Safe Haskell	Safe
Language	Haskell2010

Control.Concurrent.Cache

Synopsis

Documentation

Fetch data from a cache

Since: 0.1.0.0

Only fetch data if it has been cached.

Since: 0.2.1.0

Arguments

:: IO a	`Fetcher`, the function that returns the data which should be cached.
-> IO (CachedData a)

Create a cache which will execute an (IO ()) function on demand a maximum of 1 times.

Since: 0.2.0.0

Arguments

:: Int	`Timeout` in microseconds before the cache is erased
-> Bool	`resetTimerOnRead`, if true the timeout will be reset every time the cache is read, otherwise it will only be reset when the cached value is set.
-> IO a	`Fetcher`, the function that returns the data which should be cached. If `Timeout` is not set to zero, this function must be allowed to be called more than once.
-> IO (CachedData a)

Create a cache with a timeout from an (IO ()) function.

Since: 0.2.0.0

Arguments

:: a	`Variable` to hold.
-> CachedData a

Create a cache variable which simply holds a value with no actual caching at all.

Since: 0.2.2.2