Safe Haskell	None
Language	Haskell2010

Arbor.LruCache

Documentation

lookup :: Ord k => k -> Cache k v -> IO v Source #

makeCache :: CacheConfig -> (k -> IO v) -> (k -> v -> IO ()) -> IO (Cache k v) Source #

Constructors

CacheConfig
Fields maxRequestsInFlight :: Int maxOccupancy :: Int

Instances

Eq CacheConfig Source #
Instance details Defined in Arbor.LruCache.Type Methods (==) :: CacheConfig -> CacheConfig -> Bool # (/=) :: CacheConfig -> CacheConfig -> Bool #
Show CacheConfig Source #
Instance details Defined in Arbor.LruCache.Type Methods showsPrec :: Int -> CacheConfig -> ShowS # show :: CacheConfig -> String # showList :: [CacheConfig] -> ShowS #
Generic CacheConfig Source #
Instance details Defined in Arbor.LruCache.Type Associated Types type Rep CacheConfig :: * -> * # Methods from :: CacheConfig -> Rep CacheConfig x # to :: Rep CacheConfig x -> CacheConfig #
type Rep CacheConfig Source #
Instance details Defined in Arbor.LruCache.Type type Rep CacheConfig = D1 (MetaData "CacheConfig" "Arbor.LruCache.Type" "arbor-lru-cache-0.1.1.0-C7a14k7SXkFAiyI8dwMdDV" False) (C1 (MetaCons "CacheConfig" PrefixI True) (S1 (MetaSel (Just "maxRequestsInFlight") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 Int) :*: S1 (MetaSel (Just "maxOccupancy") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 Int)))

Constructors

Cache
Fields config :: CacheConfig requestsInFlight :: TVar Int entries :: TVar (Map k (TVar (Maybe v))) evictionQueue :: TVar (PriorityQueue Int k) evictionPriority :: TVar Int occupancy :: TVar Int retrieve :: k -> IO v evict :: k -> v -> IO ()

Instances

Generic (Cache k v) Source #
Instance details Defined in Arbor.LruCache.Type Associated Types type Rep (Cache k v) :: * -> * # Methods from :: Cache k v -> Rep (Cache k v) x # to :: Rep (Cache k v) x -> Cache k v #
type Rep (Cache k v) Source #
Instance details Defined in Arbor.LruCache.Type type Rep (Cache k v) = D1 (MetaData "Cache" "Arbor.LruCache.Type" "arbor-lru-cache-0.1.1.0-C7a14k7SXkFAiyI8dwMdDV" False) (C1 (MetaCons "Cache" PrefixI True) (((S1 (MetaSel (Just "config") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 CacheConfig) :: S1 (MetaSel (Just "requestsInFlight") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (TVar Int))) :: (S1 (MetaSel (Just "entries") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (TVar (Map k (TVar (Maybe v))))) :: S1 (MetaSel (Just "evictionQueue") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (TVar (PriorityQueue Int k))))) :: ((S1 (MetaSel (Just "evictionPriority") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (TVar Int)) :: S1 (MetaSel (Just "occupancy") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (TVar Int))) :: (S1 (MetaSel (Just "retrieve") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (k -> IO v)) :*: S1 (MetaSel (Just "evict") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (k -> v -> IO ()))))))