Portability | portable |
---|---|
Stability | experimental |
Maintainer | leon at melding-monads dot com |
Documentation
class Monad q => MonadQueue e q | q -> e whereSource
Enqueue an element to a queue
Dequeue an element, returns Nothing
if the queue is empty.
deQs :: Integral maxlen => maxlen -> q [e]Source
Dequeue up to maxlen
elements.
Examines the front element of the queue without removing it.
peekQs :: Integral maxlen => maxlen -> q [e]Source
Examines up to maxlen
elements of the queue without removing them.
peekQn :: Integral index => index -> q (Maybe e)Source
Examines the element currently at position index
, indexing starts at 0
.
lenQ :: Integral len => q lenSource
Returns the current length of the queue
MonadQueue e (Q e) | |
MonadQueue e (Q w e) |