Engine.Types.RefCounted

Documentation

data RefCounted

A RefCounted will perform the specified action when the count reaches 0

Constructors

RefCounted

Fields

• rcCount :: IORef Int
• rcAction :: IO ()

newRefCounted :: MonadIO m => IO () -> m RefCounted

Create a counter with a value of 1

releaseRefCounted :: MonadIO m => RefCounted -> m ()

Decrement the value, the action will be run promptly and in this thread if the counter reached 0.

takeRefCounted :: MonadIO m => RefCounted -> m ()

Increment the counter by 1

resourceTRefCount :: MonadResource f => RefCounted -> f ()

Hold a reference for the duration of the MonadResource action