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Queue

Synopsis

data Queue a emptyQ :: Queue a singletonQ :: a -> Queue a isEmptyQ :: Queue a -> Bool insertQ :: Queue a -> a -> Queue a removeQ :: Queue a -> Maybe (a, Queue a) insertAtEndQ :: Queue a -> a -> Queue a listToQueue :: [a] -> Queue a queueToList :: Queue a -> [a]

Documentation

data Queue a

emptyQ :: Queue a

singletonQ :: a -> Queue a

isEmptyQ :: Queue a -> Bool

insertQ :: Queue a -> a -> Queue a

removeQ :: Queue a -> Maybe (a, Queue a)

insertAtEndQ :: Queue a -> a -> Queue a

listToQueue :: [a] -> Queue a

Converts a list to a queue with the first element of the list the first element of the queue.

queueToList :: Queue a -> [a]

Inverts listToQueue

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