úÎ } W   NoneA persistent version of the  monad. @Run a computation that uses persistent references, and return a : pure value. The rank-2 type offers similar guarantees to  . @Run a computation that uses persistent references, and return a : pure value. The rank-2 type offers similar guarantees to  .         .non-portable (requires rank-2 types for runST) experimentalacfoltzer@gmail.comNone       .non-portable (requires rank-2 types for runST) experimentalacfoltzer@gmail.comNone     persistent-refs-0.2Data.STRef.PersistentControl.Monad.ST.Persistent$Control.Monad.ST.Persistent.InternalControl.Monad.STSTrunSTref-fd-0.3.0.3Control.Monad.Ref modifyRefwriteRefreadRefnewRefMonadRefSTTrunSTTSTRef modifyRef'Heapheapnext emptyHeapnewSTRef readSTRef writeSTRef$fMonadRefSTRefSTT