| unEff | Control.Effect |
| Unemb | |
| 1 (Type/Class) | Data.Effect |
| 2 (Data Constructor) | Data.Effect |
| unHCont | Data.Effect.HFunctor.HCont |
| Unit | Control.Monad.Hefty.Concurrent.Stream |
| UnliftBase | Control.Monad.Hefty.Unlift, Data.Effect, Data.Effect.Unlift |
| UnliftBaseLabel | Data.Effect |
| UnliftIO | Control.Monad.Hefty.Unlift, Data.Effect, Data.Effect.Unlift |
| unMachineryIO | Control.Monad.Hefty.Concurrent.Stream |
| unScopeC | Control.Monad.Hefty.Provider, Control.Monad.Hefty.Concurrent.Subprocess, Data.Effect.Provider |
| unScopeC_ | Control.Monad.Hefty.Provider, Control.Monad.Hefty.Concurrent.Subprocess, Data.Effect.Provider |
| unTag | Data.Effect.Tag |
| UpdateKV | Control.Monad.Hefty.KVStore, Data.Effect.KVStore |
| updateKV | Control.Monad.Hefty.KVStore, Data.Effect.KVStore |
| updateKV' | Control.Monad.Hefty.KVStore, Data.Effect.KVStore |
| updateKV'' | Control.Monad.Hefty.KVStore, Data.Effect.KVStore |
| updateKV'_ | Control.Monad.Hefty.KVStore, Data.Effect.KVStore |
| UseHandle | Control.Monad.Hefty.Concurrent.Subprocess |
| useProcessJobs | Control.Monad.Hefty.Concurrent.Subprocess |
| UserID | Control.Monad.Hefty.Concurrent.Subprocess |