State
set :: (Monad m) => T r a -> a -> StateT r m ()
get :: (Monad m) => T r a -> StateT r m a
modify :: (Monad m) => T r a -> (a -> a) -> StateT r m ()

-- | Modify a record element and return its old value.
getAndModify :: (Monad m) => T r a -> (a -> a) -> StateT r m a

-- | Modify a record element and return its new value.
modifyAndGet :: (Monad m) => T r a -> (a -> a) -> StateT r m a

-- | Infix variant of <a>set</a>.
(%=) :: (Monad m) => T r a -> a -> StateT r m ()

-- | Infix variant of <a>modify</a>.
(%:) :: (Monad m) => T r a -> (a -> a) -> StateT r m ()
lift :: (Monad m) => T r s -> State s a -> StateT r m a
liftT :: (Monad m) => T r s -> StateT s m a -> StateT r m a