Index - O
| Object | Import |
| object | Import |
| odd | Import |
| OffsetBy | Import |
| olOptions | Import |
| olReadExternal | Import |
| onMethod | Import |
| onStatic | Import |
| OpenSearchR | Foundation, Import |
| Option | |
| 1 (Type/Class) | Import |
| 2 (Data Constructor) | Import |
| optionDisplay | Import |
| optionExternalValue | Import |
| optionInternalValue | Import |
| OptionList | |
| 1 (Type/Class) | Import |
| 2 (Data Constructor) | Import |
| optionsEnum | Import |
| optionsPairs | Import |
| optionsPersist | Import |
| or | Import |
| Ord | Import |
| Ordering | Import |
| otherwise | Import |