Index - O
| odd | CustomPrelude |
| on | CustomPrelude |
| oo | CustomPrelude |
| ooo | CustomPrelude |
| oooo | CustomPrelude |
| or | CustomPrelude |
| Ord | CustomPrelude |
| Ordering | CustomPrelude |
| otherwise | CustomPrelude |
custom-prelude-0.2.1.0: My own custom prelude, based off Snoyman's basic-prelude