Index - O
| o | Semigroupoid | 
| Object | |
| 1 (Type/Class) | Json.Encode | 
| 2 (Data Constructor) | Json, Json.Decode, Json.Encode | 
| object | Json.Encode | 
| objectName | Debug | 
| observeAll | Logic | 
| observeAllT | Logic | 
| observeE | FRP | 
| observeManyT | Logic | 
| observeT | Logic | 
| observing | Parser.Binary, Parser.Text | 
| Occur | MultiSet | 
| occur | |
| 1 (Function) | MultiSet.Int | 
| 2 (Function) | MultiSet | 
| octDigitChar | |
| 1 (Function) | Parser.Binary | 
| 2 (Function) | Parser.Text | 
| odd | Num.Integral, Mitchell.Prelude | 
| on | Function | 
| once | |
| 1 (Function) | IO | 
| 2 (Function) | Logic | 
| onceFork | IO | 
| one | Num.Approximate | 
| oneOf | Parser.Binary, Parser.Text | 
| onException | Exception | 
| only | Optic.Prism | 
| OOBInline | Socket | 
| Op | |
| 1 (Type/Class) | Function | 
| 2 (Data Constructor) | Function | 
| openFileBlocking | File.Text | 
| OpenPunctuation | Char | 
| Option | |
| 1 (Data Constructor) | FRP, Maybe | 
| 2 (Type/Class) | FRP, Maybe | 
| option | |
| 1 (Function) | FRP, Maybe | 
| 2 (Function) | Parser.Binary, Parser.Text | 
| 3 (Function) | Parser.Cli | 
| optional | |
| 1 (Function) | FRP, Parser.Binary, Parser.Cli, Parser.Text | 
| 2 (Function) | Applicative, Mitchell.Prelude | 
| OptionFields | Parser.Cli | 
| or | |
| 1 (Function) | Foldable, Mitchell.Prelude | 
| 2 (Function) | Foldl | 
| 3 (Function) | Vector.Unboxed | 
| 4 (Function) | Vector.Storable | 
| 5 (Function) | Vector | 
| 6 (Function) | Vector.Generic | 
| Ord | Ord, Mitchell.Prelude | 
| ord | Char | 
| Ord1 | Ord | 
| Ord2 | Ord | 
| Order | |
| 1 (Data Constructor) | Semilattice | 
| 2 (Type/Class) | Semilattice | 
| order | Graph.Inductive | 
| Ordering | Ord, Mitchell.Prelude | 
| OrdGr | |
| 1 (Data Constructor) | Graph.Inductive | 
| 2 (Type/Class) | Graph.Inductive | 
| OrdPSQ | Queue.Prio.Ord | 
| original | CaseInsensitive | 
| orOf | Optic.Fold | 
| os | System | 
| OtherLetter | Char | 
| OtherNumber | Char | 
| OtherPunctuation | Char | 
| OtherSymbol | Char | 
| otherwise | Bool, Mitchell.Prelude | 
| out | Graph.Inductive | 
| out' | Graph.Inductive | 
| OutChan | Concurrency.Chan | 
| outdeg | Graph.Inductive | 
| outdeg' | Graph.Inductive | 
| outdegree | Graph.Adjacency | 
| outer | Equality | 
| over | Optic.Setter, Mitchell.Prelude | 
| overFailure | Parser.Cli | 
| overlap | Text | 
| overlaps | |
| 1 (Function) | Vector.Mutable | 
| 2 (Function) | Vector.Generic.Mutable |