Index - U
| UndefinedElement | Effectful.Exception |
| Underflow | Effectful.Exception |
| unEff | Effectful.Dispatch.Static |
| unGetTBQueue | Effectful.Concurrent.STM |
| unGetTChan | Effectful.Concurrent.STM |
| unGetTQueue | Effectful.Concurrent.STM |
| uninterruptibleCancel | Effectful.Concurrent.Async |
| uninterruptibleMask | Effectful.Exception |
| uninterruptibleMask_ | Effectful.Exception |
| UnliftStrategy | Effectful |
| unliftStrategy | Effectful |
| Unlimited | Effectful |
| Unmasked | Effectful.Exception |
| unsafeConcUnliftIO | Effectful.Dispatch.Static |
| unsafeEff | Effectful.Dispatch.Static |
| unsafeEff_ | Effectful.Dispatch.Static |
| unsafeLiftMapIO | Effectful.Dispatch.Static |
| unsafeSeqUnliftIO | Effectful.Dispatch.Static |
| unsetEnv | Effectful.Environment |
| UseHandle | Effectful.Process |
| UserInterrupt | Effectful.Exception |
| use_process_jobs | Effectful.Process |