Provide the ability to perform primitive state-transformer actions.
Instances2DispatchOf, StaticRep
type DispatchOf Prim = 'Static 'WithSideEffectsDefined in effectful-core-2.7.1.2 · Effectful.Internal.Monaddata StaticRep PrimPrim
Moduleeffectful-2.7.1.0GHC2021
Effectful.Prim.IORef
Lifted Data.IORef.
Note: it requires Prim because MutVar from the primitive library is a
generalization of IORef.
Synopsis
- data Prim
- value runPrim
- newtype IORef
- value newIORef
- value readIORef
- value writeIORef
- value modifyIORef
- value modifyIORef'
- value atomicModifyIORef
- value atomicModifyIORef'
- value atomicWriteIORef
- value mkWeakIORef
- Packageeffectful-2.7.1.0
- Exports12
- LanguageGHC2021
- LicenceBSD-3-Clause
- SourceIORef.hs
Effect
Handlers
Run an Eff computation with primitive state-transformer actions.
IORef
Lifted newIORef.
Lifted readIORef.
Lifted writeIORef.
Lifted modifyIORef.
Lifted modifyIORef'.
Lifted atomicModifyIORef.
Lifted atomicModifyIORef'.
Lifted atomicWriteIORef.
Lifted mkWeakIORef.
Note: the finalizer will run a cloned environment, so any changes it makes to thread local data will not be visible outside of it.