Index - O
| offset | Data.Effect.OpenUnion |
| onExcept | Data.Effect.Except |
| onlyFOEs | Control.Effect.Transform |
| onlyPolys | Control.Effect.Transform |
| OpConf | |
| 1 (Type/Class) | Data.Effect.TH |
| 2 (Data Constructor) | Data.Effect.TH |
| opConf | Data.Effect.TH |
| OrderCase | Data.Effect |
| OrderOf | Data.Effect |
| Ordership | Data.Effect.OpenUnion |
| Output | |
| 1 (Type/Class) | Data.Effect.Output |
| 2 (Data Constructor) | Data.Effect.Output |
| output | Data.Effect.Output |
| output' | Data.Effect.Output |
| output'' | Data.Effect.Output |
| output'_ | Data.Effect.Output |
| OutputLabel | Data.Effect.Output |
| outputToYield | Data.Effect.Coroutine |