Craft3e-0.2.0.1: Code for Haskell: the Craft of Functional Programming, 3rd ed.
Safe HaskellSafe-Inferred
LanguageHaskell2010

QueueState

Documentation

data QueueState Source #

Instances

Instances details
Show QueueState Source # 
Instance details

Defined in QueueState

Methods

showsPrec :: Int -> QueueState -> ShowS #

show :: QueueState -> String #

showList :: [QueueState] -> ShowS #

Eq QueueState Source # 
Instance details

Defined in QueueState

Methods

(==) :: QueueState -> QueueState -> Bool #

(/=) :: QueueState -> QueueState -> Bool #

addMessage :: Inmess -> QueueState -> QueueState Source #

queueStep :: QueueState -> (QueueState, [Outmess]) Source #

queueStart :: QueueState Source #

queueLength :: QueueState -> Int Source #

queueEmpty :: QueueState -> Bool Source #