Index - O
| OccName | Jikka.Common.Name | 
| OpenBrace | Jikka.Python.Parse.Token | 
| OpenBracket | |
| 1 (Data Constructor) | Jikka.Core.Parse.Token | 
| 2 (Data Constructor) | Jikka.Python.Parse.Token | 
| OpenParen | |
| 1 (Data Constructor) | Jikka.Core.Parse.Token | 
| 2 (Data Constructor) | Jikka.Python.Parse.Token | 
| Operator | |
| 1 (Data Constructor) | Jikka.Core.Parse.Token | 
| 2 (Type/Class) | Jikka.Core.Parse.Token | 
| 3 (Type/Class) | Jikka.Python.Language.Expr, Jikka.RestrictedPython.Language.Expr | 
| Options | |
| 1 (Type/Class) | Jikka.Main | 
| 2 (Data Constructor) | Jikka.Main | 
| options | Jikka.Main | 
| Or | |
| 1 (Data Constructor) | Jikka.CPlusPlus.Language.Expr | 
| 2 (Data Constructor) | Jikka.Core.Language.Expr, Jikka.Core.Language.QuasiRules | 
| 3 (Data Constructor) | Jikka.Core.Parse.Token | 
| 4 (Data Constructor) | Jikka.Python.Language.Expr, Jikka.RestrictedPython.Language.Expr | 
| Or' | Jikka.Core.Language.BuiltinPatterns | 
| OrOp | Jikka.Python.Parse.Token | 
| outputTree | Jikka.Common.IOFormat | 
| outputVariables | Jikka.Common.IOFormat |