| U | Control.Monad.Hefty, Data.Effect.OpenUnion |
| UL | Control.Monad.Hefty, Data.Effect.OpenUnion |
| unbundle | Control.Monad.Hefty |
| unbundleAll | Control.Monad.Hefty |
| unbundleAllH | Control.Monad.Hefty |
| unbundleAllUnion | Control.Monad.Hefty, Data.Effect.OpenUnion |
| unbundleAllUnionH | Control.Monad.Hefty, Data.Effect.OpenUnion |
| unbundleH | Control.Monad.Hefty |
| unbundleN | Control.Monad.Hefty |
| unbundleUnder | Control.Monad.Hefty |
| unbundleUnderH | Control.Monad.Hefty |
| unbundleUnion | Control.Monad.Hefty, Data.Effect.OpenUnion |
| unbundleUnionH | Control.Monad.Hefty, Data.Effect.OpenUnion |
| unbundleUnionUnder | Control.Monad.Hefty, Data.Effect.OpenUnion |
| unbundleUnionUnderH | Control.Monad.Hefty, Data.Effect.OpenUnion |
| unHCont | Data.Effect.HFunctor.HCont |
| Union | Control.Monad.Hefty, Data.Effect.OpenUnion |
| UnionH | Control.Monad.Hefty, Data.Effect.OpenUnion |
| unKey | Data.Effect.Key |
| unkey | Control.Monad.Hefty |
| unKeyH | Data.Effect.Key |
| unkeyH | Control.Monad.Hefty |
| UnliftBase | Data.Effect.Unlift |
| unliftFOE | |
| 1 (Function) | Data.Effect |
| 2 (Function) | Control.Monad.Hefty |
| UnliftIO | Data.Effect.Unlift |
| unMakeEffectConf | |
| 1 (Function) | Data.Effect.TH |
| 2 (Function) | Control.Monad.Hefty |
| unProviderBase | Control.Monad.Hefty.Provider |
| unShiftBase | Control.Monad.Hefty.ShiftReset |
| unTag | Data.Effect.Tag |
| untag | Control.Monad.Hefty |
| unTagH | Data.Effect.Tag |
| untagH | Control.Monad.Hefty |
| UpdateKV | Data.Effect.KVStore |
| updateKV | Data.Effect.KVStore |
| updateKV' | Data.Effect.KVStore |
| updateKV'' | Data.Effect.KVStore |