Index - O
| ofWeight | Test.Speculate |
| okEq | Test.Speculate |
| okEqOrd | Test.Speculate |
| okOrd | Test.Speculate |
| okThy | Test.Speculate.Reason |
| onlyTypes | Test.Speculate.Args, Test.Speculate |
| OpenPunctuation | Test.Speculate.Utils |
| Ord | Test.Speculate.Utils |
| ord | |
| 1 (Function) | Test.Speculate.Utils |
| 2 (Function) | Test.Speculate.Expr.Instance, Test.Speculate.Expr, Test.Speculate.Engine, Test.Speculate |
| ordered | Test.Speculate.Utils |
| orderedBy | Test.Speculate.Utils |
| orderedOn | Test.Speculate.Utils |
| Ordering | Test.Speculate.Utils |
| ordErrors | Test.Speculate.Sanity |
| ordIntersect | Test.Speculate.Utils |
| ordIntersectBy | Test.Speculate.Utils |
| ordWith | Test.Speculate.Expr.Instance, Test.Speculate.Expr, Test.Speculate.Engine, Test.Speculate |
| orient | Test.Speculate.Reason |
| OtherLetter | Test.Speculate.Utils |
| OtherNumber | Test.Speculate.Utils |
| OtherPunctuation | Test.Speculate.Utils |
| OtherSymbol | Test.Speculate.Utils |
| outernmostPrec | Test.Speculate.Utils |