Documentation

data Ring a Source

makeRing :: [a] -> Maybe (Ring a) Source

advance :: Ring a -> Ring a Source

advance1 :: Ring a -> Either a (Ring a) Source

dropItem :: Eq a => Ring a -> a -> Maybe (Ring a) Source

dropItem1 :: Eq a => Ring a -> a -> Either a (Ring a) Source

toList :: Ring a -> [a] Source

nextItem :: Ring a -> a Source

ringSize :: Ring a -> Int Source

currentItem :: Ring a -> a Source