TVar package:effectful
Shared memory locations that support atomic memory transactions.
Lifted
mkWeakTVar.
Note: the finalizer will run a cloned environment, so any
changes it makes to thread local data will not be visible outside of
it.
Mutate the contents of a
TVar.
N.B., this version is
non-strict.
Create a new
TVar holding a value supplied
Return the current value stored in a
TVar.
Swap the contents of a
TVar for a new value.
Write the supplied value into a
TVar.