Index - F
| factor | Argo.Json.Number |
| Failure | Argo.Result, Argo |
| false | Argo.Literal |
| findAt | Argo.Json.String |
| Flag | Argo.Main |
| FlagHelp | Argo.Main |
| FlagSpaces | Argo.Main |
| FlagTab | Argo.Main |
| FlagVersion | Argo.Main |
| Forbid | Argo.Codec |
| formFeed | Argo.Literal |
| fromArrayCodec | Argo.Codec |
| fromBool | Argo.Json.Boolean |
| fromDigits | Argo.Json.Number |
| fromHexadecimalDigit | Argo.Json.String |
| fromList | |
| 1 (Function) | Argo.Json.Object |
| 2 (Function) | Argo.Json.Array |
| 3 (Function) | Argo.Pointer.Pointer |
| fromListCodec | Argo.Codec |
| fromLongEscape | Argo.Json.String |
| fromObjectCodec | Argo.Codec |
| fromRational | Argo.Json.Number |
| fromString | Argo.Json.Name |
| fromText | |
| 1 (Function) | Argo.Pointer.Token |
| 2 (Function) | Argo.Json.String |
| fromUnit | Argo.Json.Null |
| FromValue | Argo.Class.FromValue, Argo |
| fromValue | Argo.Class.FromValue, Argo |
| fullStop | Argo.Literal |