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1. newTVar :: a -> STM (TVar a)

   stm	Control.Concurrent.STM.TVar

   No documentation available.

2. newTVarIO :: a -> IO (TVar a)

   stm	Control.Concurrent.STM.TVar

   No documentation available.

3. readTVar :: TVar a -> STM a

   stm	Control.Concurrent.STM.TVar

   No documentation available.

4. readTVarIO :: TVar a -> IO a

   stm	Control.Concurrent.STM.TVar

   No documentation available.

5. stateTVar :: TVar s -> (s -> (a, s)) -> STM a

   stm	Control.Concurrent.STM.TVar

   Like modifyTVar' but the function is a simple state transition that can return a side value which is passed on as the result of the STM.

6. swapTVar :: TVar a -> a -> STM a

   stm	Control.Concurrent.STM.TVar

   Swap the contents of a TVar for a new value.

7. writeTVar :: TVar a -> a -> STM ()

   stm	Control.Concurrent.STM.TVar

   No documentation available.

8. module Data.Primitive.MutVar

   Primitive boxed mutable variables. This is a generalization of Data.IORef, Data.STRef and Data.STRef.Lazy to work in any PrimMonad.

9. data MutVar s a

   primitive	Data.Primitive.MutVar

   A MutVar behaves like a single-element mutable array associated with a primitive state token.

10. MutVar :: MutVar# s a -> MutVar s a

    primitive	Data.Primitive.MutVar

    No documentation available.

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