| unGetTBQueue | |
| 1 (Function) | Control.Monad.Class.MonadSTM.Internal, Control.Concurrent.Class.MonadSTM.TBQueue, Control.Concurrent.Class.MonadSTM |
| 2 (Function) | Control.Concurrent.Class.MonadSTM.Strict.TBQueue, Control.Concurrent.Class.MonadSTM.Strict |
| unGetTBQueueDefault | Control.Monad.Class.MonadSTM.Internal |
| unGetTChan | |
| 1 (Function) | Control.Monad.Class.MonadSTM.Internal, Control.Concurrent.Class.MonadSTM.TChan, Control.Concurrent.Class.MonadSTM |
| 2 (Function) | Control.Concurrent.Class.MonadSTM.Strict.TChan, Control.Concurrent.Class.MonadSTM.Strict |
| unGetTChanDefault | Control.Monad.Class.MonadSTM.Internal |
| unGetTQueue | |
| 1 (Function) | Control.Monad.Class.MonadSTM.Internal, Control.Concurrent.Class.MonadSTM.TQueue, Control.Concurrent.Class.MonadSTM |
| 2 (Function) | Control.Concurrent.Class.MonadSTM.Strict.TQueue, Control.Concurrent.Class.MonadSTM.Strict |
| unGetTQueueDefault | Control.Monad.Class.MonadSTM.Internal |
| uninterruptibleCancel | Control.Monad.Class.MonadAsync |
| uninterruptibleMask | Control.Monad.Class.MonadThrow |
| uninterruptibleMask_ | Control.Monad.Class.MonadThrow |
| Unique | |
| 1 (Type/Class) | Control.Monad.Class.MonadUnique |
| 2 (Type/Class) | Control.Monad.IOSim |
| UniqueFor | Control.Monad.Class.MonadUnique |
| Unmasked | Control.Monad.Class.MonadThrow |
| unMkUniqueFor | Control.Monad.Class.MonadUnique |
| unshareClock | Control.Monad.IOSim |
| UTCTime | Control.Monad.Class.MonadTime, Control.Monad.Class.MonadTime.SI |